M
edit- Ma - Yu Chuan Ma
- M.A.Alonso - María Ángeles Alonso Vargas
- Maas - Paulus Johannes Maria Maas
- M.A.Baker - Marc A. Baker
- Mabb. - David John Mabberley
- Mabille - Paul Mabille Jules Paul Mabille
- M.A.Blanco - Mario A. Blanco
- M.A.Buchheim - Mark A. Buchheim
- Macf. - John Muirhead Macfarlane
- Macfad. - James Macfadyen
- Macfarl. - John Muirhead Macfarlane
- Mack. - Kenneth Kent Mackenzie
- MacKee - Hugh Shaw MacKee
- Mackinder - Barbara Ann Mackinder
- Macklin - E.D. Macklin
- Macklot - Heinrich Christian Macklot
- M.A.Clem. - Mark Alwin Clements
- Macloskie - George Macloskie
- Maclure - William Maclure
- MacMill. - Conway MacMillan
- Maconochie - John Richard Maconochie
- Macoun - John Macoun
- MacOwan - Peter MacOwan
- Macrae - Ruth Macrae
- MacRaild - G.N. MacRaild
- Macreight - Daniel Chambers Macreight
- MacRoberts - D.T. MacRoberts
- M.A.Curtis - Moses Ashley Curtis
- M.A.Díaz - Marta Aleida Díaz Dumas
- Madre - V.E. Madre
- Madr.-Gar. - Marcela Madrazo-Garibay
- Madrigal - Xavier Madrigal-Sánchez
- Madriñán - Santiago Madriñán
- Madsen - Jens E. Madsen
- Maek. - Tokijiro Maekawa
- M.A.F.Barbosa - M.A.de Freitas Barbosa
- M.A.Fisch. - Manfred A. Fischer
- Magalh. - Carlos Thomaz Magalhães Gomes
- M.A.García - Miguel A. García
- Magda Silva - Magda Silva
- Maggs - Christine A. Maggs
- Magnol - Pierre Magnol
- Magnus - Paul Wilhelm Magnus
- Magombo - Zacharia L.K. Magombo
- Mágocsy - Sándor Alexander Mágocsy-Dietz
- M.Gordon - M. Gordon
- Maguire - Bassett Maguire
- Mahab. - Tryambak Shankur Mahabale
- Mahad. - T.M. Mahadevan
- Mahdih. - S. Mahdihassan
- Maheshw. - Jai Kisahn Maheshwari
- Maheu - Jacques Marie Albert Maheu
- Mahler - William F. Mahler
- Mahoney - Daniel Parnell Mahoney
- Mahood - Albert D. Mahood
- Mahu - Manuel Mahu
- Mahyar - Uway Warsita Mahyar
- Maidana - Nora I. Maidana
- Maiden - Joseph Henry Maiden
- Maill. - Arthur Maillefer
- Maingay - Alexander Carroll Maingay
- Mains - Edwin Butterworth Mains
- Maire - René Charles Maire
- M.A.J.Barbosa - Maria A.de J. Barbosa
- Majeed Kak - A. Majeed Kak
- Makino - Tomitaro Makino
- Malab. - Emanuel Joseph Malabaila von Canal
- Malac. - Claro Giuseppe Malacarne
- Malag. - Ramón Peñafort Malagarriga
- Malaisse - Francois Malaisse
- M.A.Lane - Meredith A. Lane
- Malc. - Jean F. Malcolmson
- Malchevsk. - N.N. Malchevskaya
- Malcolm - William McLagan Malcolm
- Malcomber - Simon T. Malcomber
- Malençon - Georges Jean Louis Malençon
- M.A.Lewis - Marko Alexander Lewis
- Malherbe - Alfred Malherbe
- Malhotra - C.L. Malhotra
- Malinv. - Louis Jules Ernest Malinvaud
- M.Allemão - Manoel Allemão
- Mallet - James Mallet
- Mallinson - David James Mallinson
- Malme - Gustaf Oskar Andersson Malme
- Malo - B. Malo
- Maloch - Frantisek Maloch
- Malos - Constantin Malos
- Malzev - Al.Ivanovich Malzev
- Mamaev - Stanislav A. Mamaev
- Mamay - Sergius Henry Mamay
- Mambet. - Sonun Mambetalieva
- Mamede - Maria Candida Henrique Mamede
- Mameli - Giuliana Eva Mameli Calvino
- Mamet - Bernard L. Mamet
- Mamkaeva - Kira Alekseevna Mamkaeva
- Mamuk. - T.S. Mamukaschvili
- Mandon - Gilbert Gustav Mandon
- Manetti - Xaverio Manetti
- Manganaro - Ana Manganaro
- Mangelsd. - Paul Christoph Mangelsdorf
- Manilal - K.S. Manilal
- Manju Banerjee - Manju Banerjee
- Manners - J.G. Manners
- Mannina - F.M. Mannina
- Manning - Jacob Warren Manning
- Manni Silva - Silvanna Manni B. Silva
- Mannoni - Jacques Dominique Octave Mannoni
- Manns - Thomas Franklin Manns
- Mansf. - Rudolf Mansfeld
- Mansur - Leví M. Mansur
- Mantell - Gideon Algernon Mantell
- Mantin - Georges Antoine Mantin
- Manton - Irene Manton
- Mapletoft - Heather Mapletoft
- Mappus - Marcus Mappus
- M.A.Purdom - M.A. Purdom
- Marais - Wessel Marais
- Maranta - Bartolomeo Maranta
- Marc - François Marc
- Marçais - Edouard Marçais
- Marcano - C. Marcano
- Marc.-Berti - Luis Marcano-Berti
- Marchal - Élie Marchal
- Marcgr. - Georg Marcgrave
- Marchal - Élie Marchal
- Marchand - Nestor Léon Marchand
- Marchant - William James Marchant
- Marches. - Carlo Marchesetti Carl von Marchesetti Carlo de Marchesetti Marchesetti
- Marchesi - Eduardo Marchesi
- Marchi - Palmer Marchi
- Marchion. - Juan Bautista Marchionatto
- Marchiori - José Newton Cardoso Marchiori
- Marchis. - John Marchisotto
- Marcks - Brian Marcks
- Marcy - Randolph Barnes Marcy
- Maréchal - Robert Joseph Jean-Marie Maréchal
- Marg. - Hanna B. Margonska
- Margalef - Ramón Margalef
- Marg.-Hern. - Romerto M. Margain-Hernández
- Margittai - Antal Margittai
- Margot - Henri Margot
- Marg.Silva - Margarita Silva
- Marguery - Felix Marguery
- Margulis - Lynn Margulis
- Mariani - Gindetta Mariani
- Maries - Charles Maries
- Marignoni - Giuseppi Br. Marignoni
- Marimp. - Luigi Marimpietri
- Marink. - C.J. Marinkella
- Marion - Antoine-Fortuné Marion
- Mariotti - Mauro Giorgio Mariotti
- Marissal - Felix Victor Marissal
- Mariti - Giovanne Mariti
- Mark A.Spencer - Mark A. Spencer
- Markgr. - Friedrich Markgraf
- Markgr.-Dann. - Ingeborg Markgraf-Dannenberg
- Markham - Clements Robert Markham
- Markl. - George Gunnar Marklund
- Mark.-Let. - Marie Federovna Markova-Letova
- Marloth - Hermann Wilhelm Rudolf Marloth
- Mar.Mey. - Marianne Meyer
- Marmey - Françoise Marmey
- Marnac - Émile Marnac
- Marneffe - H. Marneffe
- Marn.-Lap. - Julien Marnier-Lapostolle
- Marnock - Robert Marnock
- Marquand - Ernest David Marquand
- Marquart - Clamor Ludwig Marquart
- Marques - Maria do Carmo Mendes Marques
- Marquete - Nilda Marquete Ferreira da Silva
- Marquis - Alexandre Louis Marquis
- Marrat - Frederick Price Marrat
- Marrero Rodr. - Águedo Marrero Rodriguez
- Marriott - Neil Marriott
- Marroq. - Jorge S. Marroquín
- Marsden - William Marsden
- Marsden-Jones - Eric Marsden-Jones
- Marsh - Charles Dwight Marsh
- Marshall - Humphrey Marshall
- Marsili - Giovanni M. Marsili
- Mart. - Carl Friedrich Philipp von Martius
- Mart.Crov. - Raúl Martínez Crovetto
- Martel - Eduardo Martel
- Martelli - Ugolino Martelli
- Martensen - Hans Oluf Martensen
- Mart.Gord. - Martha Martínez Gordillo
- Martic. - Clodomiro Fidel Segundo Marticorena
- Martín Bol. - Manuel Martín Bolaños
- Martinet - Jean Baptiste Martinet
- Martinetto - Edoardo Martinetto
- Martínez - Maximino Martínez
- Martinov - Ivan Ivanovich Martynov
- Martinovský - Jan Otakar Martinovský
- Mart.-Laborde - Juan Bautista Martínez-Laborde
- Mart.Mart. - M. Martínez Martínez
- Mart.Parras - José María Martinez Parras
- Martrin-Donos - Julien Victor de Martrin-Donos
- Martyn - Thomas M. Martyn
- Marum - Martin van Marum
- Masalles - R.M. Masalles
- Masam. - Genkei Masamune
- M.A.Santos - Maria Amelia dos Santos
- Masclans - Francesc Masclans Francesc Masclans i Girvès
- Masf. - Ramón Masferrer y Arquimbau
- Maslin - Bruce Maslin
- Masner - Josef Masner
- M.A.Spencer - Michael A. Spencer
- Massart - Jean Massart
- Masson - Francis Masson
- |Mast. - Maxwell Tylden Masters
- Mateu - Isabel Mateu
- Máthé - Imre Máthé
- Mathias - Mildred Esther Mathias
- Mathieu - Charles Marie Joseph Mathieu
- Mathis - C. Mathis
- Maton - William George Maton
- Matr. - Alphonse Louis Paul Matruchot
- Matsum. - Jinzô Matsumura
- Matt. - Heinrich von Mattuschka
- Mattei - Giovanni Ettore Mattei
- Matteri - Celina María Matteri
- Mattf. - Johannes Mattfeld
- Matthew - George Frederick Matthew
- Mattick - Wilhelm Fritz Mattick
- Mattioli - Pietro Andrea Gregorio Mattioli
- Mattir. - Oreste Mattirolo
- Mattos - Joáo Rodrigues de Mattos
- Mattox - Karl R. Mattox
- Matuda - Eizi Matuda
- M.A.Wilson - Margaret Anne Wilson
- Max Koch - Max Koch
- Maxim. - Carl Maximowicz
- Maxon - William Ralph Maxon
- Maxwell - T.C.Maxwell
- Mayr - Heinrich Mayr
- M.Backlund - Maria Backlund
- M.B.Aguirre - Maria Begoña Aguirre
- M.B.Allen - Mary Belle Allen
- M.Banerjee - M. Banerjee
- M.Bang - Miguel Bang
- M.Barker - M. Barker
- M.Bastos - Maria de Nazaré do Carmo Bastos
- M.B.Bayer - Martin Bruce Bayer
- M.B.Ellis - Martin Beazor Ellis
- M.Bernal - Mercè Bernal
- M.B.Ferreira - M.B. Ferreira
- M.B.Foster - Mulford Bateman Foster
- M.Bieb. - Friedrich August Marschall von Bieberstein
- M.Blanco - Manuel Blanco Manuel Blanco (botanist) !Blanco dab!
- M.Brandt - Max Brandt
- M.B.Scott - Munro Briggs Scott
- M.B.Thomas - Mason Blanchard Thomas
- M.B.Walters - Maurice B. Walters
- M.B.Williams - Mary B. Williams
- M.B.Wyse Jacks. - Michael B. Wyse Jackson
- M.Cabrera - Margarita Cabrera
- McAdam - S.V. McAdam
- McAll. - Hugh A. McAllister
- M.C.Biswas - M.C. Biswas
- M.C.Bowers - Maynard C. Bowers
- McClell. - John McClelland
- McClint. - James Albertine McClintock
- McClure - Floyd Alonzo McClure
- McCoy - Frederick McCoy
- McDaniel - Sidney T. McDaniel
- McDearman - W. McDearman
- M.C.Fisher - Matthew C. Fisher
- McGill. - Donald McGillivray
- McGregor - Ronald Leighton McGregor
- M.Cheng - Mien Cheng
- McIlv. - Charles McIlvaine
- M.C.Johnst. - Marshall Corning Johnston
- M.C.Karst. - Maria Caroline Karsten
- McKinney - Harold Hall McKinney
- McLaughlin - Robert Penfield McLaughlin
- M.C.Martínez - María Cristina Martínez
- M.C.Molina - María del Carmen Molina
- McPherson - Gordon D. McPherson
- McVaugh - Rogers McVaugh
- M.C.Watson - M.Carolyn Watson
- M.C.Williams - Marvin C. Williams
- M.C.Wilson - Marcia C. Wilson
- M.D.Barrett - Matthew David Barrett
- M.D.Bertoni - M.D. Bertoni
- M.D.García - Maria Dolores García
- M.D.Hend. - Mayda Doris Henderson
- M.Dogan - Musa Dogan
- M.Domínguez - Miguel Domínguez (botanist)
- M.D.Turner - Melvin D. Turner
- M.D.Xu - Ming De Xu
- M.E.A.Costa - Maria Eugénia Amorim Pereira da Costa
- M.E.Berg - Maria Elizabeth van den Berg
- M.E.Br. - Margaret E. Brown
- Medan - Diego Medan
- Medel - Rosario Medel
- Medik. - Friedrich Kasimir Medikus
- Medw. - Jakob Sergejevitch Medwedew
- Medwell - Lorna M. Medwell
- Meerb. - Nicolaas Meerburgh
- Meerow - Alan W. Meerow
- M.E.García - M.E. García Gonzalez
- M.E.Gilbert - M.E. Gilbert
- M.E.Jansen - M.E. Jansen
- M.E.Jones - Marcus Eugene Jones
- Meigen - Johann Wilhelm Meigen
- Meijden - Ruud van Meijden
- Meijer - Willem Meijer
- Meijer Drees - E. Meijer Drees
- Meikle - Robert Desmond Meikle
- Meisn. - Carl Daniel Friedrich Meissner
- M.E.Lawr. - Margaret Elizabeth Lawrence
- Melch. - Hans Melchior
- M.E.Leal - M.E. Leal
- Me.Lemoine - Marie Lemoine
- M.E.Lewis - Margaret Ensign Lewis
- Melikyan - A. P. Melikyan
- M.Ellis - M. Ellis
- Melvill - James Cosmo Melvill
- Melville - Ronald Melville
- Melvin - Lionel Melvin
- Membrives - Núria Membrives Fernández
- Memm. - Edward Read Memminger
- Mena - Antonio Jesús Mena
- Menabde - Vladimir Levanovich Menabde
- Menadue - Yvonne Menadue
- Menandro - Marcos de Souza Menandro
- Menapace - F.J. Menapace
- Mencher - E. Mencher
- Mend. - Demetrio R. Mendoza
- Mendel - Gregor Mendel
- Mendenh. - John M. Mendenhall
- Mendes - Eduardo Jose Santos Moreira Mendes
- Méndez - Eduardo Méndez
- Mend.-Garc. - Mario Mendoza-García
- Mendonça - Francisco de Ascensão Mendonça
- Menegh. - Giuseppe Giovanni Antonio Meneghini
- Meneses - Oscar J. Azancot de Meneses
- M.E.Newton - Martha Elizabeth Newton
- Menezes - Carlos Azevedo de Menezes
- Menge - Anton Menge Franz Anton Menge
- Menitsky - Ju. L. Menitsky
- Menzies - Archibald Menzies
- Mérat - François Victor Mérat de Vaumartoise
- Mercado - Ángel Mercado
- Merc.S.Foster - Mercedes S. Foster
- Meredith - Louisa Anne Meredith
- Meregalli - Massimo Meregalli
- Mereles - Fátima Mereles
- Mereschk. - Konstantin Merezhkovsky
- Merezhko - Tatjana A.O. Merezhko
- Merino - Baltasar Merino
- Merr. - Elmer Drew Merrill
- Merrem - Blasius Merrem
- Merriam - Clinton Hart Merriam
- Mert. - Franz Karl Mertens
- M. et K. M. & K. - Franz Karl Mertens & Wilhelm Daniel Joseph Koch
- Mesnil - Félix Mesnil
- Messiaen - C.M. Messiaen
- Metlesics - Hans Metlesics
- Mett. - Georg Heinrich Mettenius
- Metz - Mary Clare Metz
- Metzg. - Johann Metzger
- Metzing - Detlev Metzing
- Metz.-Krop. - A. Metzelova-Kropácova
- Metzler - Jakob Adolf Metzler
- Metzven - John Metzven
- Meusel - Hermann Meusel
- Meve - Ulrich Meve
- Meyen - Franz Meyen
- Mez - Carl Christian Mez
- M.F.Allen - Michael F. Allen
- M.F.Barrett - Mary Franklin Barrett
- M.F.Fay - Michael Francis Fay
- M.Fernández - Mayra Fernández
- M.F.F.Silva - M.F.F. Silva
- M.Fisch. - Michael Fischer
- M.Fleisch. - Max Fleischer (painter)
- M.Fleming - Mary Fleming
- M.F.Newman - Mark Fleming Newman
- M.Fox - Margaret Fox
- M.F.Ray - Martin Forbes Ray
- M.F.Silva - Marlene Freitas da Silva
- M.-F.Simon - Marie-France Simon
- M.F.S.Muniz - Maria de F.S. Muniz
- M.F.Thomps. - Mary Fraser Thompson
- M.Fuente - Murray de la Fuente
- M.F.Watson - Mark F. Watson
- M.G.Almeida - M.G. Almeida
- M.Gangop. - Mohan Gangopadhyay
- M.G.Brooks - Maurice Graham Brooks
- M.G.Dudley - Margaret Gertrude Dudley
- M.G.Gilbert - Michael George Gilbert
- M.G.Henry - M.G. Henry
- M.G.López - M.Gabriela López
- M.Gomes - Mario Gomes
- M.Gómez - Manuel Gómez de la Maza y Jiménez
- M.Gordon - M. Gordon
- M.G.Stewart - Margaret Gaylord Stewart
- M.G.Walker - Mary Grant Walker
- M.Harv. - Margaret Harvey
- M.H.Cheng - Ming Hao Cheng
- M.Henry - Max Henry
- M.Hesse - Michael Hesse
- M.H.Hoffm. - Matthias H. Hoffmann
- M.Hiroe - Minosuke Hiroe
- M.Hirth - Monika Hirth
- M.H.Law - Moi Hwa Law
- M.H.Lee - Moon Ho Lee
- M.Hossain - Mosharraf Hossain
- M.Hotta - Mitsuru Hotta
- M.H.Zimm. - Martin Huldrych Zimmermann
- Miadlikowska - Jolanta Maria Miadlikowska
- M.I.Alex. - Maria Ignatievna Alexeenko Maria Ignatievna Alexejenko
- Miall - Louis Compton Miall
- Micales - Jessica A. Micales
- Miceli - P. Miceli
- Micevski - Kiril Micevsky
- Michael - Edmund Michael
- Michaelides - J. Michaelides
- Michajlova - M.A. Michajlova
- Michajlow - Wlodzimierz Michajlow
- Michalet - Louis Eugène Michalet
- Michaleva - V.M. Michaleva
- Michard - André Michard
- Michel - Étienne Michel
- Michx. - André Michaux
- Mick. - M. Mickovski
- Mickel - John Thomas Mickel
- M.I.Dawson - Murray Ian Dawson
- Middend. - Alexander Theodorowitsch Middendorff
- Miégev. - Joseph Miégeville
- Miers - John Miers
- Mig. - Walter Migula
- Mik - Josef Mik
- Mike L.Grant - Michael Livingstone Grant
- Mildbr. - Gottfried Wilhelm Johannes Mildbraed
- Milde - Carl August Julius Milde
- Mill. - Philip Miller
- Millais - John Guille Millais
- Millán - Aníbal Roberto Millán
- Millar - C.S. Millar
- Millard - Wilfrid Arthur Millard
- Millardet - Pierre Marie Alexis Millardet
- Millepied - P. Millepied
- Miller - Gerrit Smith Miller
- Millsp. - Charles Frederick Millspaugh
- Milne-Edw. - Alphonse Milne-Edwards
- Milne-Redh. - Edgar Wolston Bertram Handsley Milne-Redhead
- M.I.Morales - María I. Morales
- M.I.Morris - Michael I. Morris
- Miniaev - Nikolai Aleksandrovich Miniaev
- Miq. - Friedrich Anton Wilhelm Miquel
- Miranda - Faustino Miranda
- Mirb. - Charles François Brisseau de Mirbel
- Miscz. - Pavel Ivanovich Misczenko
- Mitch. - John Mitchell (geographer)
- Mitford - Algernon Bertram Freeman Mitford
- Mit.Itô - Mituo Itô
- Mitt. - William Mitten
- Mitter - Julian Herron Mitter
- Mitterp. - Ludwig Mitterpacher von Mitterburg
- Mittler - Ludwig Mittler
- Miwa - H. Miwa
- Miyabe - Kingo Miyabe
- M.J.Benson - Margaret J. Benson
- M.J.Costa - Manuel Jacinto Costa
- M.Jenny - Matthias Jenny
- M.J.Fisher - M.J. Fisher
- M.J.H.Paine - M.J.H. Paine
- M.J.Huber - M.J. Huber
- M.J.Larsen - Michael J. Larsen
- M.J.Lee - Marilyn Jeanette Lee
- M.J.Martínez - María J. Martínez
- M.J.Morris - M.J. Morris
- M.J.Richardson - Michael John Richardson
- M.J.Sand. - Michael J. Sanderson
- M.J.Warnock - Michael J. Warnock
- M.J.Y.Foley - Michael James Yates Foley
- Miel. - Mathias Mielichhofer
- M.Kellerm. - Maude Kellerman
- M.Kessler - Michael Kessler
- M.K.Henry - Mary K. Henry
- M.K.M.Wong - Michelle Kit Man Wong
- M.Knowles - Matilda Cullen Knowles
- M.Koch - Marcus Koch
- M.Koehler - Max Koehler
- M.K.Pak - Man Kyu Pak
- M.Krause - Max Krause
- M.Kuhlm. - Moysés Kuhlmann
- M.Laínz - Manuel Laínz
- M.L.Baker - Margaret L. Baker
- M.L.Br. - Melvin L. Brown
- M.L.Castro - María Luisa Castro
- M.L.Dawson - Marion Lucile Dawson
- M.L.Durán - Mónica L. Durán
- M.Lepší - Martin Lepší
- M.L.Fernández - Manuel Ledo Fernández
- M.L.Gullino - M. Lodovica Gullino
- M.L.Grant - Martin Lawrence Grant
- M.L.Green - Mary Letitia Green
- M.L.Mend. - María Laura Mendoza
- M.L.Moody - Michael L. Moody
- M.L.Rossi - M.L. Rossi
- M.L.Williams - Mark L. Williams
- M.Marchi - Marene M. Marchi
- M.Martens - Martin Martens
- M.Martínez - Mahinda Martínez
- M.M.Mejía - Milciades Manuel Mejía
- M.Mend. - Moises Mendoza
- M.Méndez - Miguel Méndez (botanist)
- M.Menezes - Maria Menezes
- M.Mey. - M. Meyer
- M.M.Hartog - Marcus Manuel Hartog
- M.Michel - Mathieu Joseph Michel
- M.M.Mora - Martha Marcela Mora
- M.Monod - Michel Monod
- M.Montgom. - Margaret Montgomery
- M.Moore - M. Moore
- M.Morris - Muriel Morris
- M.Moss - Margaret Moss
- M.Mori - Michiyasu Mori
- M.M.Poole - Madeleine Margaret Poole
- M.M.Rao - M.M. Rao
- M.M.Silva - Milene Maria da Silva
- M.M.White - Merlin M. White
- M.N.Blanco - Maria N. Blanco
- M.N.Correa - Maevia Noemi Correa
- M.Nee - Michael Nee
- Mobayen - Sadegh Mobayen
- Mobb. - David George Mobberley
- Moberg - J.Roland Moberg
- Mobin - Mitra Mobin
- Mobley - R.L. Mobley
- Moc. - José Mariano Mociño
- Mochiz. - Hideyasu Mochizuka
- Mochizuki - Rikuo Mochizuki
- Mocz. - Malgorzata Moczydlowska
- Modak - C.D. Modak
- M.O.Dillon - Michael O. Dillon
- Moench - Konrad Moench
- Moestrup - Øjvind Moestrup
- Moffatt - Will Sayer Moffatt
- Moffett - Rodney Oliver Moffett
- Moffler - M.D. Moffler
- Mohl - Hugo von Mohl
- Mohlenbr. - Robert H Mohlenbrock
- Möhring - Paul Möhring
- Moir - William Whitmore Goodale Moir
- Moldenke - Harold Norman Moldenke
- Molina - Juan Ignacio Molina
- Molisch - Hans Molisch
- Molloy - Brian Peter John Molloy
- Molyneux - William Mitchell Molyneux
- M.O.Moore - Michael O'Connor Moore
- Monach. - Joseph Vincent Monachino
- Monnard - Jean Pierre Monnard
- Monod - Théodore Monod
- Montgom. - Frederick Howard Montgomery
- Montrouz. - Xavier Montrouzier
- Monv. - M.Chevalier de Monville
- Mood - John Donald Mood
- Moody - Sophy Moody
- Moore - David Moore (botanist)
- Moq. - Christian Horace Bénédict Alfred Moquin-Tandon
- Mora - Alberto M. Brenes Mora
- Moraes - Mónica Moraes
- Morales - Sebastián Alfredo de Morales
- Moran - Reid Venable Moran
- Mora-Ret. - Dora Emilia Mora-Retana
- Morden - Clifford W. Morden
- More - Alexander Goodman More
- Morel - Francisque Morel
- Morelet - Pierre Marie Arthur Morelet
- Moreno - Margarita Moreno Sanz
- Moretti - Giuseppe Moretti
- Morgan - Andrew Price Morgan
- Mori - Antonio Mori
- Moric. - Moïse Étienne Moricand
- Morici - Carlo Morici
- Morillo - Gilberto N. Morillo
- Moris - Giuseppe Giacinto Moris
- Morison - Robert Morison
- Moritz - Johann Wilhelm Karl Moritz
- Moritzi - Alexandre Moritzi
- Morong - Thomas Morong
- Morren - Auguste Morren
- Morris - John Morris (geologist)
- Morrone - Osvaldo Morrone
- Moscoso - Rafael M. Moscoso
- Moss - Charles Edward Moss
- Mossa - Luigi Mossa
- Mossebo - Dominique Claude Mossebo
- Mosseray - Raoul Mosseray
- Mössler - Johann Christoph Mössler
- Mosti - Stefano Mosti
- Mot.Ito - Motomi Ito
- Mottet - Seraphin Joseph Mottet
- Mouill. - Pierre Mouillefert
- M.Pardo - Manuel Pardo de Santayana
- M.P.Berg - Marion P. Berg
- M.P.Christ. - Mads Peter Christiansen
- M.P.de Vos - Miriam Phoebe de Vos
- M.Peck - Morton Eaton Peck
- M.Peixoto - Mauro Peixoto
- M.Pena - Marc Pena
- M.P.English - Mary P. English
- M.Peron - Marcos Valério Peron
- M.P.Grasso - Maria Pia Grasso
- M.P.Herrera - M.Pavlich Herrera
- M.Pignal - Marc M. Pignal
- M.Proctor - Michael Charles Faraday Proctor
- M.R.Almeida - Marselin Rusario Almeida
- M.Rao - Mallikarjuna Rao
- M.Raynaud - Maurice Raynaud
- M.R.Davis - M.R. Davis
- M.R.Hend. - Murray Ross Henderson
- Mrkvicka - Alexander C. Mrkvicka
- M.R.Martinez - Milagrosa R. Martinez
- M.R.M.Gomes - M.R.M. Gomes
- M.Roberg - Max Roberg
- M.Roem. - Max Joseph Roemer
- M.Rose - Maurice Rose
- M.Rousseau - Marietta Hannon Rousseau
- M.R.Rao - M.R. Rao
- M.R.V.Barbosa - Maria Regina de Vasconcelles Barbosa
- M.S.Baker - Milo Samuel Baker
- M.S.Br. - Margaret Sibella Brown
- M.Schmidt - Karl Max Schmidt
- M.S.Christ. - Mogens Skytte Christiansen
- M.Schub. - Michael Schubert
- M.Schulz - Margot Schulz
- M.Schulze - Carl Theodor Maximilian Schulze
- M.S.Evans - Maurice Smethurst Evans
- M.S.Foster - Michael S. Foster
- M.Simmonds - Monique S.J. Simmonds
- M.Singer - Max Singer
- M.S.Kang - Mu Sheng Kang
- M.S.Kerr - Malin S. Kerr
- M.Sørensen - Marten Sørensen
- M.Sousa - Mario Sousa
- M.Stehlé - Madeleine Stehlé
- M.S.Young - Mary Sophie Young
- M.Takeuchi - Masayuki Takeuchi
- M.T.Almeida - Maria Teresa de Almeida
- M.T.Alonso - María Teresa Alonso
- M.Taylor - Mary Ruth Fussel Jackson Taylor
- M.T.Hall - Marion Trufant Hall
- M.T.Lucas - Maria Teresa Lucas
- M.Tomas. - Marcello Tomaselli
- M.T.R.Schub. - Mahalia T.R. Schubert
- M.T.Santos - Maria Teresa Santos
- Mua - Alberto Mua
- Muasya - A. Muthama Muasya
- Mudie - Robert Mudie
- Muehlenpf. - F. Muehlenpfordt
- Muenscher - Walter Leopold Conrad Münscher
- Muhl. - Henry Ernest Muhlenberg
- Múlgura - María E. Múlgura
- Müll.Arg. - Johannes Müller Argoviensis
- Müll.Berol. - Karl Müller
- Müll.Hal. - Johann Karl August Friedrich Wilhelm Müller
- Müll.Stuttg. - Carl Müller
- Müll.-Thurg. - Herman Müller Thurgau
- Munas. - H.L. Munasinghe
- Munby - Giles Munby
- Münchh. - Otto von Münchhausen
- Muniz - Julio Muniz
- Muñoz - Carlos Muñoz Pizarro
- Muñoz Garm. - José Félix Muñoz Garmendia
- Muñoz-Schick - Mélica Muñoz-Schick
- Munro - William Munro
- Münster - Georg zu Münster
- Munz - Philip Alexander Munz
- Mur - Luuc R. Mur
- Muradyan - L.G. Muradyan
- Murak. - H. Murakami
- Muralt - Johann von Muralt
- M.U.Rao - M.Umamaheswara Rao
- Murashk. - K.E. Murashkinsky
- Murb. - Svante Samuel Murbeck
- Murillo - Adolfo Murillo
- Murr - Josef Murr
- Murr. or Murray - Johann Andreas Murray
- Murrill - William Alphonso Murrill
- Muschl. - Reinhold Conrad Muschler
- Muss.Puschk. - Apollo Mussin-Pushkin
- Mutel - Pierre Auguste Victor Mutel
- Mutis - José Celestino Mutis
- M.Venter - Marieka Venter
- M.Verlaque - Marc Verlaque
- M.V.Ferreira - Margot Valle Ferreira
- M.V.Hayden - M.Victoria Hayden
- M.Vidal - M. Vidal
- M.Villarreal - Manuel Villarreal
- M.Vilm. - Auguste Louis Maurice Lévêque de Vilmorin
- M.Wagner - Moritz Friedrich Wagner
- M.W.Chase - Mark Wayne Chase
- M.Weber - Mihály Weber
- M.Weiss - Michael Weiss
- M.W.Hawkes - Michael W. Hawkes
- M.White - Marcus White
- M.Williams - Margot Williams
- M.Wilson - Malcolm Wilson
- M.Winkl. - Moritz Winkler
- M.W.Lee - Min Woong Lee
- M.W.Morris - Michael Wayne Morris
- M.Wolf - Matthias Wolf
- M.Wong - M. Wong
- M.W.Taylor - M.W. Taylor
- M.W.Turner - Matt W. Turner
- M.W.Ward - M.W. Ward
- M.Y.Cheng - Ming Yuan Cheng
- M.Y.Cortés - Mara Y. Cortés
- Myllys - Leena Myllys
- M.Young - Maurice Young
N
edit- Nabel - Kurt Nabel
- Nábelek - Frantisek Nábelek
- Nabiev - M.M. Nabiev
- N.A.Br. - Nellie Adalesa Brown
- N.A.Brummitt - Neil Alistair Brummitt
- Naccari - Fortunato Luigi Naccari
- Nachm. - Shoshana Nachmony
- Nacht. - Gustav Hermann Nachtigal
- Nackej. - Cunio Nackejima
- Naczi - Robert Francis Cox Naczi
- Nadak. - Mathew J. Nadakavukaren
- Nadeaud - Jean Nadeaud
- Nadji - Abd-Ur Bahman Nadji
- Nadruz - Marcus A. Nadruz
- Nadson - Georgii Adamovich Nadson
- Naef - Jacques Naef
- Nagel - Karl Nagel
- Nägeli - Karl Wilhelm von Nageli
- Nakai - Takenoshin Nakai
- Nakaike - Toshiyuki Nakaike
- Nann. - Arturo Nannizzi
- Nann.-Bremek. - Neeltje Elizabeth Nannenga-Bremekamp
- Nannf. - John Axel Frithiof Nannfeldt
- Napolit. - Joseph J. Napolitano
- Napper - Diana Margaret Napper
- Narain - Udit Narain
- Nardina - N.S. Nardina
- Narumi - Tomoko Narumi
- Nash - George Valentine Nash
- Nasir - Eugene Nasir
- Nast - Charlotte Georgia Nast
- Natarajan - K.V. Natarajan
- Natho - Günther Natho
- Naudin - Charles Victor Naudin
- Navás - Ferrer Longinos Navás
- N.A.Wakef. - Norman Arthur Wakefield
- N.Ayala - N. Ayala
- N.Bernard - Noël Bernard
- N.Busch - Nicolai Adolfowitsch Busch
- N.B.Ward - Nathaniel Bagshaw Ward
- N.C.Hend. - Norlan C. Henderson
- N.C.Jiménez - N.C. Jiménez
- N.C.Preston - Norman C. Preston
- N.C.W.Beadle - Noel Charles William Beadle
- N.D.Atwood - N.Duane Atwood
- N.E.Br. - Nicholas Edward Brown
- Neck. - Noël Martin Joseph de Necker
- Nedjalkov - S. Nedjalkov
- Neduchal - Jozka Neduchal
- Née - Luis Née
- Nees - Christian Gottfried Daniel Nees von Esenbeck
- Neff - John L. Neff
- Neger - Franz Wilhelm Neger
- Negodi - Giorgio Carlo Negodi
- Negr. - Sergei Fedorovich Negrutsky
- Nègre - Robert Nègre
- Negrean - Gavril A. Negrean
- Negri - Francesco Negri
- Negritto - María A. Negritto
- Negr.Bonv. - Marta Beatriz Negroni de Bonvehi
- Negroni - Pablo Negroni
- Negru - Alexander Negru
- Negrul - Alexander Mikhailovic Negrul
- Neidorf - Charles Neidorf
- Neil - Cornelius Bernardus Neil
- Neill - Patrick Neill
- Neilr. - August Neilreich
- Neilson - James A. Neilson
- Neinhuis - Christoph Jakob Neinhuis
- Neish - G.A. Neish
- Nendtv. - Carl Maximilian Nendtvich
- Nendvich - Tamas Nendvich
- Nene - K.M. Nene
- Nenukow - Fedor Stepanowitsch Nenukow
- Ness - Helge Ness
- N.E.Stevens - Neil Everett Stevens
- Nestl. - Chrétien Géofroy Nestler
- Néstor García - Néstor García (botanist)
- Neubert - Wilhelm Neubert
- Nevárez - Manuel Nevárez Manuel Nevárez de los Reyes
- Nevski - Sergei Arsenjevic Nevski
- Newb. - John Strong Newberry
- Newman Newm. - Edward Newman
- Newton - Isaac Newton (botanist)
- N.F.Hend. - Nellie Frater Henderson
- N.F.Lee - Nam Fook Lee
- N.F.Mattos - Nilza Fischer de Mattos
- N.Galland - Nicole Galland
- N.Garcia - Núria Garcia Jacas
- N.Gibson - Neil Gibson
- N.G.Marchant - Neville Graeme Marchant
- N.G.Walsh - Neville Grant Walsh
- N.Hallé - Nicolas Hallé
- N.H.F.Desp. - Narcisse Henri François Desportes
- N.Hoffm. - Norbert Hoffmann
- N.H.Holmgren - Noel Herman Holmgren
- N.H.Russell - Norman Hudson Russell
- N.H.White - N.H. White
- N.H.Williams - Norris H. Williams
- Nic.Garcia - Nicolás Garcia Berguecio
- Nicora - Elisa G. Nicora
- Nicotra - Leopoldo Nicotra
- Nichols - George Elwood Nichols
- Nicora - Elisa G. Nicora
- Niebuhr - Carsten Niebuhr
- Nied. - Franz Josef Niedenzu
- Niederl. - Gustavo Niederlein
- Nieto Fel. - Gonzalo Nieto Feliner
- Nieuwl. - Julius Aloysius Arthur Nieuwland
- Nik.Hoffm. - Nikolaus Hoffmann
- Niño - F. L. Niño
- N.I.Peña - Nora I. Peña
- Nipkow - Fritz Nipkow
- Nir - Mark A. Nir
- Nirenberg - Helgard I. Nirenberg
- Nixon - Kevin Clark Nixon
- Niyomdham - Chawalit Niyomdham
- N.Jacks. - N. Jackson
- N.Kang - Ning Kang
- N.Kilian - Norbert Kilian
- N.K.Rao - N.Krishna Rao
- N.L.Gibson - Nicole L. Gibson
- N.L.Mey. - Nicole L. Meyer
- N.M.Adams - Nancy M. Adams
- N.Maek. - Nitaro Maekawa
- N.Mey. - Norbert Meyer
- N.M.Greg. - N.M. Gregory
- N.M.Kusn. - N.M. Kusnezow
- N.Narain - Narsingh Narain
- Noack - Martin Noack
- Nobele - L.de Nobele
- Noble - Mary Noble
- Nobles - Mildred Katherine Nobles
- Noblick - Larry Ronald Noblick
- Nobre - Augusto Nobre
- Nobs - Malcolm A. Nobs
- Nob.Tanaka - Nobuyuki Tanaka
- Nocca - Domenico Nocca
- Noda - Mitsuzo Noda
- Noday - Olivier du Noday
- Nodder - Frederick Polydore Nodder
- Noddin - Ralph Noddin
- Noë - Friedrich Wilhelm Noë
- Noegg. - Johann Jacob Noeggerath
- Noehd. - Heinrich Adolph August Noehden
- Noel - Charles William Francis Noel
- Noeld. - Johann Ludwig Carl Noeldeke
- Noelli - Alberto Noelli
- Nog. - Akira Noguchi
- Nogell. - Dieter Nogellehner
- Nograsek - Andrea Nograsek
- Nogueira - Penido J.C. Nogueira
- Nois. - Louis Claude Noisette
- Noordel. - Machiel Evert Noordeloos
- Noot. - Hans Peter Nooteboom
- Nordm. - Alexander von Nordmann
- Noronha - Francisco Noronha
- Norrl. - Johan Petter Norrlin
- Northr. - Alice Belle Rich Northrop
- Norton - John Bitting Smith Norton
- Noter - Raphaël de Noter
- Nötzold - Nötzold
- Novara - Lázaro Juan Novara
- Novik - E.O. Novik
- N.P.Balakr. - Nambiyath Puthansurayil Balakrishnan
- N.P.Barker - Nigel P. Barker
- N.Pearce - Nicholas Pearce
- N.P.Ferreira - N.P. Ferreira
- N.Pons - Ninoska Pons
- N.P.Taylor - Nigel Paul Taylor
- N.Rama Rao - N. Rama Rao
- N.Ramírez - Nelson Ramírez
- N.R.Bastos - Nelci Rolim Bastos
- N.R.Hunt - Nicholas Rex Hunt
- N.R.Ivanov - Nikolai Rodionovich Ivanov
- N.Robson - Norman Keith Bonner Robson
- N.Rosén - Nils Rosén
- N.S.Lee - Nam Sook Lee
- N.Snow - N.Snow
- N.S.Weber - Nancy S. Weber
- N.Taylor - Norman Taylor
- N.T.Burb. - Nancy Tyson Burbidge
- Ntépé-Nyamè - C. Ntépé-Nyamè
- N.Terracc. - Nicola Terracciano
- N.T.Sauss. - Nicolas Théodore de Saussure
- Núñez - María Núñez
- Nutt. - Thomas Nuttall
- N.Walters - Neville E.M. Walters
- N.Wilson - Nathaniel Wilson
- N.W.Simmonds - Norman Willison Simmonds
- Nyár. - Erasmus Julius Nyárády
- Nyl. - Wilhelm Nylander
- Nyman - Carl Frederik Nyman
- N.Yonez. - Nobumichi Yonezawa
- N.Zamora - Nelson A. Zamora
- N.Zimm. - Norbert F.A. Zimmermann
O
edit- Oakeley - Henry Francis Oakeley
- Oakes - William Oakes
- Obando - Sandra Obando
- O.Barbosa - Octavio Barbosa
- O.B.Davies - Olive B. Davies
- Obel - Matthias de l'Obel
- Obenhaus - Renate Obenhaus
- Oberd. - Erich Oberdorfer
- O.Berg - Otto Karl Berg
- O.Bergman - O. Bergman
- Oberholl. - H. Oberhollenzer
- Oberm. - Anna Amelia Obermeyer
- O.Blanco - Oscar Blanco
- O.Bòlos - Oriol de Bolòs i Capdevila
- O.B.Williams - O.B. Williams
- Ocampo - Gilberto Ocampo
- Occhioni - Paul Occhioni
- O.C.Dahl - Ove Christian Dahl
- Ochoa - Carlos M. Ochoa
- Ochot. - Isaac Ochoterena
- Ochot.-Booth - Helga Ochoterena-Booth
- Ochse - Jacob Jonas Ochse
- Ochyra - Ryszard Ochyra
- O.C.Schmidt - Otto Christian Schmidt
- O.Dahl - Ove Christian Dahl
- Odash. - Kojirô Odashima
- O.Deg. - Otto Degener
- O.D.Evans - Obed David Evans
- O'Donell - Carlos Alberto O'Donell
- Oeder - George Christian Edler von Oldenburg Oeder
- O.E. & E.F.Warb. - Oscar Emanuel Warburg & Edmund Frederic Warburg
- O.E.Erikss. - Ove Erik Eriksson
- Oerst. - Anders Sandoe Oersted
- O.E.R.Zimm. - Oscar Emil Reinhold Zimmermann
- O.E.Schulz - Otto Eugen Schulz
- O.E.Sousa - Octavio E. Sousa
- O.Falck - Olga Falck
- O.F.Burger - Owen Francis Burger
- O.F.Cook - Orator F. Cook
- O.Fedtsch. - Olga Alexandrovna Fedtschenko
- O.F.Müll. - Otto Friedrich Müller
- Ogan. - Marina E. Oganesian
- Ogata - Masasuke Ogata
- O.G.Costa - O.G. Costa
- Ogden - Eugene Cecil Ogden
- Ogilvie - Barbara M.L. Ogilvie
- Ogisu - Mikinori Ogisu
- O.G.Martínez - Olga G. Martínez
- O.Gruss - Olaf Gruss
- Ogura - Yuzuru Ogura
- O.H.K.Lee - Olice H.K. Lee
- O.Hoffm. - Karl August Otto Hoffmann
- O.Huber - Otto Huber
- O.J.Blanch. - Orland J. Blanchard
- O.J.Rudbeck - Olaus Johannis Rudbeck
- Ohashi - Hiro Ohashi
- Ohtani - Shigeru Ohtani
- O.H.Volk - Otto Heinrich Volk
- Ohwi - Jisaburo Ohwi
- O.I.Moreno - Oscar Ismaél Moreno
- Okamura - Kintarô Okamura
- Oken - Lorenz Oken
- Ola'h - G.-M. Ola'h
- Olde - Peter Olde
- O.L.Gilbert - Oliver Lathe Gilbert
- Oliv. - Daniel Oliver
- Oliva-Esteve - Francisco Oliva-Esteve
- Olivi - Giuseppe Olivi
- Olivier - Guillaume Antoine Olivier
- Olmstead - Richard Glenn Olmstead
- Olmsted - Frederick Law Olmsted
- Olney - Stephen Thayer Olney
- O.L.Pereira - Olinto L. Pereira
- Olsen - John S. Olsen
- Olszewski - Tomasz S. Olszewski
- Oltm. - Friedrich Oltmanns
- O.M.Barth - O.M. Barth
- O.Moritz - Otto Moritz
- O.Muñiz - O. Muñiz
- Onno - Max Onno
- O.N.Witt - Otto N. Witt
- Ooststr. - Simon Jan van Ooststroom
- O.O.Rudbeck - Olaus Olai Rudbeck
- Opel - Matthew R. Opel
- Opiz - Philipp Maximilian Opiz
- Opperman - P.A. Opperman
- Orb. - Charles Henry Dessalines d' Orbigny
- Orcutt - Charles Russell Orcutt
- Orellana - R.G. Orellana
- O.R.Fr. - Oscar Robert Fries
- O.R.Heine - Otto Rudolph Heine
- O.Richt. - Oswald Richter
- Ormeno-Nuñez - J. Ormeno-Nuñez
- Ormerod - Paul Ormerod
- Ormezz. - Quentin Jean Baptiste Ormezzano
- Ormonde - José Eduardo Martins Ormonde
- Orph. - Theodhoros Orphanides
- Orr - Matthew Young Orr
- O.R.Rob. - Orbelia R. Robinson
- Orsi - María Cristina Orsi
- Ortega - Casimiro Gómez Ortega
- Ortega Oliv. - Ana Ortega Olivencia
- Ortgies - Karl Eduard Ortgies
- Ortiz-Cat. - Luis Ortiz-Catedral
- Ortloff - Fr. Ortloff
- Ortmann - Anton Ortmann
- Osada - Takemasa Osada
- Ó.Sánchez - Óscar Sánchez Pedraja
- Osbeck - Pehr Osbeck
- Osb.-Kos. - Jana Osbornová-Kosinová
- Osborn - Arthur Osborn
- O.Schmidt - Oswald Schmidt
- O.Schwarz - Otto Karl Anton Schwarz
- Oshio - Masayoshi Oshio
- Oshite - Kei Oshite
- Osipian - Lia Levonevna Osipian
- Osk. - Ingimar Oskarsson
- Oskamp - Dirk Leonard Oskamp
- Osmaston - Arthur Edward Osmaston
- Ospina - H.Mariano Ospina
- Osten - Cornelius Osten
- Ostenf. - Carl Hansen Ostenfeld
- Osterh. - George Everett Osterhout
- O.Stevens - Orin Alva Stevens
- O.Suárez - Octavio Suárez
- O.S.Walsh - O.S. Walsh
- O.Targ.Tozz. - Ottaviano Targioni Tozzetti
- O.Téllez - Oswaldo Téllez Valdés
- O.Thomas - Owen Thomas
- Otth - Carl Adolph Otth Carl Adolf Otth
- Otto - Christoph Friedrich Otto
- Oudejans - Robertus Cornelis Hilarius Maria Oudejans
- Oudem. - Cornelius Anton Jan Abraham Oudemans
- Ovcz. - Pavel Nikolaevich Ovczinnikov
- Oven - E.van Oven
- Over - William Henry Over
- Overeem - Casper van Overeem
- Overh. - Lee Oras Overholts
- Overkott - Ortrud Overkott
- Oviedo - Ramona Oviedo Prieto
- Ovrebo - Clark Ovrebo
- O.Weber - Odile Weber
- O.Werner - Olaf Werner
- O.W.Knight - Ora Willis Knight
- Ownbey - Francis Marion Ownbey
- Oxley - Frederick Oxley
- Oxner - Alfred Mykolaiovych Oxner
- Ozanin - C. Ozanin
- Ozanon - H.Charles Ozanon
- Ožeg. Ozeg - J.W. Ožegovic
- Ozenda - Paul Ozenda
P
edit- P.A.Bean - Patricia Anne Bean
- Pabst - Guido Frederico João Pabst
- Paccard - Ernesto Paccard
- Pacher - David Pacher
- Packard - Alpheus Spring Packard
- Packer - John G. Packer
- Pacz. - Józef Konrad Paczoski
- P.A.Dang. - Pierre Augustin Dangeard Pierre Clément Augustin Dangeard
- P.A.Dawson - Penelope A. Dawson
- P.A.Duvign. - Paul Auguste Duvigneaud
- P.A.Farrant - P.A. Farrant
- P.A.Gilbert - P.A. Gilbert
- P.A.Harding - Patricia A. Harding
- Paill. - Justin Paillot
- Paine - John Alsop Paine
- Palací - Carlos A. Palací
- Palam. - Emanuel Palamarev
- Palassou - Pierre Bernard Palassou
- Palau - Antonio Palau y Verdera
- P.Alexander - Patrick Alexander
- Pall. - Peter Simon Pallas
- Palla - Eduard Palla
- Palmer - Edward Palmer
- Palmstr. - Johan Wilhelm Palmstruch
- Palun - Maurice Palun
- Pammel - Louis Hermann Pammel
- Pamp. - Renato Pampanini
- Panag. - C.G. Panagopoulos
- Panar. - Paolo Panarotto
- Panas. - V.T. Panasenko
- Panay. - A. Panayotatou
- Pancher - Jean Armand Isidore Pancher
- Pancic - Josif Pancic
- Panda - P.C. Panda
- Pander - C. Pander
- P.Anderson - Patricia Anderson
- Pandiani - Arturo Pandiani
- Panero - José L. Panero
- Pang - Jin Hu Pang
- Pangalo - Konstantin Ivanovic Pangalo
- Pangtey - Y. P. S. Pangtey
- Pangua - Emilia Pangua
- Panigrahi - Gopinath Panigrahi
- Panikkar - M. V. N. Panikkar
- Panizzi - Francesco Panizzi
- Panja - G. J. Panja
- Panjut. - P. S. Panjutin
- Pankow - Helmut Pankow
- Panov - P.P. Panov
- Pantl. - Robert Pantling
- Pantu - Zacharia C. Pantu
- Panz. - Georg Wolfgang Franz Panzer
- Paol. - Giulio Paoletti
- Papan. - Konstantinos Papanicolaou
- Pappe - Karl Wilhelm Ludwig Pappe
- Pardo - Trinidad Herménégilde José Pardo de Tavera
- Paris - Jean Édouard Gabriel Narcisse Paris
- Parish - Samuel Bonsall Parish
- Parisot - Louis Charles Parisot
- Park - Mungo Park
- Parker - W.K. Parker
- Parkinson - Sydney C. Parkinson
- Parl. - Filippo Parlatore
- Parm. - Antoine Parmentier Antoine Auguste Parmentier
- Parmasto - Erast Parmasto
- Parn. - Richard Parnell
- Parodi - Lorenzo Raimundo Parodi
- Parrot - Friedrich Parrot Johann Jacob Friedrich Wilhelm Parrot
- Parry - Charles Christopher Parry
- Parsa - Ahmed Parsa
- Pa.Savi - Paolo Savi
- Pascher - Adolf Pascher
- P.A.Schmidt - Peter A. Schmidt
- Pasha - M.K. Pasha
- P.A.Smirn. - Pavel Aleksandrovich Smirnov
- Pasq. - Giuseppe Antonio Pasquale
- Pastore - Ada I. Pastore
- Pass. - Giovanni Passerini
- Passy - Antoine François Passy
- P.A.Taylor - Patricia A. Taylor
- Paterson - William Paterson
- Paton - Jean Annette Paton
- Patoni - Carlos Patoni
- Patrin - Eugène Louis Melchior Patrin
- Patschke - Wilhelm Patschke
- P.A.Tyler - Peter Alfred Tyler
- Patze - Carl August Patze
- Pau - Carlos Pau y Español
- Paul G.Wilson - Paul Graham Wilson
- Paulsen - Ove Paulsen
- Paunero - Elena Paunero Ruiz
- Pav. - José Antonio Pavón y Jiménez
- Pavelka - P. Pavelka
- Pavlov - Nikolai Vasilievich Pavlov
- Pavol. - Angiolo Ferdinando Pavolini
- Pawl. - Bogumil Pawlowski
- Pawlowska - Stanistawa Pawlowska
- Pawlus - Maria Pawlus
- Pax - Ferdinand Pax
- Paxton - Joseph Paxton
- P.A.Young - Paul Allen Young
- Payson - Edwin Blake Payson
- P.B.Adams - P.B. Adams
- P.Banerjee - Partha Banerjee
- P.Barker - P. Barker
- P.Baumann - Paul Baumann
- P.Beauv. - Ambroise Marie François Joseph Palisot de Beauvois
- P.Berthault - Pierre Berthault
- P.Blanco - Paloma Blanco
- P.Brack - Paulo Brack
- P.B.Richt. - Paul Boguslav Richter
- P.Browne - Patrick Browne
- P.Candargy - Paléologos C. Candargy
- P.C.Boyce - Peter Charles Boyce
- P.C.DeJong - P.C. DeJong
- P.C.Fisch. - Pierre C. Fischer
- P.C.M.Jansen - P.C.M. Jansen
- P.Costa - P. Costa
- P.C.Silva - Paul Claude Silva
- P.C.Tam - Pui Cheung Tam
- P.C.Thomas - P.C. Thomas
- P.Dawson - Principal Dawson
- P.D.Br. - P.D. Brown
- P.Delforge - Pierre Delforge
- P.Dobell - Patricia Dobell
- P.D.Sell - Peter Derek Sell
- P.D.Sørensen - Paul Davidson Sørensen
- Pearce - Sydney Albert Pearce
- Pearson - William Henry Pearson
- Peattie - Donald C. Peattie
- P.E.Barnes - P.E. Barnes
- P.E.Berry - Paul Edward Berry
- Peck - Charles Horton Peck
- Peckolt - Theodoro Peckolt
- Pedersen - Troels Myndel Pedersen
- Pedley - Leslie Pedley
- Pedralli - Gilberto Pedralli
- Pedraza - Paola Pedraza
- Pedrini - A.G. Pedrini
- Pedro - José Gomes Pedro
- Pedrol - Joan Pedrol
- Pedrola - Joan Pedrola Joan Pedrola Monfort
- Pedrosa - M.Carlota Pedrosa
- Pedrotti - Giovanni Pedrotti
- P.E.Gibbs - Peter Edward Gibbs
- Peixoto - Ariane Luna Peixoto
- Peláez - Fernando Peláez Campomanes
- Pell. - Gaetano Pellegrini
- Pelland. - Wanda Pellandini
- Pellanda - Giuseppe Pellanda
- Pellegr. - François Pellegrin
- Pellet. - Pierre Joseph Pelletier
- Pelletan - Jules Pelletan
- Pelloe - Emily Harriet Pelloe
- Pellow - Belinda Pellow
- Pelourde - Fernand Pelourde
- Pelser - Pieter B. Pelser
- Pelt. - E. Peltereau
- P.E.Moore - Peggy E. Moore
- Pena - Pierre Pena
- Penas - Angel Penas
- Penn. - Leigh Humboldt Pennington
- Pennant - Thomas Pennant
- Pennell - Francis Whittier Pennell
- Penny - George Penny
- Pensiero - José Francisco Pensiero
- Penz. - Albert Julius Otto Penzig
- Peña de Sousa - Magdalena Peña de Sousa
- Pepin Pépin - Pierre Denis Pépin
- P.E.Powell - Paul E. Powell
- Peralta - Iris Edith Peralta
- Pérard - Alexandre Jules César Pérard
- Pereb. - Nicolaas Ewoud Pereboom
- Pereda - José María Pereda
- Peredo - H.L. Peredo
- Peregrine - W.T.H. Peregrine
- Pereira - Huascar Pereira
- Pereiro - M. Pereiro Miguens
- Peres - Generosa E.P. Peres
- Perest. - Luiza Pavlovna Perestenko
- Pereyra - Erwin Manfred Pereyra
- Pérez - C. Pérez
- Pérez Arbel. - Enrique Pérez Arbeláez
- Pérez Carro - F.Javier Pérez Carro
- Pérez-Calix - Emmanuel Pérez-Calix
- Pérez-Chisc. - J.L. Pérez-Chiscano
- Pérez-Cirera - José Luis Pérez-Cirera
- Pérez de la Rosa - Jorge Pérez de la Rosa
- Pérez-Farr. - Miguel A. Pérez-Farrera
- Pérez Lara - José María Pérez Lara
- Perez-Mor. - Roman A. Perez-Moreau
- Pérez Morales - Carmen Pérez Morales
- Perez-Silva - Evangelina Perez-Silva
- Pérez Raya - Francisco Pérez Raya
- Pérez Reyes - Rodolfo Pérez Reyes
- Pérez-Vera - F. Pérez-Vera
- Pérez-Zab. - Jorge A. Pérez-Zabala
- Perkins - Janet Russell Perkins
- Perleb - Karl Julius Perleb
- Perr. - Georges Guerrard Samuel Perrottet
- Perrault - Claude Perrault
- Perr.-Bertr. - Jacqueline Perreau-Bertrand
- Perret - Horace Perret
- Perreym. - Jean Honoré Perreymond
- Perrier - Alfred Perrier
- Perrin - Ida Southwell Perrin
- Perrine - Henry Perrine
- Perring - Wilhem Perring
- Perronc. - Eduardo Perroncito
- Perrone - V. Perrone
- Perrot - Emile Constant Perrott
- Perrott - P.Elizabeth Thomas Perrott
- Perroud - Louis Francois Perroud
- Perry - Matthew Calbraith Perry
- Pers. - Christiaan Hendrik Persoon
- Petagna - Vincenzo Petagna
- Peter - Gustav Albert Peter
- Peter B.Adams - Peter B. Adams
- Peter G.Wilson - Peter Gordon Wilson
- Peter J.Fisher - Peter J. Fisher
- Peterm. - Wilhelm Ludwig Petermann
- Petif - Johann Friedrich Carl Ludwig Corentin Petif
- Petit - Antoine Petit
- Petitb. - A. Petitberghien
- Petitm. - Marcel Georges Charles Petitmengin
- Petit-Radel - Philippe Petit-Radel
- Petiver - James Petiver
- Petr. - Franz Petrak
- Petri - Lionello Petri
- Petra Hoffm. - Petra Hoffmann
- Petrie - Donald Petrie
- Petz. - Carl Edward Adolph Petzold
- Peyr. - Johann Joseph Peyritsch
- Petrovic - Sava Petrovic
- Pfeff. - Wilhelm Pfeffer
- Pfeifer - Howard William Pfeifer
- Pfeiff. - Ludwig Karl Georg Pfeiffer
- Pfeil - Friedrich Wilhelm Leopold Pfeil
- P.F.F.Schulz - Paul Franz Ferdinand Schulz
- P.F.Hunt - Peter Francis Hunt
- Pfitzer - Ernst Hugo Heinrich Pfitzer
- P.Fourn. - Paul Victor Fournier
- P.F.Stevens - Peter Francis Stevens
- P.Gaertn. - Philipp Gottfried Gaertner
- P.G.Davis - Paul G. Davis
- P.G.Neish - Peter G. Neish
- P.G.Parkinson - P.G. Parkinson
- P.Graebn. - Paul Graebner
- P.G.Richt. - Paul Gerhard Richter
- P.G.Russell - Paul George Russell
- P.H.Allen - Paul Hamilton Allen
- P.H.B.Talbot - Patrick Henry Brabazon Talbot
- P.H.Davis - Peter Hadland Davis
- Phelps - William H. Phelps Sr. William Phelps
- P.H.Greg. - Philip Herries Gregory
- Phil. - Rodolfo Amando Philippi
- Phillips - Henry Phillips
- Phitos - Demetrius Phitos
- P.H.Huang - P.H.Huang
- Philcox - David Philcox
- Phipps - Constantine John Phipps
- P.H.Huang - P.H.Huang
- P.Hoffm. - Philipp Hoffmann
- P.H.Raven - Peter Hamilton Raven
- P.H.Thomson - Paul H. Thomson
- Phukan - Sandhyajyoti Phukan
- Phuph. - Leena Phuphathanaphong
- P.H.Weston - Peter Henry Weston
- Pichl. - R.Alfred Pichler
- Pichon - Marcel Pichon
- Pic.Serm. - Rodolfo Emilio Giuseppe Pichi Sermolli
- Pickett - Fermen Layton Pickett
- Pierce - John Hwett Pierce
- Pierre - Jean Baptiste Louis Pierre
- Pieters - Adrian John Pieters
- Pietsch - Friedrich Maximillian Pietsch
- P.I.Forst. - Paul Irwin Forster
- Pigg - Kathleen Belle Pigg
- Piggin - C.M. Piggin
- Pignal - M.C. Pignal
- Pignatti - Sandro Pignatti
- Pigott - Christopher Donald Pigott
- Piippo - Sinikka Piippo
- Pilg. - Robert Knud Pilger
- Pillans - Neville Stuart Pillans
- Pimenov - Michael Georgievich Pimenov
- Pinto-Lopes - José Pinto-Lopes
- Pio - Giovanni Battista Pio
- Piper - Charles Vancouver Piper
- Pipoly - John J. Pipoly
- Pir - Louis Alexandre Henri Joseph Pir
- Piraja - Manuel Augusto Piraja da Silva
- Pirani - José Rubens Pirani
- Piré - Louis Alexandre Henri Joseph Piré
- Pires - João Murça Pires
- Pires de Lima - Américo Pires de Lima
- Pires-O'Brien - Maria Joaquina Pires-O'Brien
- Piringer - W. Piringer
- Pirini - Camilla Pirini
- Piriz - M.L. Piriz
- Pirona - Giulio Andrea Pirona
- Pirone - Pascal Pompey Pirone
- Pirotta - Pietro Romualdo Pirotta
- Pirovano - Alberto Pirovano
- Piroz. - Kris.A. Pirozynski
- Pirozhk. - N.M. Pirozhkova
- Pisano - Edmundo Pisano Valdés
- Pit. - Charles-Joseph Marie Pitard-Briau
- Pitt - John Ingram Pitt
- Pittendr. - Colin S. Pittendrigh
- Pittier Pitt. - Henri François Pittier
- Pittoni - Josef Claudius Pittoni
- Pivov. - N.S. Pivovarova
- Pizarro - João Joachim Pizarro
- P.Ivanov - Plamen Ivanov
- P.J.Adey - Patricia J. Adey
- P.J.Anderson - Paul Johnson Anderson
- P.J.Bergius - Peter Jonas Bergius
- P.J.Braun - Pierre Josef Braun
- P.J.Cribb - Phillip James Cribb
- P.J.Fisher - Paul Jack Fisher
- P.J.Jacks. - P.J. Jackson
- P.J.Knight - Paul J. Knight
- P.J.L.Dang. - Pierre Jean Louis Dangeard
- P.J.Mathew - P.J. Mathew
- P.Joly - Patrick Joly
- P.Jørg. - Peter Møller Jørgensen
- P.J.Müll. - Philipp Jakob Müller
- P.J.Scott - Peter John Scott
- P.J.S.Cramer - Pieter Johannes Samuel Cramer
- P.J.Walker (botanist) - P.J. Walker (botanist)
- P.Karst. - Petter Adolf Karsten
- P.K.Dixit - P.K. Dixit
- P.K.Endress - Peter Karl Endress
- P.K.Holmgren - Patricia Kern Holmgren
- P.Koch - Peter Koch
- P.K.Storm - P.K. Storm
- P.Kumm. - Paul Kummer
- Plaäts-Nit. - A.J.van der Plaäts-Niterink
- Plakidas - Antonios George Plakidas
- Plam. - Emanuel Plamada
- Plana - Vanessa Plana
- Planch. - Jules Emile Planchon
- Planchuelo - Ana María Planchuelo
- Plancke - Jacqueline Plancke
- Pland. - Eva Planderova
- Planer - Johann Jacob Planer
- Plank - S. Plank
- Plante - Raphael Plante
- P.Larsen - Poul Larsen
- Plas - F.van der Plas
- Plastino - Estela María Plastino
- Plate - H.-P. Plate
- Platen - Paul Louis Platen
- Playfair - George Israel Playfair
- Playford - Julia Playford
- Playne - Playne
- P.L.Cheng - P.L. Cheng
- Plée - Auguste Plée
- Pleger - R. Pleger
- Pleijel - Carl Gerhard Wilhelm Pleijel
- Plenck - Joseph Jacob von Plenck
- P.Lepší - Petr Lepší
- P.Lewis - Patricia Lewis
- Plitmann - Uzi Plitmann
- Plitt - Charles Christian Plitt
- Plitzka - Alfred Plitzka
- Plocek - Alexander Plocek
- Plomb - G. Plomb
- Plöttn. - Traugott Plöttner
- Plowes - Darrel C. H. Plowes
- Plowman - Timothy Charles Plowman
- Plowr. - Charles Bagge Plowright
- Plues - Margaret Plues
- Pluk. - Leonard Plukenet
- Plum. - Charles Plumier
- Plumel - Marcel-Marie Plumel
- Plummer - Sarah Allen Plummer
- Plumst. - Edna Pauline Plumstead
- Plunkett - Orda Allen Plunkett
- P.L.Zhu - Pei Liang Zhu
- P.Mathew - Philip Mathew
- P.M.Br. - Paul Martin Brown
- P.M.Dodson - Piedad Marmol de Dodson
- P.M.Hall - Patrick Martin Hall
- P.Michael - Paul Oskar Michael
- P.Micheli - Pier Antonio Micheli
- P.M.Jørg. - Per Magnus Jørgensen
- P.-M.L.Jaeger - Peter-Martin Lind Jaeger
- P.Monts. - Pedro Montserrat Recoder
- P.Morris - Patrick Francis Morris
- P.M.Thomson - Paul M. Thomson
- P.M.Zamora - Prescillano M. Zamora
- P.N.Don - P.N. Don
- P.Noël - Paul Noël
- P.Nuñez - Percy Nuñez
- Pobed. - Eugenia Georgievna Pobedimova
- P.O'Byrne - Peter O'Byrne
- Poche - Franz Poche
- Pocock - Mary Agard Pocock
- Pocta - Filip Pocta
- Podger - Francis Denis Podger
- Podlech - Dieter Podlech
- Podl.-Ruž. Podl.-Ruz. - Podlahová-Ružena
- Podp. - Josef Podpera
- Podz. - Andrew C. Podzorski
- Poech - Josef Poech
- Poederlé - Eugene Josef Charles Gilain Hubert d'Olmen Poederlé
- Poelln. - Karl von Poellnitz
- Poepp. - Eduard Friedrich Poeppig
- Poeverl. - Hermann Poeverlein
- Poggenb. - Justus Ferdinand Poggenburg
- Pohl - Johann Baptist Emanuel Pohl
- Pohlad - B.R. Pohlad
- Pohle - Richard Richardowitsch Pohle
- Pohnert - Helmut Pohnert
- Pohr. - I.I. Pohribniak
- Poignant - Alain Francois Poignant
- Poinar - George O. Poinar
- Poind. - Robert W. Poindexter
- Poir. - Jean Louis Marie Poiret
- Poirault - Jules Pierre Francois Poirault
- Poirier - Jacques Poirier
- Poirion - L.P. Poirion
- Poiss. - Henri Louis Poisson
- Poisy - M.B. de Poisy
- Poit. - Pierre Antoine Poiteau
- Poitr. - R. P. Poitrasson
- Poitras - Adrian W. Poitras
- Poivre - Pierre Poivre
- Pojark. - Antonina Ivanovna Pojarkova
- Polatschek - Adolf Polatschek
- Pole-Evans - Illtyd Buller Pole-Evans
- Polhill - Roger Marcus Polhill
- Poljakov - Petr Petrovich Poljakov
- Pollard - Charles Louis Pollard
- Pollich - Johan Adam Pollich
- Pollini - Ciro Pollini
- Pollock - James Barklay Pollock
- Polunin - Nicholas Vladimir Polunin
- Pomel - Auguste Nicolas Pomel
- Pomerl. - René Pomerleau
- Ponce - Marta Mónica Ponce
- Ponert - Jirí Ponert
- Pons - Alexandre Pons
- Ponted. - Giulio Pontedera
- Pontiroli - Aida Pontiroli
- Poole - Alick Lindsay Poole
- Pop - Emil Pop
- Pope - Willis Thomas Pope
- Popek - Ryszard Popek
- Popenoe - Frederick Wilson Popenoe
- Popl. - Henrietta Ippolitovna Poplavskaja
- Popov - Mikhail Grigoríevich Popov
- Popova - Galina Mikailovna Popova
- Porter - Thomas Conrad Porter
- Posada-Ar. - Andrés Posada-Arango
- Posch. - Gustav Adolf Poscharsky
- Poschk. - A.P. Poschkurlat
- Poselg. - Heinrich Poselger
- Posey - Gilbert Bradley Posey
- Posl. - Usher Posluszny
- Posnova - A.N. Posnova
- Posp. - Eduard Pospichal
- Pospelov - A.G. Pospelov
- Pospischal - Alfred Pospischal
- Pospisil - Valentin Pospisil
- Post - George Edward Post
- Postel - Emil A.W. Postel
- Postels - Alexander Philipou Postels
- Posth. - Oene Posthumus
- Pottier - Jacques Georges Pottier
- Potts - F.H. Potts
- Potztal - Eva Hedwig Ingeborg Potztal
- Pouchet - Félix Archimède Pouchet
- Pourr. - Pierre André Pourret
- Pouzar - Zdenek Pouzar
- Powell - Thomas Powell
- Pozner - Raúl Pozner
- Pozzi - G. Pozzi
- P.Parm. - Paul Évariste Parmentier
- P.Pérez - Pedro Luis Pérez de Paz
- P.Petit - Paul Charles Mirbel Petit
- P.P.Moreno - Pedro Pablo Moreno
- P.P.Sw. - Priscilla P. Swartz
- P.Quirk - Patrick Quirk
- Pradeep - A.K. Pradeep
- Praeger - Robert Lloyd Praeger
- Prain - David Prain
- Prak.Rao - Chellapilla Surya Prakasa Rao
- P.Rama Rao - P. Rama Rao
- P.Ramesh - Polluri Ramesh
- Prance - Ghillean Tolmie Prance
- Prantl - Karl Anton Eugen Prantl
- Prather - L. Alan Prather
- Preble - Edward Alexander Preble
- Preece - Sherman Joy Preece
- P.Renault - Pierre Antoine Renault
- Preda - Agilulfo Preda
- Preobr. - Grigory A. Preobraschensky
- Preston - Thomas Arthur Preston
- Pridgeon - Alec M. Pridgeon
- Prill. - Édouard Ernest Prillieux
- Prina - Aníbal Oscar Prina
- Pringle - Cyrus Guernsey Pringle
- Pringsh. - Nathanael Pringsheim
- Prins.Geerl. - Hendrik Coenraad Prinsen Geerligs
- Pritz. - George August Pritzel
- Prob. - N.S. Probatova
- P.Roberts - Peter Roberts
- P.R.O.Bally - Peter René Oscar Bally
- Proctor - George Richardson Proctor
- Profice - Sheila Regina Profice
- Progel - August Progel
- Prokh. - Jaroslav Ivanovic Prokhanov
- Prosch. - A.A.Robertson Proschowsky
- Prosk. - Johannes Max Proskauer
- Proskur. - G.M. Proskuryakova
- P.Rossi - Pietro Rossi
- Proust - Louis Proust Louis Proust (botanist)
- Prov. - Léon Abel Provancher
- Prowazek - Stanislaus von Prowazek
- P.Royen - Pieter van Royen
- P.Russell - Patrick Russell
- P.R.Wagner - Paul Raymond Wagner
- P.S.Allen - Perry S. Allen
- P.Sarasin - Paul Benedict Sarasin
- Psareva - E.N. Psareva
- P.S.Ashton - Peter Shaw Ashton
- P.S.Bergman - Phyllis S. Bergman
- P.Schäf. - Peter Andreas Schäfer
- P.Schmidt - Paul Schmidt
- P.Schönfelder or P.Schoenf. - Peter Schönfelder
- P.Selby - Prideaux John Selby
- P.S.Green - Peter Shaw Green
- P.Silva - Antonio Rodrigo Pinto da Silva
- P.Simmonds - Peter Lund Simmonds
- P.S.N.Rao - P. Satyanarayana Rao
- P.Stephan - Paul Stephan
- P.S.Wilson - Paul S. Wilson
- P.S.Wyse Jacks. - Peter S. Wyse Jackson
- P.Syd. - Paul Sydow
- P.Tate - P. Tate
- P.Taylor - Peter Geoffrey Taylor
- P.Thomas - Philippe Thomas
- Puech - Hippolyte Puech
- Puel - Timothée Puel
- Puente - Emilio Puente
- Puerari - Marc Nicolas Puerari
- Puerta - Gabriel de la Puerta y Rodenas
- Pueschel - Curt M. Pueschel
- Pugnaire - Francisco Ignacio Pugnaire de Iraola
- Pugsley - Herbert William Pugsley
- Puig - Hermelina Puig
- Puigd. - Emilio Maffei Puigdullés
- Puigg. - Juan Ignacio Puiggari
- Puihn - Johann Georg Puihn
- Puiss. - Pierre A. Puissant
- Pujals - Carmen Pujals
- Pulgar - Iñigo Pulgar
- Pult. - Richard Pulteney
- Pupulin - Franco Pupulin
- Purchas - William Henry Purchas
- Purdie - William Purdie
- Purdom - William Purdom
- Purdy - Carlton Elmer Purdy
- Puring - Nicolai J. Puring
- Purk. - Emanuel Ritter von Purkyné
- Purkinje - Johannes Evangelista Purkinje
- Purpus - Carl Albert Purpus
- Pursell - Ronald A. Pursell
- Pursh - Frederick Traugott Pursh
- Purton - Thomas Purton
- Puschk. - B.M. Puschkarew
- Putt. - Alois Putterlick
- Puttock - Christopher Francis Puttock
- Putz. - Jules Putzeys
- P.V.Heath - Paul V. Heath
- P.Vidal - Pilar Vidal
- P.Wakef. - Priscilla Wakefield
- P.Watson - Peter William Watson
- P.W.Ball - Peter William Ball
- P.Weiss - P. Weiss
- P.Wilson - Percy Wilson
- P.W.Lund - Peter Wilhelm Lund
- P.W.Michael - Peter William Michael
- P.W.Perrin - Peter W. Perrin
- P.W.Thomson - Paul William Thomson
- P.W.Wilson - Perry William Wilson
- Pyck - Nancy Pyck
- Pynaert - Edouard-Christophe Pynaert
Q
edit- Qadri - Syed Shamsuddin Qadri
- Qaiser - Mohammad Qaiser
- Qazilb. - Nawezish Ali Qazilbash
- Q.F.Zheng - Qing Fang Zheng
- Q.Jiménez - Quírico Jiménez
- Q.J.P.Silva - Quitéria Jesus Gonçalves Pinto da Silva
- Q.Lin - Qi Lin
- Qosja - Xh. Qosja
- Quadr. - Livio Quadraccia
- Quaint. - Altus Lacy Quaintance
- Quandt - Christian Quandt
- Quansah - Nathaniel Quansah
- Quar - Camilo Luis Quar
- Quarín - Camilo Luis Quarín
- Quart.-Dill. - Richard Quartin-Dillon
- Quarín - Camilo Luis Quarín
- Quehl - Leopold Quehl
- Quél. - Lucien Quélet
- Quelle - Ferdinand Friedrich Hermann Quelle
- Quéné - Robert-Jan W. Quéné
- Quenn. - Nils Quennerstedt
- Quenst. - Friedrich August von Quenstedt
- Quentin - P. Quentin
- Quer - José Quer y Martínez
- Quesné - François Alexandre Quesné
- Quételet - Adolphe Quetelet
- Queva - Charles Queva
- Queyrat - Louis Queyrat
- Quezada - Max Quezada
- Quezel - Pierre Ambrunaz Quezel
- Quick - Clarence Roy Quick
- Quilhot - Wanda Quilhot
- Quimio - Tricita H. Quimio
- Quincy - Charles Quincy
- Quinet - R.I. Quinet
- Quinlan - M.S. Quinlan
- Quinn - Christopher John Quinn
- Quinq. - E. Quinquaud
- Quint. - Aurelio Periera da Silva Quintanilha
- Quintan. - J.A. Quintanilla Sáez
- Quiñones - Luz Mila Quiñones
- Quipuscoa - Victor Quipuscoa Silvestre
- Quirk - R. Quirk
- Quiroz Calvo - Manuel Quiroz Calvo
- Quisumb. - Eduardo Quisumbing y Arguelles
- Quod - Jean-Pascal Quod
- Quoy - Joy Rene Constant Quoy
- Q.X.Fang - Q.X. Fang
- Q.Z.Dong - Quan Zhong Dong
R
edit- R.A.Anderson - Roger Arthur Anderson
- Raab - Christian Wilhelm? Raab
- Raabe - Hildegard Raabe
- Raatik. - Terttu K. Raatikainen
- Raatz - Georg Victor Raatz
- R.A.Baker - Richard A. Baker
- Raadts - Edith Marie Raadts
- Rabanus - Adolf Rabanus
- Rabate - Jacques Rabate
- Rabeler - Richard Kevin Rabeler
- Rabenau - Benno Carl August Hugo von Rabenau
- Rabenh. - Gottlob Ludwig Rabenhorst
- Raber - Oran Lee Raber
- Rabin. - Lydia Rabinowitsch
- R.Abraham - Rajender Abraham
- Rac.C.Foster - Racine C. Foster
- Rach - Louis Theodor Rach
- Racib. - Marjan Raciborski Maryan Raciborski Marian Raciborski Maryjan Raciborski
- Racine - Rudolf Racine
- Racov. - Andrei Racovitza
- R.Adams - Robert Perry Adams
- R.A.Davidson - Robert A. Davidson
- Radcl.-Sm. - Alan Radcliffe-Smith
- Radde - Gustav Radde
- Raddi - Giuseppe Raddi
- Rade - J. Rade
- Radencova - Radencova
- Raderm. - Jacobus Cornelius Matthaeus Radermacher
- Radford - Albert Ernest Radford
- Radlk. - Ludwig Adolph Timotheus Radlkofer
- R.A.Dyer - Robert Allen Dyer
- Rae - S.J. Rae
- Raenko - L.M. Raenko
- Raeusch. - Ernst Adolf Raeuschel
- Raf. - Constantine Samuel Rafinesque
- Raffaelli - Mauro Raffaelli
- Raffill - Charles Percival Raffill
- Raffles - Thomas Stamford Raffles
- Rafn - Carl Gottlob Rafn
- R.A.Foster - Robert A. Foster
- Ragh.Rao - S.R. Raghava Rao
- Ragion. - Attilio Ragionieri
- R.A.Gibson - Robert Adams Gibson
- Ragonese - Arturo Enrique Ragonese
- Ragup. - S. Ragupathy
- R.A.Hall - R.A. Hall
- R.A.Harper - Robert Almer Harper
- R.A.Herrera - Ricardo A. Herrera
- Rahn - Knud Rahn
- R.A.Howard - Richard Alden Howard
- Raimondi - Antonio Raimondi
- Rain.Schub. - Rainer Schubert
- Raithelh. - Jörg Raithelhuber
- Raizada - Mukat Behari Raizada
- Rajchenb. - Mario Rajchenberg
- Rakestraw - Lulu Rakestraw
- Rakhm. - U. Rakhmankulov
- Rakot. - Armand Rakotozafy
- Rakotonas. - Franck Rakotonasolo
- R.A.Krause - R.A. Krause
- Ralf Bauer - Ralf Bauer
- Ralfs - John Ralfs
- R.Alonso - Raquel Alonso
- Ralph Hoffm. - Ralph Hoffmann
- Rama Rao - Muttada Rama Rao
- Rambert - Eugene Rambert
- Rambo - Balduíno Rambo
- Rambold - Gerhard Walter Rambold
- Rambosson - Jean Pierre Rambosson
- Ramella - Lorenzo Ramella
- Ram.Goyena - Miguel Ramírez Goyena
- Ramírez - José Ramírez (botanist)
- Ramis - Aly Ibraham Ramis
- Ramis y Ramis - Juan Ramis y Ramis
- Ramisch - Franz Xaver Ramisch
- Ramm - Etienne Ramm
- Rammeloo - Jan Rammeloo
- Ramond - Louis François Ramond de Carbonnière
- Ramsey - Glen Blaine Ramsey
- Ranalli - María Esther Ranalli
- Rand.Morgan - Randall Morgan
- Rao - Ananda R. Rao
- Raoul - Étienne Fiacre Louis Raoul
- Rapaics - Raymund Rapaics
- R.A.Palacios - Ramón A. Palacios
- R.A.Phelps - Ryan A. Phelps
- R.A.Phillips - Robert Albert Phillips
- Rapin - Daniel Rapin
- R.A.Rodr. - Roberto A. Rodríguez
- R.A.Scott - Richard A. Scott
- Rasm. - Rasmus Rasmussen
- Raspail - François Vincent Raspail
- Rataj - Karel Rataj
- Rathke - Jens Rathke
- Ratzeb. - Julius Theodor Christian Ratzeburg
- Rätzel - Stefan Rätzel
- Rau - Eugene Abraham Rau
- Raub - Thomas J. Raub
- Rauh - Werner Rauh
- Rauhala - A. Rauhala
- Raunk. - Christen Christiansen Raunkiær
- Rauschert - Stephan Rauschert
- Rauwenh. - Nicolas Willem Pieter Rauwenhoff
- Raup - Hugh Miller Raup
- Rausch - Walter Rausch
- Rauwolff - Leonhard Rauwolf
- Raven - John Earle Raven
- Ravenel - Henry William Ravenel
- Ravenscr. - Edward James Ravenscroft
- Rawe - Rolf Rawe
- R.A.Weeks - R.A. Weeks
- R.A.W.Herrm. - Rudolf Albert Wolfgang Herrmann
- R.A.White - Richard Alan White
- Rawitscher - Felix Rawitscher
- Rawla - G.S. Rawla
- Rawl. - Christopher James Rawlinson
- Rawlings - G.B. Rawlings
- Rawson - Rawson William Rawson
- Rawton - Olivier de Rawton
- Ray - John Ray
- Raym.-Hamet - Raymond-Hamet
- Raynaud - Christian Raynaud
- R.A.Young - Robert Armstrong Young
- Rayss - Tscharna Rayss
- Razaf. - A. Razafindratsira
- Razi - Basheer Ahmed Razi
- R.Baker - Ralph Baker
- R.B.Anderson - Redvers B. Anderson
- R.Bauer - Robert Bauer
- R.B.Clark - Robert Brown Clark
- R.Beer - Rudolph Beer
- R.Bernal - Rodrigo Bernal
- R.B.Foster - Robin Bradford Foster
- R.B.Green - Roderick B. Green
- R.B.Jørg. - R.B. Jørgensen
- R.Blanch. - Raphaël Blanchard
- R.B.Pearce - R.B. Pearce
- R.B.Shaw - R.B. Shaw
- R.Br. - Robert Brown (Scottish botanist from Montrose)
- R.Br.bis - Robert Brown (New Zealand botanist)
- R.Br.ter - Robert Brown (Scottish botanist from Caithness)
- R.B.Singer - Rodrigo B. Singer
- R.B.Stewart - Robert B. Stewart
- R.B.Thomson - Robert Boyd Thomson
- R.C.A.Pereira - Rita de Cássia Araújo Pereira
- R.C.Br. - Roy Curtiss Brown
- R.C.Brooks - Roy C. Brooks
- R.Carter - James Richard Carter
- R.C.Clark - Ross C. Clark
- R.C.Evans - Rodger C. Evans
- R.C.Fang - Rhui Cheng Fang
- R.C.Foster - Robert Crichton Foster
- Rchb. - Ludwig Reichenbach
- Rchb.f. - Heinrich Gustav Reichenbach
- R.C.Jacks. - Raymond Carl Jackson
- R.Clark - Ruth Clark
- R.C.Lewis - R.C. Lewis
- R.C.Lorenz - Rolland Carl Lorenz
- R.C.Moore - Raymond Cecil Moore
- R.C.Moran - Robbin C. Moran
- R.C.Nash - R.C. Nash
- R.C.Pearson - Roger C. Pearson
- R.C.Phillips - Ronald C. Phillips
- R.C.Rosenthal - R.C. Rosenthal
- R.C.Russell - Ralph Clifford Russell
- R.C.Starr - Richard Cawthorn Starr
- R.C.Thomas - Roy Curtis Thomas
- R.C.Turner - R.C. Turner
- R.C.Wittmann - Ronald C. Wittmann
- R.Dahlgren - Rolf Martin Theodor Dahlgren
- R.D.Bray - Rebecca D. Bray
- R.D.Brooks - R.D. Brooks
- R.D.Dixit - Ram Das Dixit
- R.D.Good - Ronald D'Oyley Good
- R.D.Reeves - R.D. Reeves
- R.D.Spencer - Roger David Spencer
- R.D.Thomas - R.Dale Thomas
- R.D.Webster - Robert D. Webster
- R.D.Williams - R.D. Williams
- Re - Giovanni Francesco Re
- Rea - Carleton Rea
- Read - Robert William Read
- Reade - Oswald Alan Reade
- Reader - Felix Maximilian Reader
- Reagan - Albert B. Reagan
- Reales - Antonio Reales
- Réaub. - Gaston Réaubourg
- Reaugh - Ann G. Reaugh
- Rebassa - Antoni Rebassa
- R.E.Ballard - Robert E. Ballard
- Rebent. - Johann Friedrich Rebentisch
- R.E.Brooks - Ralph Edward Brooks
- Rech. - Karl Rechinger
- Rech.f. - Karl Heinz Rechinger
- R.E.D.Baker - Richard Eric Defoe Baker
- R.Ed.Lee - Robert Edward Lee
- Redón - Jorge Redón Figueroa
- Redouté - Pierre-Joseph Redouté
- Rees - Abraham Rees
- Reeves - Robert Gatlin Reeves
- R.E.Fr. - Robert Elias Fries
- Reg.B.Mill. - Regis Bolden Miller
- Regel - Eduard August von Regel
- Regnell - Anders Fredrik Regnell
- R.E.Gould - Rodney Edward Gould
- Rehder - Alfred Rehder
- Rehm - Heinrich Simon Ludwig Friedrich Felix Rehm
- Reichard - Johann Jacob Reichard
- Reichardt - Heinrich Wilhelm Reichardt
- Reiche - Karl Reiche
- Reichel - Georg Christian Reichel
- Reichenb. - see Rchb.
- Reichert - Israel G. Reichert
- Reinke - Johannes Reinke
- Rein.Schmidt - Reinold Schmidt
- Reinw. - Caspar Georg Carl Reinwardt
- Reissek - Siegfried Reisseck
- Reitz - P.Raulino Reitz
- Rekha Morris - Rekha Morris
- R.E.Lee - Robert Edwin Lee
- Remak - Robert Remak
- Remy - Esprit Alexandre Remy
- Renauld - Ferdinand Renauld
- Renault - Bernard Renault
- Rendle - Alfred Barton Rendle
- R.Engel - Roger Engel
- Renjifo - Carlos Renjifo
- Renner - Otto Renner
- Rennerf. - Erik Rennerfelt
- Rennie - Robert Rennie
- Renob. - Gustavo Renobales
- R.E.Nogueira - Ricardo Eustáquio Nogueira
- R.E.Norris - Richard Earl Norris
- Ren.Rao - B. Renuka Rao
- Rensch - Ilse Rensch
- Renson - Carlos Renson
- Renss. - Maunsell van Rensselaer
- Renuka - C. Renuka
- Renvoize - Stephen Andrew Renvoize
- Renz - Jany Renz
- Renzaglia - Karen Sue Renzaglia
- Renzoni - Giovanni Cela Renzoni
- R.E.Peck - Raymond Elliot Peck
- R.E.Preston - Robert E. Preston
- Req. - Esprit Requien
- R.E.Regel - Robert E. Regel
- R.E.Schult. Richard Evans Schultes
- R.Esteves - Roberto Lourenço Esteves
- Restrepo - Blanca Leonora Restrepo
- Resv.-Holms. - Hanna Marie Resvoll-Holmsen
- Resvoll - Thekla Susanne Ragnhild Resvoll
- Retief - Elizabeth Retief
- Retz. - Anders Jahan Retzius
- R.E.Ulziykh. - Reginald E. Ulziykhutag
- Reut. - George François Reuter
- R.Evans - Randall J. Evans
- Reveal - James Lauritz Reveal
- Revuschkin - A.S. Revuschkin
- R.E.Wagner - Rudolf Eduard Wagner
- Rex - George Abraham Rex
- Reyger - Jan Gotfryd Reyger
- Reyn. - Jean Louis Antoine Reynier
- Reynolds - Gilbert Westacott Reynolds
- R.Fern. - Rosette Mercedes Saraiva Batarda Fernandes
- R.Fernández - Rafael Fernández (botanist) Rafael Fernández Nava
- R.F.Fleming - R.F. Fleming
- R.Fisch. - Robert Fischer (botanist)
- R.F.Park - Robert F. Park
- R.Frey - Ruedi Frey
- R.García - Rodolfo García Rodolfo García (botanist)
- R.G.Chacon - Roberta Gomes Chacon
- R.Geesink - Robert Geesink
- R.G.Ellis - Robert Gwynn Ellis
- R.G.García - Ricardo G. García
- R.Girard - R. Girard
- R.G.Kelsey - Rick G. Kelsey
- R.G.Li - Rui Gao Li
- R.G.N.Young - Ralph George Norwood Young
- R.Goldenb. - Renato Goldenberg
- R.González - Roberto González Tamayo
- R.G.Roberts - R.G. Roberts
- R.Gross - Roland Gross
- R.G.Schmidt - R.G. Schmidt
- R.G.Tang - Rong Guan Tang
- R.Guarino - Riccardo Guarino
- R.Guzmán - Rafael Guzmán
- R.G.van den Berg - Ronald G. van den Berg
- R.G.Williams - Reginald George Williams
- R.G.Wilson - Robert Gardner Wilson
- R.H.Anderson - Robert Henry Anderson
- R.Hedw. - Romanus Adolf Hedwig
- R.Heim - Roger Jean Heim
- R.Henry - Rene Henry
- R.Hesse - Rudolph Hesse
- R.H.Li - Ren He Li
- R.H.Maxwell - Richard Howard Maxwell
- R.Hoffm. - Reinhold Hoffmann
- R.H.Pearson - Robert Hooper Pearson
- R.H.Roberts - Richard Henry Roberts
- R.H.Schomb. - Robert Hermann Schomburgk
- R.H.Shen - Ren Hwa Shen
- R.H.Thomps. - Rufus Henney Thompson
- R.H.Zander - Richard Henry Zander
- Ricardi - Mario Héctor Ricardi Salinas
- Riccob. - Vincenzo Riccobono
- Ric.Fernández - Ricardo Fernández G.
- Rich. - Louis Claude Marie Richard
- Richardson - John Richardson (naturalist)
- Rich.Bell. - Pierre Richer de Belleval
- Rich.Schulz - Richard Schulz
- Richt. - Hermann Eberhard Friedrich Richter
- Ricken - Adalbert Ricken
- Riddell - John Leonard Riddell
- Ridgway - Robert Ridgway
- Ridl. - Henry Nicholas Ridley
- Ridsdale - Colin Ernest Ridsdale
- Riedel - Ludwig Riedel
- Riedl - Harald Udo von Riedl
- Riedl-Dorn - Christa Riedl-Dorn
- Rikli - Martin Albert Rikli
- Riley - John Riley
- Rimpau - R.H. Rimpau
- Ringius - Hans Henrik Ringius
- Rinz - Rinz
- Risatti - J.Bruno Risatti
- Rischin - M. Rischin
- Risler - Johann Risler
- Risse - Horst Risse
- Risso - Joseph Antoine Risso
- Rist - E. Rist
- Ristan. - B. Ristanovic
- Ristow - Michael Ristow
- Riv. - Augustus Quirinus Rivinus
- Rivadavia - Fernando Rivadavia
- Rivas Goday - Salvador Rivas Goday
- Rivas Mart. - Salvador Rivas Martínez
- Rivière - Marie Auguste Rivière
- Rivoire - Antoine Rivoire
- Rivola - Milan Rivola
- Rivolta - Sebastiano Rivolta
- Rix - Edward Martyn Rix
- Rixford - Emmet Rixford
- Riza - Ali Riza
- Riznyk - Raymond Z. Riznyk
- Rizvi - S. R. N. Rizvi
- Rizwi - M.A. Rizwi
- Rizzini - Carlos Toledo Rizzini
- Rizzotto - Milena Rizzotto
- R.J.Abbott - R.J. Abbott
- R.J.Anderson - Robert James Anderson
- R.J.Bates - Robert J. Bates
- R.J.Bayer - Randall James Bayer
- R.J.Blank - Rudolf J. Blank
- R.J.Davies - Richard J.-P. Davies
- R.J.Davis - Ray Joseph Davis
- R.J.Duff - R. Joel Duff
- R.J.F.Hend. - Rodney John Francis Henderson
- R.J.Hartley - R.J. Hartley
- R.Jiménez - Rolando Jiménez Machorro
- R.J.Little - R.John Little
- R.J.Moore - Raymond John Moore
- R.J.Morgan - Raymond J. Morgan
- R.John - Rachel John
- R.John Taylor - R.John Taylor
- R.J.Roberts - Ronald John Roberts
- R.J.Schmidt - Robert J. Schmidt
- R.J.Schub. - Richard Johann Schubert
- R.J.Siebert - Russell Jacob Siebert
- R.J.Stewart - R.J. Stewart
- R.J.Watson - R.J. Watson
- R.K.Baker - R. Kendall Baker
- R.Keil - Rudolf Keil
- R.Keller - Robert Keller
- R.Kiesling - Roberto Kiesling
- R.K.Jain - Raj K. Jain
- R.K.Jansen - Robert K. Jansen
- R.Klebs - Richard Klebs
- R.Knapp - Rüdiger Knapp
- R.Knuth - Reinhard Gustav Paul Knuth
- R.Kristiansen - Roy Kristiansen
- R.K.S.Lee - Robert K.S. Lee
- R.L.Barrett - Russell Lindsay Barrett
- R.L.Brooks - R.L. Brooks
- R.L.Carr - Robert Leroy Carr
- R.Lesson - René Primevère Lesson
- R.Li - Rong Li
- R.Lorenz - Richard Michael Lorenz
- R.L.Zhu - Rui Liang Zhu
- R.M.Adams - R.M. Adams
- R.M.Allen - Ruth M. Allen
- R.Mathew - R. Mathew
- R.M.Barker - Robyn Mary Barker
- R.M.Bateman - Richard M. Bateman
- R.M.Br. - Richard Malcolm Brown
- R.M.Burton - Rodney McGuire Burton
- R.M.Castro - Ricardo Montianele de Castro
- R.M.Crawford - Richard M. Crawford
- R.Mend. - R. Mendoza-Castellón
- R.M.Harper - Roland McMillan Harper
- R.M.King - Robert Merrill King
- R.M.Lloyd - Robert Michael Lloyd
- R.M.Moore - R.M. Moore
- R.Molina - Randy Molina
- R.Morales - Ramón Morales Valverde
- R.Morris - Richard Morris
- R.M.Patrick - Ruth Patrick
- R.M.Salas - Roberto M. Salas
- R.M.Schust. - Rudolf Mathias Schuster
- R.M.Sm. - Rosemary Margaret Smith
- R.M.Williams - R.M. Williams
- R.Nabiev - R.M. Nabiev
- R.Nagel - Rob Nagel
- R.N.Banerjee - Rabindra Nath Banerjee
- R.N.Carter - R.N. Carter
- R.N.R.Br. - Robert Neal Rudmose Brown
- Roane - Martha K. Roane
- Rob. - William Robinson
- Robatsch - Karl Robatsch
- Robbr. - Elmar Robbrecht
- Roberg - Lars Roberg
- Roberge - Michael Robert Roberge
- Robert - Gaspard Nicolas Robert
- Roberts - John William Roberts
- Robertson - David Robertson (naturalist)
- Roberty - Guy Edouard Roberty
- Rob.Henry - Robert Henry
- Robins - Peter A. Robins
- Robison - Coleman R. Robison
- Robledo - Gerardo Lucio Robledo
- Robley - Augusta J. Robley
- Robnett - Christie J. Robnett
- Robolsky - H. Robolsky
- Rob.-Pass. - M.-F. Robert-Passini
- Robyns - Frans Hubert Edouard Arthur Walter Robyns
- Rocha Afonso - Maria da Luz de Oliveira Tavares Monteiro da Rocha Afonso
- Rochebr. - Alphonse Tremeau de Rochebrune
- Rochel - Anton Rochel
- Rock - Joseph Rock
- Rodenb. - W.F. Rodenburg
- Rodhe - W. Rodhe
- Rodig - Friedrich Weinhold Rodig
- Rodigas - Émile Rodigas
- Rodr. - José Demetrio Rodrígues
- Rodr.-Cabeza - Betsy Viviana Rodríguez-Cabeza
- Rodr.-Carr. - H. Rodríguez-Carrasquero
- Rodrigo - América del Pilar Rodrigo Trigo
- Rodway - Leonard Rodway
- Roem. - Johann Jakob Römer
- Roep. - Johannes August Christian Roeper
- Roezl - Benedict Roezl
- R.O.Fourn. - Robert O. Fournier
- Rogler - George Albert Rogler
- Rogow. - Athanasi Semenovich Rogowicz
- Rohde - Michael Rohde
- Röhl. - Johann Christoph Röhling
- Rohlena - Josef Rohlena
- Rohlfs - Friedrich Gerhard Rohlfs
- Rohmeder - Ernst Rohmeder
- Rohr - Julius Philip Benjamin von Rohr
- Rohrb. - Paul Rohrbach (botanist)
- Rohweder - Otto Rohweder
- Rohwer - Jens Gunter Rohwer
- Roig - Juan Tomás Roig y Mesa
- Roiv. - Heikki Roivainen
- Rojas - Teodoro Rojas
- Rojas Acosta - Nicolás Rojas Acosta
- Roitman - Germán G. Roitman
- Rojo - Justo P. Rojo
- Rol. - Daniel Rolander
- Rolfe - Robert Allen Rolfe
- Rollins - Reed Clark Rollins
- Rol.Schmidt - Roland Schmidt
- Romagn. - Henri Charles Louis Romagnesi
- Romanczuk - M.C. Romanczuk
- Romanova - Evfrosima Andreevna Romanova
- Romans - Bernard Romans
- Romero Zarco - Carlos Romero Zarco
- Romo - Ángel María Romo
- Romol. - Katya Romoleroux
- Romowicz - Agnieszka Romowicz
- Rondelet - Guillaume Rondelet
- Ronniger - Karl Ronniger
- Rønning Ronning - Olaf Inge Rønning
- Ronse Decr. - Louis-Philippe Ronse Decraene
- Roof - James B. Roof
- R.Ortega V. - Rafael Ortega Varela
- Rottb. - Christen Friis Rottbøll
- Roscoe - William Roscoe
- Rose - Joseph Nelson Rose
- Rosell. - Ferdinando Rosellini
- Roseman - Robin R. Roseman
- Rosemberg - J.A. Rosemberg
- Rosén - Johan Peter Rosén
- Roseng. - Bernardo Rosengurtt
- Rosenst. - Eduard Rosenstock
- Rosenstein - Nils Rosenstein
- Rosenstingl - Walter Rosenstingl
- Rosentr. - Roger Rosentreter
- Rosenthal - David August Rosenthal
- Rosenv. - Janus Lauritz Andreas Kolderup Rosenvinge
- Roshev. - Roman Julievich Roshevitz
- Roskov - Ju. R. Roskov
- Rosser - Effie Moira Rosser
- Rossi - Pietro Rossi
- Rossow - Ricardo A. Rossow
- Ross Tucker - Ross Tucker
- Rostk. - Friedrich Wilhelm Gottlieb Theophil Rostkovius
- Rostaf. - Józef Thomasz Rostafinsky
- Rostk. - Friedrich Wilhelm Gottlieb Theophil Rostkovius
- Rota - Lorenzo Rota
- Roth - Albrecht Wilhelm Roth
- Rothe - Heinrich August Rothe
- Rother - Wilhelm Otto Rother
- Rotheray - Lister Rotheray
- Rothers - Boris Rothers
- Rothert - Karol Wladislaw Adolfovich Rothert
- Rothm. - Werner Hugo Paul Rothmaler
- Rothman - Georg Rothman
- Rothmayr - Julius Rothmayr
- Rothpletz - Friedrich August Rothpletz
- Rothr. - Joseph Trimble Rothrock
- Rothsch. - Jules Rothschild
- Rottb. - Christen Friis Rottbøll
- Rottler - Johan Peter Rottler
- Round - Frank Eric Round
- Rousseau - Jean-Jacques Rousseau
- Roussel - Henri François Anne de Roussel
- Roure - L.A. Roure
- Rouy - Georges Rouy
- Rowan - Kingsley Spencer Rowan
- R.O.Williams - Robert Orchard Williams
- Rowland - Verner Hawsbrook Rowland
- Rowlee - Willard Winfield Rowlee
- Rowley - Willard Winfield Rowley
- Rowntree - Gertrude Ellen Lester Rowntree
- Roxb. - William Roxburgh
- Roy A.Young - Roy A. Young
- Royen - Adriaan van Royen
- Royle - John Forbes Royle
- Rozanov - Sergei Matveevich Rozanov
- Rozanova - Marie Alexandrovna Rozanova
- Roze - Ernest Roze
- Rozefelds - Andrew Carl Frank Rozefelds
- Rozeira - Arnaldo Deodata da Fonseca Rozeira
- Rozen - Betsy Rozen
- Rozier - François Rozier
- Rozin - A. Rozin
- Rozsypal - J. Rozsypal
- R.P.Adams - Robert Phillip Adams
- R.Paine - Roland Paine
- R.Palacios - Rodolfo Palacios-Chavez
- R.Parker - Richard Neville Parker
- R.P.Ellis - R.P. Ellis
- R.P.Gibson - Robert P. Gibson
- R.P.Hall - Richard P. Hall
- R.Phillips - Richard Phillips
- R.Piper - Richard Upton Piper
- R.P.John - R.P. John
- R.P.Roberts - Roland P. Roberts
- R.P.St.John - Robert Porter St.John
- R.P.White - Richard Peregrine White
- R.Rabev. - Raymond Rabevohitra
- R.Rauschert - R. Rauschert
- R.R.Davies - R.R. Davies
- R.R.Fern. - Robert R. Fernandes
- R.R.Fernandez - R.R. Fernandez
- R.R.Gates - Reginald Ruggles Gates
- R.R.Haynes - Robert Ralph Haynes
- R.Richardson - Richard Richardson
- R.R.Jain - Rana R. Jain
- R.R.Mill - Robert Reid Mill
- R.R.Rao - R.Raghavendra Rao
- R.R.Schmidt - Ronald R. Schmidt
- R.R.Scott - Robert Robinson Scott
- R.R.Silva - Rosilene Rodrigues Silva
- R.R.Stewart - Ralph Randles Stewart
- R.S.Adams - Russell S. Adams
- R.S.Almeida - Rafael S. Almeida
- R.Sánchez - Roberto Sánchez Montaño
- R.S.Beaman - Reed Schiele Beaman
- R.Schmidt - Robert Schmidt
- R.Schub. - Rudolph Schubert
- R.Schulz - Roman Schulz
- R.Schulze - Rudolfus Schulze
- R.Schust. - R. Schuster
- R.S.Cowan - Richard Sumner Cowan
- R.S.Hill - Robert Southey Hill
- R.S.Hunt - Richard Stanley Hunt
- R.S.Irving - Robert Stewart Irving
- R.S.Marsh - Ray Stanley Marsh
- R.S.Rogers - Richard Sanders Rogers
- R.S.Williams - Robert Statham Williams
- R.T.A.Cook - Roger T.A. Cook
- R.T.Almeida - Rogério T. Almeida
- R.T.A.Schouten - R.T.A. Schouten
- R.T.Baker - Richard Thomas Baker
- R.T.Clausen - Robert Theodore Clausen
- R.Timm - Rudolph Timm
- R.T.Moore - Royall T. Moore
- R.T.Paine - Robert T. Paine
- R.Tracey - R.Tracey
- R.Trevis. - Rafael Trevisan
- R.Trimen - Roland Trimen
- R.Tucker - Robert Tucker
- R.Turner - Roger Turner
- Rudall - Paula Rudall
- Rud.Bauer - Rudolf Bauer
- Rudd - Velva Elaine Rudd
- Rudge - Edward Rudge
- Rudolph - Johann Heinrich Rudolph
- Rudolphi - Karl Asmund Rudolphi
- Rued. - Rudolf Ruedemann
- Rueda - Ricardo M. Rueda
- Ruedi Peter - Ruedi Peter
- Ruel. - Johann Philipp Rueling
- Rueness - Jan Rueness
- Ruenge - Ruenge
- Ruffin - John Ruffin
- Rúgolo - Zulma E. Rúgolo
- Ruhsam - Markus Ruhsam
- Ruiz - Hipólito Ruiz López
- Ruíz Oronoz - Manuel Ruíz Oronoz
- Ruíz-Terán - Luis Enrique Ruíz-Terán
- Ruíz Torre - Juan Ruíz de la Torre
- Rulamort - M.de Rulamort
- Rule - K. Rule
- Rumbold - Caroline Thomas Rumbold
- Rumjantsev - S.D. Rumyantsev
- Rummelsp. - Joerg Rummelspacher
- Rumph. - Georg Eberhard Rumphius
- Rümpler - Karl Theodor Rümpler
- Rundel - Philip Wilson Rundel
- Rundina - L.A. Rundina
- Rune - Nils Olof Rune
- Runemark - Hans Runemark
- Runge - C. Runge
- Rungius - Christian Rungius
- Rungby - Svend Rungby
- Runyon - H.Everett Runyon
- Rupp - Herman Montague Rucker Rupp
- Rüppell - Wilhelm Peter Eduard Simon Rüppell
- Ruppius - Heinrich Bernhard Rupp
- Ruppr. - Johann Baptist Rupprecht
- Rupr. - Franz Josef Ruprecht
- Rup.Schmid - Rupertus Schmid
- Rusby - Henry Hurd Rusby
- Ruschenb. - William Samuel Waithman Ruschenberger
- Ruschi - Augusto Ruschi
- Ruscoe - Q.W. Ruscoe
- Rushforth - K.D. Rushforth
- Russell - Alexander Russell
- Rutherf. - Daniel Rutherford
- Ruttner - Franz Ruttner
- Ruyle-Dougl. - Gloria Ruyle-Douglas
- R.Vacherot - R. Vacherot
- R.Vásquez - Roberto Vásquez
- R.V.Gessner - Robert V. Gessner
- R.V.Howard - R.Vince Howard
- R.Vig. - René Viguier
- R.Vilm. - Roger Marie Vincent Philippe Lévêque de Vilmorin
- R.V.Valmayor - Ramon V. Valmayor
- R.Wagner - Rudolf Wagner
- R.Wahl - Rainer Wahl
- R.Walker - Richard Walker
- R.Warner - Robert Warner
- R.W.Haines - Richard Wheeler Haines
- R.W.Barnes - Richard W. Barnes
- R.W.Baxter - Robert W. Baxter
- R.W.Br. - Roland Wilbur Brown
- R.W.Darwin - Robert Waring Darwin
- R.W.Davidson - Ross Wallace Davidson
- R.Wegener - Rainer Wegener
- R.W.Gould - R.W. Gould
- R.Wilczek - Rudolf Wilczek
- R.Williams - Robert Williams (botanist) Robert Williams (mycologist)
- R.W.Michel - Rudolf Wilhelm Michel
- R.Wolf - Richard Wolf
- R.Woodw. - Robert Woodward
- R.W.Phillips - Reginald William Phillips
- R.W.Pohl - Richard Walter Pohl
- R.W.Rogers - Roderick Westgarth Rogers
- R.W.Scott - Robert W. Scott
- R.X.Li - Rong Xi Li
- R.Y.Anderson - R.Y. Anderson
- Rydb. - Per Axel Rydberg
- Rye - Barbara Lynette Rye
- R.Y.Li - Ruo Yu Li
- Rzed. - Jerzy Rzedowski
S
edit- Sa'ad - Fatima El-Zahra Mahmoud Sa'ad
- Saag - Andres Saag
- Saage - Martin Joseph Saage
- Saar - Dayle E. Saar
- Saarela - Jeffery Michael Saarela
- Saarenoksa - Reima Saarenoksa
- Saarsoo - Bernhard Saarsoo
- Saavedra - Mariana Machado Saavedra
- Sabatier - Daniel Sabatier
- Sabato - Sergio Sabato
- Sabine - Joseph Sabine
- Sacc. - Pier Andrea Saccardo
- Sachar - G.S. Sachar
- Sachet - Marie-Hélène Sachet
- Sachokia - Michail Fedorovic Sachokia
- Sachs - Julius von Sachs
- Sachse - Carl Traugott Sachse
- Saddi - Nagib Saddi
- Sad.Suzuki - Sadao Suzuki
- Sáenz de Rivas - Concepción Sáenz de Rivas
- Saëz - Henri Saëz
- Sagara - Naohiko Sagara
- Sagást. - Abundio Sagástegui
- Sageret - Augustin Sageret
- Sagiroglu - Mehmet Sagiroglu
- S.A.Gómez - S.A. Gómez
- Sagorski - Ernst Adolf Sagorski
- Sagot - Paul Antoine Sagot
- Sagra - Ramón de la Sagra
- S.A.Graham - Shirley Ann Tousch Graham
- Sagredo - Rufino Sagredo
- Saff. - William Edwin Safford
- S.A.Hammer - Steven A. Hammer
- S.A.J.Pocock - Stanley Albert John Pocock
- Sala - Carlos A. Sala
- Salazar - Gerardo A. Salazar
- Salisb. - Richard Anthony Salisbury
- Salm-Dyck - Joseph de Salm-Reifferscheidt-Dyck
- Salomon - Carl E. Salomon
- Salonen - A. Salonen
- Salter - Samuel James Augustus Salter
- Saltonst. - Kristin Saltonstall
- Salvin - Osbert Salvin
- Salzm. - Philipp Salzmann
- Sam. - Gunnar Samuelsson
- Samant - S.S. Samant
- Samarit. - Giovanni Battista Samaritani
- Sambo - Maria Sambo
- Sambuc - Camille Sambuc
- S.A.Mori - Scott A. Mori
- Samouts. - M.M. Samoutsevitch
- Samp. - Gonçalo António da Silva Ferreira Sampaio
- Sampson - Kathleen Sampson
- Sams.-Aruffo - Caterina Samsonoff-Aruffo
- Samson - Robert Archibald Samson
- Samsuddin - Wahid bin Samsuddin
- Samuel - Geoffrey Samuel
- Samuels - Gary Joseph Samuels
- Samuelson - D.A. Samuelson
- Samzelius - Abraham Samzelius
- Sánchez Vega - Isidoro Sánchez Vega
- Sand. - John Sanderson
- Sande Lac. - Cornelius Marinus van der Sande Lacoste
- Sandéen - Peter Fredrik Sandéen
- Sander - Henry Frederick Conrad Sander
- Sanders - Elizabeth Percy Sanders
- Sández - E. Sández
- S.Andrews - Susyn M. Andrews
- Sandwith - Noel Yvri Sandwith
- San Felice - Francesco San Felice
- Sanio - Carl Gustav Sanio
- Sanjappa - Munivenkatappa Sanjappa
- Sanoja - Elio Sanoja
- Sanso - Andrea Mariel Sanso
- Santa - Sebastien Santa
- Santana - Elvinia Santana-Castaneda
- Santana Mich. - Francisco J. Santana Michel
- Sant'anna - Celia Leite Sant'anna
- Santel. - Bernabé Santelices
- Santi - Giorgio Santi
- Santin - Dionete Aparecida Santin
- Santisuk - Thawatchai Santisuk
- Santos - José Vera Santos
- San Y.Chen - San Yang Chen
- Saporta - Gaston de Saporta
- Sarasin - Karl Friedrich Sarasin
- Sarg. - Charles Sprague Sargent
- Sarmiento - M.N.R.de Sarmiento
- Sarnth. - Ludwig von Sarnthein
- S.A.Rosenthal - S.A. Rosenthal
- Sart. - Giovanni Battista Sartorelli
- Sartori - Joseph Sartori
- Sartwell - Henry Parker Sartwell
- Sastre - Claude Henri Léon Sastre
- Satow - Ernest Mason Satow
- S.A.Tyler - Stanley A. Tyler
- Sauck - Jane Rees Sauck
- Sauer - Friedrich Ludwig Ferdinand Sauer
- Sauleda - Ruben Primitivo Sauleda
- Saunders - William Wilson Saunders
- Saupe - Karl Alwin Saupe
- Sauss. - Horace-Bénédict de Saussure
- Saut. - Anton Eleutherius Sauter
- Sauv. - Camille Francois Sauvageau
- Sauvage - Charles Philippe Felix Sauvage
- Sauvages - François Boissier de Sauvages de Lacroix
- Sauvaigo - Emile Sauvaigo
- Sauvalle - Francisco Adolfo Sauvalle
- Sauz - Jean Charles Sauz
- Sauzé - Jean Charles Sauzé
- Sav. - Paul Amédée Ludovic Savatier
- Savi - Gaetano Savi
- Savign. - Francesco Savignone
- Savigny - Jules-César Savigny Marie Jules César Lélorgne de Savigny
- Savul. Savul. - Traian Savulescu
- S.A.Whitmore - S.A. Whitmore
- S.A.Williams - S.A. Williams
- Say - Thomas Say
- S.B.Andrews - S.Brian Andrews
- S.Banerjee - Sachindranath Banerjee
- S.B.Gontch. - Svetlana B. Gontcharova
- S.Biswas - Sas Biswas
- S.B.Jundz. - Stanislaw Bonifacy Jundzill
- S.Br. - Stewardson Brown
- S.Brack - S. Brack
- S.B.Young - S.B. Young
- Scannell - M.J.P. Scannell
- Scappini - Elena G. Scappini
- S.Carter - Susan Carter Holmes
- S.C.Arroyo - Silvia C. Arroyo
- S.Castro - Sílvia Castro
- S.C.Ayala - Stephen C. Ayala
- S.C.Chen - Sing Chi Chen
- S.C.Darwin - Sarah C. Darwin
- S.C.Dixit - S.C. Dixit
- S.Chacón - Santiago Chacón
- Schaeff. - Jacob Christian Schaeffer
- Schaer. - Ludwig Emanuel Schaerer
- Scharf - Uwe Scharf
- Schauer - Johannes Conrad Schauer
- S.C.H.Barrett - Spencer C. H. Barrett
- Sch.Bip. - Carl Heinrich Bipontinus Schultz Carl Heinrich Schultz Bipontinus
- Scheele - George Heinrich Adolf Scheele
- Scheff. - Rudolph Herman Christiaan Carel Scheffer
- Scheid. - Christoph Scheidegger
- Scheidw. - Michael Joseph François Scheidweiler
- Scheinvar - Leia Scheinvar
- Schelle - Ernst Schelle
- Schelpe - Edmund André Charles Lois Eloi Schelpe
- S.Cheng - Sieh Cheng
- Schenk - Joseph August Schenk
- Scherb. - Johannes Scherbius
- Scheuchzer f. - Johannes Scheuchzer
- Schiavone - María Magdalena Schiavone
- Schicchi - R. Schicchi
- Schick-Freib. - Carl Schick-Freiburg
- Schidlay - Eugen Schidlay
- Schindl. - Anton Karl Schindler
- Schiede - Christian Julius Schiede
- Schikora - Friedrich Schikora
- Schimp. - Guillaume Philippe Schimper
- Schinini - Aurelio Schinini
- Schinz - Hans Schinz
- Schischk. - Boris Konstantinovich Schischkin
- Schlechter - Friedrich Richard Rudolf Schlechter
- Schleid. - Matthias Jakob Schleiden
- Schlich - Wilhelm Philip Daniel Schlich
- Schlieb. - Hans-Joachim Eberhardt Schlieben
- Schlieph. - Karl Schliephacke
- Schlim - Louis Joseph Schlim
- Schlittler - Jakob Schlittler
- Schljakov - Roman Nicolaevich Schljakov
- Schltdl. - Diederich Franz Leonhard von Schlechtendal
- Schltr. - Rudolf Schlechter
- Schmalh. - Johannes Theodor Schmalhausen
- Schmarda - Ludwig K. Schmarda
- Schmarse - Helmut Schmarse
- Schmeil - Franz Otto Schmeil
- Schmeiss - Oskar Schmeiss
- Schmid - Ernst Ehrhard Friedrich Wilhelm Schmid
- Schmidel - Casimir Christoph Schmidel
- Schmidely - Auguste Isaac Samuel Schmidely
- Schmid-Heckel - Helmuth Schmid-Heckel
- Schmidle - Wilhelm Schmidle
- Schmidlin - Eduard Schmidlin
- Schmidt - Franz Schmidt
- Schmidtke - Ernst Schmidtke
- Schmidt-Leb. - Alexander Nikolai Schmidt-Lebuhn
- Schmidt-M. - Udo Schmidt-Mumm
- Schmied. - Martin Schmiedeknecht
- Schmitt - Joseph Schmitt
- Schmitter - Schmitter
- Schmittner - Stella M. Schmittner
- Schnizl. - Adalbert Carl Friedrich Hellwig Conrad Schnizlein
- Schnittsp. - Georg Friedrich Schnittspahn
- Schodde - Richard Schodde
- Schönb.-Tem. - Eva Schönbeck-Temesy
- Schönl. - Johann Lucas Schönlein
- Schönland - Selmar Schönland
- Schou - Jens Christian Schou
- Schousb. - Peder Kofod Anker Schousboe
- Schouw - Joakim Frederik Schouw
- Schott - Heinrich Wilhelm Schott
- Schottky - Ernst Max Schottky
- Schrad. - Heinrich Adolph Schrader
- Schrank - Franz von Paula Schrank
- Schreb. - Johann Christian von Schreber
- Schreck - Christophorus Jacobus Schreck
- Schreib. - Hermann Rudolph Ferdinand Schreiber
- Schreibers - Carl Franz Anton von Schreibers
- Schreiner - Ernst Jefferson Schreiner
- Schrenk - Alexander Gustav von Schrenk
- Schreurs - J. Schreurs
- Schrödinger - Rudolf Schrödinger
- Sch.Rodr. - Rodrigo Schütz Rodrigues
- S.C.Huang - Shu Chung Huang
- Schub. - Gotthilf Heinrich von Schubert
- Schube - Theodor Schube
- Schübl. - Gustav Schübler
- Schuch. - Conrad Gideon Theodor Schuchardt
- Schuette - Joachim Heinrich Schuette
- Schuez - Georg Emil Carl Christoph Schuez
- Schuh - Richard Edwin Schuh
- Schuit. - André Schuiteman
- Schuldt - H. Schuldt
- Schulkina - T.V. Schulkina
- Schuler - Johann Alois Ernst Schuler
- Schulm. - O.von Schulmann
- Schulman - Leif Schulman
- Schulp - Henk Schulp
- Schult. - Josef August Schultes
- Schult.f. - Julius Hermann Schultes
- Schultz - Carl Friedrich Schultz
- Schultz Sch. - Carl Heinrich Schultzenstein Schultz
- Schulz-Danzig - Paul Schulz-Danzig
- Schulze-Menz - Georg Karl Wilhelm Schulze-Menz
- Schulzer - Stephan V.M. Schulzer von Müggenburg
- Schulz-Korth - Karl Schulz-Korth
- Schulz-Wedd. - I.H. Schulz-Weddigen
- Schum. - Julius Heinrich Karl Schumann
- Schumach. - Heinrich Christian Friedrich Schumacher
- Schumacker - Rene Leonard A. Schumacker
- Schumm - Felix Schumm
- Schummel - Theodor Emil Schummel
- Schur - Philipp Johann Ferdinand Schur
- Schüssler - Hermann Schüssler
- Schussnig - Bruno Schussnig
- Schustler - Frantisek Schustler
- Schutte - Anna Louise Schutte
- Schütz - Bogumil Schütz
- Schütze - Peter Schütze
- Schutzman - Bart Schutzman
- Schuurman - Johanna F.M. Schuurman
- Schuurm.Stekh. - Jacobus Hermanus Schuurmans Stekhoven
- Schuyler - Alfred Ernest Schuyler
- Schwabe - Samuel Heinrich Schwabe
- Schwacke - Carl August Wilhelm Schwacke
- Schwaigh. - Anton Schwaighofer
- Schwalb - Karl Josef W. Schwalb
- Schwan. - Carl Schwanecke
- Schwann - Theodor Schwann
- Schwantes - Martin Heinrich Gustav Schwantes
- Schwapp. - Adam F. Schwappach
- Schwartz - Ernest Justus Schwartz
- Schwarz - Cornel Schwarz
- Schweigg. - August Friedrich Schweigger
- Schweick. - Herold Georg Wilhelm Johannes Schweickerdt
- Schwein. - Lewis David von Schweinitz
- Schweinf. - Georg August Schweinfurth
- Schwend. - Simon Schwendener
- Schwer. - Fritz Kurt von Schwerin
- S.C.Jain - S.C. Jain
- S.C.Lee - Shun Ching Lee
- S.C.Li - Shu Chun Li
- S.Cochrane - Susan A. Cochrane
- S.Comes - Salvatore Comes
- Scop. - Giovanni Antonio Scopoli
- Scott-Elliot - George Francis Scott-Elliot
- Scribn. - Frank Lamson Scribner
- S.C.Sand. - Stewart C. Sanderson
- S.Curtis - Samuel Curtis
- S.C.Tang - Sai Chun Tang
- S.D.Baker - Shirley D. Baker
- S.Díaz - Santiago Díaz Píedrahíta
- S.D.Jones - Stanley D. Jones
- S.D.Knapp - Susan D. Knapp
- S.D.Koch - Stephen D. Koch
- S.D.Li - S.D. Li
- S.Dressler - Stefan Dressler
- S.D.Shen - Shu Duan Shen
- S.D.Sundb. - Scott D. Sundberg
- S.D.Zhang - S.D. Zhang
- Sealy - Joseph Robert Sealy
- Sebast. - Francesco Antonio Sebastiani
- Sebert - Hippolyte Sebert
- Sebsebe - Sebsebe Demissew
- Secco - Ricardo de Sousa Secco
- Séchet - M. Séchet
- Séchier - P. Séchier
- Seckt - Heinrich Karl Felix Hans Seckt
- Secondat - Jean-Baptiste de Secondat
- Secr. - Louis Secretan
- S.E.Dawson - Sally Emma Dawson
- Sedgw. - Leonard John Sedgwick
- Seeligm. - Peter Seeligmann
- Seem. - Berthold Carl Seemann
- Seemen - Karl Otto von Seemen
- Seetzen - Ulrich Jaspar Seetzen
- Ség. - Jean-François Séguier
- S.E.Gómez - Silvia E. Gómez
- Seibert - Russell Jacob Seibert
- Seidenf. - Gunnar Seidenfaden
- Seigler - David Stanley Seigler
- Seithe - Almut Seithe
- Seits - Tobias Anton Seits
- Seitz - Ludwig Seitz
- Selander - Nils Sten Edvard Selander
- Selland - Sjur Knutsen Selland
- Sellar - P.W. Sellar
- Selling - Olof Hugo Selling
- Sello - Hermann Ludwig Sello
- Sellow - Friedrich Sellow
- Selma - Caridad Selma Fernández
- Selkirk - D.R. Selkirk
- Selvi - Federico Selvi
- Sélys-Longch. - Michel Edmond de Sélys-Longchamps
- Semen. - Peter Petrovich von Semenov-Tjan-Schansky
- Semir - João Semir
- Semple - John Cameron Semple
- Senaratna - S.D.J.E. Senaratna
- Senay - Pierre Senay
- Senck. - Johann Christian Senckenberg
- Sencke - Ferdinand Sencke
- Sendtn. - Otto Sendtner
- Sendulsky - Tatiana Sendulsky
- Seneb. - Jean Senebier
- Sénécl. - Adrien Sénéclauze
- Senft - Christian Carl Friedrich Ferdinand Senft
- Senghas - Karlheinz Senghas
- Senn - Gustav Alfred Senn
- Sennen - padre Sennen Hno. Sennen
- Sen Y.Chen - Sen Yu Chen
- S.E.Parodi - S.E. Parodi
- Ser. - Nicolas Charles Seringe
- Serebr. - T. J. Serebrjakova
- Sesl. - Leonard Sesler
- Sesma - Begoña Sesma
- Sessé - Martín Sessé y Lacasta
- Sest. - Domenico Sestini
- Setch. - William Albert Setchell
- Seub. - Moritz August Seubert
- Seung K.Lee - Seung Kyu Lee
- Severin - Viorel Severin
- Seward - Albert Charles Seward
- Seybold - Siegmund Gerhard Seybold
- S.F.Blake - Sidney Fay Blake
- S.F.Fang - Sin Fang Fang
- S.F.Gu - Shu Fen Gu
- S.F.Huang - Shing Fan Huang
- S.García - Susana García
- S.Geuns - Steven Jan van Geuns
- S.Gibson - Samuel Gibson
- S.G.Gmel. - Samuel Gottlieb Gmelin
- S.G.M.Carr - Stella Grace Maisie Carr
- S.Gould - S. Gould
- S.G.Paine - Sydney Gross Paine
- S.G.Panigrahi - Sarojini G. Panigrahi
- S.G.Skinner - S.G. Skinner
- S.G.Stephens - Stanley George Stephens
- Shaver - Jesse Milton Shaver
- Shafer - John Adolph Shafer
- S. & Z. - Philipp Franz von Siebold Siebold & Joseph Gerhard Zuccarini Zuccarini
- S.Hammer - Samuel Hammer
- Shan Chen - Shan Chen
- Shao F.Chen - Shao Feng Chen
- Sharsm. - Carl Sharsmith Carl William Sharsmith
- Shaw - George Russell Shaw
- S.H.Cheng - Sze Hsu Cheng
- Shear - Cornelius Lott Shear
- Shecut - John Linnaeus Edward Whitridge Shecut
- Sheidai - Masoud Sheidai
- Sheng Feng Li - Sheng Feng Li
- Sheppard - Harriet Campbell Sheppard
- Sherard - William Sherard
- S.Herrera - Sara Herrera
- Sherff - Earl Edward Sherff
- Sheue - Chiou-Rong Sheue
- S.H.Huang - Shu Hua Huang
- Shibata - Keita Shibata
- Shi Chen - Shi Chen
- Shig.Suzuki - Shigetaka Suzuki
- Shi J.Li - Shi Jin Li
- Shi L.Chen - Shi Long Chen
- Shin - Toshio Shin
- Shin C.Lee - Shin Chiang Lee
- Shingh - K.H. Shingh
- Shin.Ito - Shin-ichiro Ito
- Shinners - Lloyd Herbert Shinners
- Shinoda - Takako Shinoda
- Shinwari - Zabta Khan Shinwari
- Shipley - Arthur Everett Shipley
- Shiras. - Homi Shirasawa
- Shiz.Ito - Shizuo Ito
- S.H.Lee - Shu Hsien Lee
- S.H.Li - Shang Hao Li
- Shoji Suzuki - Shoji Suzuki
- Short - Charles Wilkins Short
- S.H.Park - Soo Hyun Park
- S.H.Pollock - S.H. Pollock
- S.H.Sung - Sun Huang Sung
- S.H.Tang - Si Hua Tang
- Shumard - Benjamin Shumard
- Shurly - Ernest William Shurly
- Shuttlew. - Robert James Shuttleworth
- Sibth. - John Sibthorp
- S.I.Drewes - Susanna I. Drewes
- Siebenl. - Siebenlist
- Sieber - Franz Sieber
- Siebert - August Siebert
- Siebold or Sieb. - Philipp Franz von Siebold
- Siegerist - E.S. Siegerist
- Siegesb. - Johann Georg Siegesbeck
- S.I.Elias - Samira Ismael Elias
- Siesm. - Franz Heinrich Siesmayer
- Siev. - Johann Erasmus Sievers
- Si Feng Li - Si Feng Li
- Silba - John Silba
- Silva Manso - António Luiz Patricio da Silva Manso
- Silva Vidal - R.da Silva Vidal
- Silvestre - Santiago Silvestre Domingo
- Sim - Thomas Robertson Sim
- Simagin - V. S. Simagin
- S.Imai - Sanshi Imai
- Simeria - G. Simeria
- Simion. - Ioan Th. Simionescu
- Simler - Rudolf Theodor Simler
- Simmer - Hans Simmer
- Simmers - Richard W. Simmers
- Simmonds - Joseph Henry Simmonds
- Simmons - Hermann George Simmons
- Simon - Eugène Simon
- Simonetti - Ester Simonetti
- Simon-Louis - Leon L. Simon-Louis
- Simonk. - Lajos von Simonkai
- Simpson - Charles Torrey Simpson
- Sims - John Sims
- Singer - Rolf Singer
- Sinskaya - Eugeniya Nikolayevna Sinskaya
- Sint. - Paul Ernst Emil Sintenis
- Sirj. - Grigorij Ivanovic Širjajev
- S.Ito - Seiya Ito
- S.Jain - S. Jain
- S.J.Chen - Sen Jen Chen
- S.J.Cheng - Shi Jun Cheng
- S.J.Davies - Stuart James Davies
- S.Jess. - Stefan Jessen
- S.Jiménez - Sabrina Jiménez
- S.J.Lee - Seon Ju Lee
- S.J.Li - Shu Jiu Li
- S.Joly - Sophie Joly
- S.J.Park - Seon Joo Park
- S.J.Siebert - S.J. Siebert
- S.J.Stanley - Susan J. Stanley
- S.J.van Leeuwen - S.J. van Leeuwen
- S.J.Walker - S.J. Walker
- S.J.Wolf - Steven J. Wolf
- S.J.Xu - Song Jun Xu
- S.J.Zhu - Shi Jie Zhu
- Skan - Sidney Alfred Skan
- S.K.Dixit - S.K. Dixit
- Skeels - Homer Collar Skeels
- S.Keller - Siegfried Keller
- Skipw. - John Peyton Skipworth
- S.K.Jain - Sudhanshu Kumar Jain
- S.K.Lee - Shu Kang Lee
- S.Knapp - Sandra Diane Knapp
- S.Koehler - Samantha Koehler
- Skottsb. - Carl Skottsberg
- Skovst. - Aage Thorsen Skovsted
- Skvortsov - Boris Vassilievich Skvortsov
- S.Krasch. - Stephan Petrovich Krascheninnikov
- Skuja - Heinrich Leonhards Skuja
- Skutch - Alexander Frank Skutch
- S.Lane - Stewart Sedgwick Lane
- Slanis - Alberto C. Slanis
- Slavin - Berhard Henry Slavin
- S.L.Chang - S.L.Chang
- S.L.Cheng - Shu Lan Cheng
- S.L.Clark - Stephen L. Clark
- Sledge - William Arthur Sledge
- S.Lee - Sangtae Lee
- Sleumer - Hermann Otto Sleumer
- S.L.Hatch - Stephan LaVor Hatch
- S.L.Jain - Seema Lata Jain
- S.L.Mo - Sin Li Mo
- Sloane - Hans Sloane
- Slooff - Wilhlemina Ch. Slooff
- Slooten - Dirk Fox van Slooten
- Slootweg - A.F.G. Slootweg
- Sloss. - Margaret Slosson
- S.L.Rose - Sharon L. Rose
- S.L.Stewart - Scott L. Stewart
- S.Lund - Søren Jenssen Lund
- S.L.Welsh - Stanley Larson Welsh
- S.L.Wolff - S.L.Wolff
- Slysh - Anton R. Slysh
- Sm. - James Edward Smith
- Smale - T.C. Smale
- Small - John Kunkel Small
- Smalla - Milan Smalla
- Smalley - Eugene Byron Smalley
- S.M.Almeida - Sarah M. Almeida
- S.Marchand - S. Marchand
- Smarda Šmarda - Jan Smarda
- Smarods - Julius Smarods
- S.Martínez - Susana Martínez
- S.M.Baker - Sarah Martha Baker
- S.McCoy - Scott McCoy
- S.McPherson - Stewart McPherson
- S.M.Francis - Sheila M. Francis
- S.M.Lewis - Sara M. Lewis
- S.M.Niño - Santos Miguel Niño
- S.Moore - Spencer Le Marchant Moore
- S.Morris - Samuel Morris
- S.M.Phillips - Sylvia Mabel Phillips
- S.M.Scott - S.M. Scott
- S.M.Thomas - Sandra M. Thomas
- Smundin - Luciana Smundin
- Smuts - Jan Christiaan Smuts
- S.Mutis - Sinforoso Mutis
- S.M.Xu - Shun Mei Xu
- S.M.Young - Stephen M. Young
- Smyth - Bernard Bryan Smyth
- Smythies - Bertram E. Smythies
- Snarskis - Povilas Petrovich Snarskis
- S.N.Biswas - Samarendra Nath Biswas
- S.N.Dixit - S.N. Dixit
- Snethl. - Emil Heinrich Snethlage
- Snijman - Dierdre Snijman
- Snogerup - Sven E. Snogerup
- Snowden - Joseph Davenport Snowden
- Soderstr. - Thomas Robert Soderstrom
- Sodiro - Luis Sodiro
- Soegeng - Wertit Soegeng-Reksodihardjo
- Soepadmo - Engkik Soepadmo
- Sohns - Ernest Reeves Sohns
- Soják - Jirí Soják
- Sol. or Solander - Daniel Solander
- Solacolu - Theodor Solacolu
- Soladoye - Michael O. Soladoye
- Solanas - José Luis Solanas
- Solank. - R.T. Solankure
- Solanke - S.N. Solanke
- Soláns - María José Soláns
- Solari - Silvia Susana Solari
- Solbrig - Otto Thomas Solbrig
- Solch - A. Solch
- Soldano - Adriano Soldano
- Sole - William Sole
- Soleirol - Henry Augustin Soleirol
- Solel - Z. Solel
- Solem. - Johanne Viktor Ludwig Andreas Georg Solemacher-Antweiler
- Soler. - Hans Solereder
- Solheim - Wilhelm Gerhard Solheim
- Solier - Antoine Joseph Jean Solier
- Solkina - A.F. Solkina
- Solms - Hermann Maximilian Carl Ludwig Friedrich zu Solms-Laubach
- Solomon - James C. Solomon
- S.Olsen - Sigurd Olsen
- Soltis - Douglas E. Soltis
- Sommier - Carlo Pietro Stefano Sommier
- Sond. - Otto Wilhelm Sonder
- Songeon - André Songeon
- Sonn. - Pierre Sonnerat
- Soó - Rezso Soó Karoly Rezso Soó von Bere
- Soong - Z.P. Soong
- Sordelli - Ferdinando Sordelli
- Soreng - Robert John Soreng
- Sørensen - Henrik Lauritz Sørensen
- Sosn. - Dmitrii Ivanovich Sosnowsky
- Soto Arenas - Miguel Ángel Soto Arenas
- Soukup - Jaroslav Jenicek Soukup
- Soul.-Bod. - Étienne Soulange-Bodin
- Soulaire - Jacques Soulaire
- Soulié - Joseph Auguste Soulié
- Sousa Costa - Nuno Maria Sousa Costa
- Sowerby - James Sowerby
- Soyaux - Hermann Soyaux
- Söyrinki - Niilo Söyrinki
- Soy.-Will. - Hubert Félix Soyer-Willemet
- S.P.Abbott - Sean P. Abbott
- S.P.Abraham - S.P. Abraham
- Spach - Edouard Spach
- Spall. - Lazzaro Spallanzani
- Span. - Johan Baptist Spanoghe
- S.Panda - S. Panda
- Spangler - Russell Edwin Spangler
- Spann. - Candidus Spannagel
- Spanowski - Wolfram Spanowski
- Spargo - Mildred Webster Spargo
- Sparling - Shirley Ray Sparling
- Sparre - Benkt Sparre
- Sparrius - Laurens Benjamin Sparrius
- Sparrm. - Anders Sparrman
- Sparrow - Frederick Kroeber Sparrow
- S.P.Banerjee - S.P. Banerjee
- S.P.Darwin - Steven P. Darwin
- Speg. - Carlo Luigi Spegazzini
- Speke - John Hanning Speke
- Spellenb. - Richard William Spellenberg
- Spenn. - Fridolin Carl Leopold Spenner
- Sperling - Calvin Ross Sperling
- Speta - Franz Speta
- Spin - Spin (botanist) Marquis de Spin Marqués de Spigno Marquese di Spigno Marquese de Spigno
- Spinedi - Horacio A. Spinedi
- Spix - Johann Baptist von Spix
- S.P.Li - Sung Po Li
- Splitg. - Frederik Louis Splitgerber
- S.P.Lynch - Steven P. Lynch
- S.P.McLaughlin - Steven Paul McLaughlin
- S.P.Mathew - Sam P. Mathew
- Spongberg - Stephen Alan Spongberg
- S.Pons - Simon Pons
- Spooner - Brian Martin Spooner
- Sporl. - Friedrich Wilhelm Sporleder
- Sprague - Thomas Archibald Sprague
- Spreng. - Kurt Sprengel
- Sprenger - Carl Ludwig Sprenger
- Sprib. - Franz Joseph Spribille
- Spriest. - Julius Spriestersbach
- Spring - Antoine Frédéric Spring
- Spring. - L.S. Springate
- Springael - Roger F. Springael
- Spruce - Richard Spruce
- Spruner - Wilhelm von Spruner
- S.Q.Chen - Shao Qin Chen
- S.Q.Ding - Su Qin Ding
- S.Q.Li - S.Q. Li
- S.Q.Nie - S.Q.Nie
- Srebrod. - I.N. Srebrodolskaja
- Sred. - Nicolia K. Sredinsky
- Sreek. - P.V. Sreekumar
- Sreekala - Sreekala K. Nair
- Sreem. - C.P. Sreemadhavan
- Steyerm - Julian Alfred Steyermark
- S.R.Hall - Sam Rutherford Hall
- S.R.Hill - Steven Richard Hill
- S.R.Howell - S.R. Howell
- S.Ríos - Segundo Ríos
- S.Rossi - Stefano Rossi
- S.R.Stewart - Sara R. Stewart
- S.R.Thomas - S.R. Thomas
- S.Ruíz - Sebastien Joseph López Ruíz
- S.S.Almeida - Samuel Soares de Almeida
- S.S.Beer - Svetlana S. Beer
- S.Schust. - S. Schuster
- S.S.Denison - Stella S. Denison
- S.S.Dubois - Saint Séverin Dubois
- S.S.Jain - S.S. Jain
- S.S.Kang - Soon Suk Kang
- S.S.Larsen - Supee Saksuwan Larsen
- S.S.Lee - Su See Lee
- S.Stewart - Samuel Alexander Stewart
- S.Suárez - Stella Suárez
- S.Suzuki - Shizuo Suzuki
- S.S.White - Stephen S. White
- S.S.Ying - Shao Shun Ying
- Stace - Clive Anthony Stace
- Stadman - Stadman
- Stahl - Christian Ernst Stahl
- St.-Amans - Jean Florimond Boudon de Saint-Amans
- Stan.Carter - Stanley Carter
- Standl. - Paul Carpenter Standley
- Stankov - Sergei Sergeevich Stankov
- Stanley - Trevor Donald Stanley
- Stapf - Otto Stapf
- Staples - George William Staples
- Stapleton - Christopher Mark Adrian Stapleton
- Staplin - Frank Lyons Staplin
- Stapp - Carl Stapp
- Staudt - Günther Staudt
- Staunton - George Leonard Staunton
- S.T.Blake - Stanley Thatcher Blake
- S.T.Chen - Shao Tian Chen
- Stead - J.W. Stead
- Stearn - William Thomas Stearn
- Stearns - Samuel Stearns
- Stebbins - G. Ledyard Stebbins
- Steenh. - Anna Johanna Steenhauer
- Steenis - Cornelis Gijsbert Gerrit Jan van Steenis
- Steenstr. - Johannes Japetus Smith Steenstrup
- Steetz - Joachim Steetz
- Stef. - Boris Stefanoff
- Stefani - Carlo de Stefani
- Stehlé - Henri Stehlé
- Steibel - Pedro Eduardo Steibel
- Stein - Berthold Stein
- Steinm. - Johann Heinrich Conrad Gottfried Gustav Steinmann
- Steller - Georg Wilhelm Steller
- Stellfeld - Carlos Stellfeld
- Steph. - Franz Stephani
- Stephan - Christian Friedrich Stephan
- Stephanitz - Alexander Ludwig Stephanitz
- Stephens - Edith Layard Stephens
- Sternb. - Kaspar Maria von Sternberg
- Sterner - Karl Rikard Sterner
- Sterns - Emerson Ellick Sterns
- Steud. - Ernst Gottlieb von Steudel
- Steven - Christian von Steven
- Stewart - Robert Stewart
- Steyerm. - Julian Alfred Steyermark
- S.T.Fang - Si Tzen Fang
- S.Thomas - Sarah Thomas
- S.Thomson - Spencer Thomson
- Stiles - Charles Wardell Stiles
- Stirt. - James Stirton
- Stizenb. - Ernst Stizenberger
- St.-Lag. - Jean Baptiste Saint-Lager
- Stockdale - Phyllis Margaret Stockdale
- Stocker - Otto Stocker
- Stockey - Ruth A. Stockey
- Stockh. - Robert E. Stockhouse
- Stocking - Kenneth Morgan Stocking
- Stockm. - Siegfried Stockmayer
- Stockmans - Francois Stockmans
- Stocks - John Ellerton Stocks
- Stockw. - William Palmer Stockwell
- Stodder - Charles Stodder
- Stoj. - Nikolai Andreev Stojanov
- Stokes - Jonathan S. Stokes
- Stoliczka - Ferdinand Stoliczka
- Stolze - Robert G. Stolze
- Storch - Franz de Paula Storch
- Storm - Vilhelm Ferdinand Johan Storm
- Stotl. - Raymond Eugene Stotler
- Stout - Arlow Burdette Stout
- Strachan - Jeffrey L. Strachan
- Strachey - Richard Strachey
- Strack - Dieter Strack
- Stradner - Herbert Stradner
- Strähler - Adolf Strähler
- Strail - Charles Antoine Strail
- Straley - Gerald Bane Straley
- Stramp. - Nazareno Strampelli
- Strand - Bengt Johan Strand
- Strandh. - Sven Olof Strandhede
- Strang - Harold Edgard Strang
- Strank - K.J. Strank
- Strasb. - Eduard Adolf Strasburger
- Strasser - Pius Strasser
- Strasz. - H. von Straszewski
- Strat. - Gozewinus Acker Stratingh
- Stratman - Mary Agatha Stratman
- Stratton - Frederic Stratton
- Straub - J. Straub
- Strehl - Teresia Strehl
- Strehler - Ludwig F. Strehler
- Strehlow - Karl Strehlow
- Strempel - Johannes Karl Friedrich Strempel
- Strenz - W.M. Strenz
- Strid - P.Arne K. Strid
- Stritch - L.R.Stritch
- Strobel - Gary A. Strobel
- Strobl - P.Gabriel Strobl
- Strøm - Hans Strøm
- Strother - John Lance Strother
- Strugnell - Edmund Jardine Strugnell
- Strutt - Jacob George Strutt
- Struve - Gustav Adolph Struve
- Struwe - Lena Struwe
- Stuart - John Stuart, 3rd Earl of Bute John Stuart Bute
- Stuchlik - Jaroslav Stuchlik
- Stuck. - Teodoro Juan Vicente Stuckert
- Studer - H. Studer
- Stuntz - Stephen Conrad Stuntz
- Stuppy - Wolfgang Hermann Stuppy
- Sturm - Jacob Sturm
- S.Turner - Samuel Turner
- Sturt - Charles Sturt
- Sturtev. - Edward Lewis Sturtevant
- Stutts - John G. Stutts
- Stutz - Howard Coombs Stutz
- Stuxberg - Anton Julius Stuxberg
- Stuyveysant - R. Stuyveysant
- Styles - Brian Thomas Styles
- St.-Yves - Alfred Marie Augustine Saint-Yves
- Suárez-Cerv. - M.A. Suárez-Cervera
- Subba Rao - Gorti Venkata Subba Rao
- Suberkr. - Keller Suberkropp
- Subils - Rosa Subils
- Suda - Yutaka Suda
- Sud.Chowdhury - Sudangshu Chowdhury
- Suddee - Somran Suddee
- Sudn. - I.G. Sudnitsyna
- Sudre - Henri L. Sudre
- Sudw. - George Bishop Sudworth
- Sudzuki - Fusa Sudzuki
- Suess. - Karl Suessenguth
- Sukaczev - Vladimir Nikolajevich Sukaczev
- Suksd. - Wilhelm Nikolaus Suksdorf
- Sulekic - Antenor A. Sulekic
- Sulist. - D. Sulistiarini
- Sull. - William Starling Sullivant
- Sum.Chandra - Sumer Chandra
- Summerh. - V. S. Summerhayes
- Sumner - George Sumner
- Sünd. - Franz Sündermann
- Sundahl - William E. Sundahl
- Sundaral. - Vellore Somasundaram Sundaralingam
- Sundaram - Nangavalli Venkatasan Sundaram
- Sundararagh. - R. Sundararaghavan
- Sundararaj - Daniel Sundararaj
- Sundaresan - Velusamy Sundaresan
- Sundb. - Walter J. Sundberg
- Sundell - Eric Sundell
- Sundene - Ove Sundene
- Sunding - Per Sunding
- Sundström - Bo G. Sundström
- Suneson - Karl Svante Suneson
- Sunhede - Stellan Sunhede
- Sunil - C.N. Sunil
- Surgis - Eugène Surgis
- Suriray - Jacques Simon Amand Suriray
- Susanna - Alfonso Susanna Alfonso Susanna de la Serna
- Suter - Johann Rudolf Suter
- Sutton - Charles Sutton
- Suzuki - Sigeyosi Suzuki
- Svenning - Jens-Christian Svenning
- Svenson - Henry Knute Svenson
- Svent. - Eric Ragnor Sventenius
- S.Venter - Stephanus Venter
- S.Venturi - Santiago Venturi
- S.Vidal - Sebastian Vidal
- Svihla - Ruth Isobel Dowell Svihla
- Svilv. - A.von Svilvinyi
- Svirenko - D.O. Svirenko
- Svoboda - Pravdomil Svoboda
- S.V.Simon - Siegfried Veit Simon
- Sw. - Peter Olof Swartz
- Swainson - William Swainson
- S.Walker - Stanley Walker
- Swart - Jan Johannes Swart
- S.Wats. S.Watson - Sereno Watson
- Swallen - Jason Richard Swallen
- S.W.Br. - Spencer Wharton Brown
- Swedel. - N. Swedelius
- Swederus - Magnus Bernhard Swederus
- Sweeney - Beatrice Marcy Sweeney
- Sweet - Robert Sweet
- Sweetser - Albert Raddin Sweetser
- Swell. - Nicholaas Hendrik Swellengrebel
- Swenson - Ulf Swenson
- Swete - Edmund Horace Swete
- Swett - Keene Swett
- Swezey - Goodwin Deloss Swezey
- Swezy - Olive Swezy
- S.Williams - Samuel Williams (botanist) Samuel Williams (1898–1965) !Williams dab!
- Swingle - Walter Tennyson Swingle
- Swinhoe - Robert Swinhoe
- S.Winkl. - Sieghard Winkler
- S.W.Leonard - Steven W. Leonard
- S.W.L.Jacobs - Surrey Wilfrid Laurance Jacobs
- S.W.Mill - Susan W. Mill
- S.W.Watson - S.W. Watson
- S.X.Li - Shu Xin Li
- S.X.Zhu - Shi Xin Zhu
- S.Y.Chen - Shao Yun Chen
- Syd. - Hans Sydow
- S.Y.Hu - Shiu Ying Hu
- S.Y.Li - Shi You Li
- Syme - John Thomas Irvine Boswell Syme
- Symon - David Eric Symon
- Symons - Jelinger Symons
- S.Y.Tang - Sin Yao Tang
- Sytsma - Kenneth J. Sytsma
- S.Y.Wang - Sui-Yi Wang
- Szabó - Zoltán von Szabó
- S.Z.Cheng - Shu Zhi Cheng
- S.Z.Fang - S.Z. Fang
- S.Zhu - Shu Zhu
- S.Z.Huang - Se Zei Huang
- Szlach. - Dariusz Szlachetko
- Szov. - A.J. Szovits
- S.Z.Qu - Shi Zeng Qu
- Szym. - Franz Szymanski
- Szyszyl. - Ignaz von Szyszylowicz
T
edit- T.A.Chr. - Tyge Ahrengot Christensen
- Täckh. - Vivi Täckholm
- T.A.Conrad - Timothy Abbott Conrad
- Tad.Suzuki - Tadashi Suzuki
- Tafalla - Juan José Tafalla
- Tagawa - Motozi Tagawa
- Tagg - Harry Frank Tagg
- Taggart - Ralph E. Taggart
- Tagl. - Giuseppe Tagliabue
- Takeda - Hisayoshi Takeda
- Taken. - Makoto Takenouchi
- Takeuchi - H. Takeuchi
- Takht. - Armen Takhtajan
- T.A.Knight - Teri A. Knight
- Talavera - Salvador Talavera Lozano
- Talbot - William Alexander Talbot
- Taliev - Valerij Ivanovich Taliev
- Tallman - Adele Statzell Tallman
- Tamamsch. - Sophia G. Tamamschjan
- Tamayo - Francisco Tamayo Yepes
- T.A.McCoy - Tom A. McCoy
- Tanaka - Tyôzaburô Tanaka
- T.Anderson - Thomas Anderson (botanist)
- Tanee - Tawatchai Tanee
- Tang - Tsin Tang
- Tansley - Arthur Tansley
- Tat. - Alexander Alexejevitch Tatarinow
- Tatar - Mathias Tatar
- Tatara - S. Tatara
- Tate - Ralph Tate
- Tateishi - Yoichi Tateishi
- Tatem - T.G. Tatem
- Tateoka - Tsuguo Tateoka
- Tatew. - Misao Tatewaki
- Tatnall - Edward Tatnall
- T.A.Todsen - Thomas A. Todsen
- Taton - Auguste Taton
- Taub. - Paul Hermann Wilhelm Taubert
- Taube - Daniel Johann Taube
- Taubenh. - Jacov Joseph Taubenhaus
- Taubenheim - Gerd Taubenheim
- Tausch - Ignaz Friedrich Tausch
- T.A.Williams - Thomas Albert Williams
- Taylor - Roy L. Taylor
- T.Bastard - Thom. Bastard
- T.Baytop - Turhan Baytop
- T.B.Chao - Tien Bung Chao
- T.B.Hall - Thomas Batt Hall
- T.B.Lee - Tchang Bok Lee
- T.B.Li - T.B. Li
- T.B.Moore - Thomas Bather Moore
- T.Brandt - T. Brandt
- T.B.Sutton - Turner B. Sutton
- T.B.Warren - Tyler B. Warren
- T.B.Wilson - Thomas Braidwood Wilson
- T.C.Allen - Thomas Cort Allen
- T.Cao - Tong Cao
- T.C.Chambers - Thomas Carrick Chambers
- T.C.E.Fr. - Thore Christian Elias Fries
- Tchich. - Petr Aleksandrovich Tchichatscheff
- T.Clark - T.P. Clark
- T.C.Lee - T.C. Lee
- T.C.Shinners - T.C. Shinners
- T.Ð.Ðai - Tran Ðinh Ðai
- T.D.Macfarl. - Terry Desmond Macfarlane
- T.D.Penn. - Terence Dale Pennington
- T.Durand - Théophile Alexis Durand
- T.E.Bowdich - Thomas Edward Bowdich
- T.E.Brooks - Travis E. Brooks
- T.E.Díaz - Tomás Emilio Díaz
- T.E.Hunt - Trevor Edgar Hunt
- Teijsm. - Johannes Elias Teijsmann
- T.E.Raven - Tamra Engelhorn Raven
- Temminck - Coenraad Jacob Temminck
- Ten. - Michele Tenore
- Tennant - James Robert Tennant
- Tepper - Johann Gottlieb Otto Tepper
- Teppner - Herwig Teppner
- Teraz. - Tomekichi Terazaki
- Ter-Chatsch. - S.Yakovlevna Ter-Chatschaturova
- Terechov - A.F. Terechov
- Tereg - Elinor Tereg
- Terk. - Frede Terkelsen
- Terl. - Paul Terletzki
- Termier - Henri François Emile Termier
- Ternis. - Théophile Antoine Timoléon Ternisien
- Ter.Ruiz - Teresa Ruiz (botanist)
- Teschner - Hans Teschner
- T.Evans - Tom D. Evans
- Texidor - Juan Texidor y Cos
- Teyber - Alois Teyber
- T.F.Andrews - Theodore Francis Andrews
- T.F.Forst. - Thomas Furley Forster
- T.Franke - Thassilo Franke
- T.G.Hartley - Thomas Gordon Hartley
- T.Gibbs - Thomas Gibbs
- T.G.Pearson - Thomas Gilbert Pearson
- T.Green - Ted Green
- T.G.Walker - Trevor George Walker
- T.G.White - Theodore Greely White
- Thaer - Konrad Wilhelm Albrecht Thaer
- Thaisz - Lajos von Thaisz
- Thaithong - Obchant Thaithong
- Thal - Johannes Thal
- Thaler - Aurelius Ant. Thaler
- T.Halle - Thore Gustav Halle
- Thamavit - W. Thamavit
- Thammavong - Banxa Thammavong
- Than - Dinh Dai Than
- T.-H.Anderson - Trante-Heidi Anderson
- Tharp - Benjamin Carroll Tharp
- Thate - R. Thate
- Thaung - M.M. Thaung
- Thayer - Emma Thayer
- Thaxt. - Roland Thaxter
- Thays - Carlos Thays
- Thell. - Albert Thellung
- Theodor. - Feliks Stanislaw Theodorowicz
- Theophr. - Teofrasto
- T.Herrera - Teófilo Herrera
- Th.Fr. - Theodor Magnus Fries
- Thibaud - E. Thibaud
- Thib.Chanv. - Jean-Baptiste Thibault de Chanvalon
- Thibaut - Monique Thibaut
- Thiéb.-Bern. - Arsenne Thiébaut-de-Berneaud
- Thiede - Joachim Thiede
- Thiele - Friedrich Leopold Thiele
- Thienem. - F.W. Thienemann
- Thiers - Harry Delbert Thiers
- Thiéry Mén. - Nicolas Joseph Thiéry de Ménonville
- Th.Moore - Theeraporn Moore
- T.H.Nash - Thomas H. Nash
- T.H.Nguyên - Tiên Hiêp Nguyên
- Thomé - Otto Wilhelm Thomé
- Thoms - Hermann Friedrich Maria Thoms
- Thomson - Thomas Thomson
- Thonn. - Peter Thonning
- Thore - Jean Thore
- Thorenaar - Adriaan Thorenaar
- Thorel - Clovis Thorel
- Thorm. - Paul Thormeyer
- Thornb. - Halbert Houston Thornberry
- Thornber - John James Thornber
- Thorne - Robert Folger Thorne
- Thornton - Robert John Thornton
- Thoroddsen - Thorvaldur Thoroddsen
- Thorold - Charles Aubrey Thorold
- Thorr.-Sm. - Margaret Thorrington-Smith
- Thorsrud - Arne Thorsrud
- Thorst. - Georg Leonhard Thorstenson
- Thory - Claude Antoine Thory
- Thoth. - K. Thothathri
- Thouars - Louis Marie Aubert Du Petit-Thouars
- Thouin - André Thouin
- T.H.Russell - Thomas Hawkes Russell
- T.H.Tang - Teng Han Tang
- Thuill. - Jean Louis Thuillier
- Thulin - Mats Thulin
- Thunb. - Carl Peter Thunberg
- Thur. - Gustave Adolphe Thuret
- Thurb. - George Thurber
- Thwaites - George Henry Kendrick Thwaites
- T.H.Wen - Tai Hui Wen
- Th.Wolf - Franz Theodor Wolf
- Tidestr. - Ivar Frederick Tidestrøm
- Tiegh. - Phillippe Edouard van Tieghem
- Tikhom. - Vladimir A. Tikhomirov
- Tilesius - Wilhelm Gottlieb von Tilesius von Tilenau
- Tiling - Heinrich Sylvester Theodor Tiling
- Tillandz - Elias Erici Tillandz
- Tillich - Hans-Jürgen Tillich
- Tim - Stephen K.-M. Tim
- Timb.-Lagr. - Pierre Marguérite Édouard Timbal-Lagrave
- Timbrook - S. Timbrook
- Timdal - Einar Timdal
- Timeroy - Marc-Antoine Timeroy
- Timler - Friedrich Karl Timler
- Timm - Joachim Christian Timm
- Tind. - Isabella Mary Tindall
- Tindale - Mary Douglas Tindale
- Tineo - Vincenzo Tineo
- Tinschert - Otto Tinschert
- Tiselius - Gustaf August Tiselius
- T.Itô - Tokutarô Itô
- T.J.Greg. - Timothy J. Gregory
- T.Johnson - Thomas Johnson
- T.J.Sørensen - Thorvald Julius Sørensen
- T.Just - Theodor Karl Just
- T.J.Volk - Thomas J. Volk
- T.J.Watson - Thomas J. Watson (botanist)
- T.J.White - Thomas J. White Thomas J. White (botanist) Thomas J. White (mycologist)
- T.K.Abraham - T.K. Abraham
- T.Knight - Thomas Andrew Knight
- T.L.Dai - Tian Lun Dai
- T.L.Ellis - T.L. Ellis
- T.Lestib. - Gaspard Thémistocle Lestiboudois
- T.L.Green - Thomas L. Green
- T.Linder - Theodor Linder
- T.L.Maguire - T.L. Maguire
- T.Lobb - Thomas Lobb
- T.Lopes - Thereza Cristina Costa Lopes
- T.Lorenz - Theodor Lorenz
- T.L.Phillips - Tom L. Phillips
- T.L.Xu - Tian Lu Xu
- T.Macbr. - Thomas Huston Macbride
- T.MacDoug. - Thomas Baillie MacDougall
- T.Mathew - Thomas Mathew
- T.M.Barkley - Theodore Mitchell Barkley
- T.Mes - Theodorus Hendrikus Maria Mes
- T.Mey. - Teodore Meyer
- T.M.Harris - Thomas Maxwell Harris
- T.M.Howard - Thaddeus Monroe Howard
- T.Mitch. - Thomas Livingstone Mitchell
- T.M.Lane - T.M. Lane
- T.Moore - Thomas Moore (botanist)
- T.Nees - Theodor Friedrich Ludwig Nees von Esenbeck
- T.N.McCoy - Thomas Nevil McCoy
- T.N.Sieber - Thomas N. Sieber
- Tobe - Hiroshi Tobe
- Tobias - A.V. Tobias
- Tobisch - Julius Tobisch
- Tobler - Friedrich Tobler
- Tobol. - Zygmunt Tobolewski
- Tochinai - Yoshiniko Tochinai
- Tocl - Karel C. Tocl
- Tod. - Agostino Todaro
- T.Oda - Takashi Oda
- Todd - R.L. Todd
- Tode - Heinrich Julius Tode
- Todor - Ioan Todor
- Todsen - Thomas K. Todsen
- Todzia - Carol A. Todzia
- Toelken - Hellmut R. Toelken
- Toepff. - Adolph Toepffer
- Togashi - Kogo Togashi
- Tognini - Filippo Tognini
- Tole - C. Tole
- Toledo - Joaquim Franco de Toledo
- Tolentino - Danielo B. Tolentino
- Tolf - K. Robert Tolf
- Tollard - Claude Tollard
- Tollem. - Stanhope Tollemache
- Tolm. - Alexandr Innokentevich Tolmatchew
- Tolmie - William Fraser Tolmie
- Tolsma - Jan Tolsma
- Tomas. - Ruggero Tomaselli
- Tomaschek - Antonín Tomaschek
- Tomasevic - Milica Tomasevic
- Tomiya - Tomiya
- Toml. - Philip Barry Tomlinson
- Torell - Otto Martin Torell
- Torelli - Gianantonia Torelli
- Torén - Olof Torén
- Torgård Torgard - Salomon Svenson Torgård
- Torges - Karl Emil Wilhelm Torges
- Toriumi - Saburo Toriumi
- Tork. - Anna-Elise Torkelson
- Torka - Valentin Torka
- Torke - Benjamin M. Torke
- Tornab. - Francesco Tornabene
- Toro - Rafael Andres Toro
- Torr. - John Torrey
- Torralbas - José Ildefonso Torralbas
- Torre - Antonio Rocha da Torre
- Torrend - Camillo Torrend
- Torrente - P. Torrente
- Torres - María Amelia Torres
- Torss. - Gustav Torssell
- Torssander - Axel Gustav Abraham Torssander
- Tortosa - Roberto D. Tortosa
- Tosatto - Simona Tosatto
- T.Osborn - Theodore George Bentley Osborn
- Toscano - Antonio Luiz Vieira Toscano
- Tosco - Uberto Tosco
- Tosq. - Pierre Jules Tosquinet
- Totten - Henry Roland Totten
- T.Post - Tomas Erik von Post
- T.Ortuño - Teresa Ortuño
- Toumey - James William Toumey
- Tour.-Desv. - F. Touraine-Desvaux
- Tourlet - Ernest Henry Tourlet
- Tourn. - Joseph Pitton de Tournefort
- Tournay - Roland Louis Jules Alfred Tournay
- Tournon - Dominique Jerome Tournon
- Tourr. - Marc Antoine Louis Claret de La Tourrette
- Tourret - Eugene Gilbert Tourret
- Toursark. - Martin Toursarkissian
- Touss. - Anatole Toussaint
- Toussoun - T.A. Toussoun
- Tovar - Oscar Tovar
- T.Pichon - Thomas Pichon
- Traaen - Alf E. Traaen
- Trab. - Louis Charles Trabut
- Trabucco - Giacomo Trabucco
- Tracanna - Beatriz C. Tracanna
- Tracey - John Geoffrey Tracey
- Trachsel - Caspar Trachsel
- Tracy - Samuel Mills Tracy
- Trad. - John Tradescant
- Trafv. - Eric Carl Trafvenfelt
- Trail - James William Helenus Trail
- Tramier - R. Tramier
- Trana - Erik Andreas Trana
- Transeau - Edgar Nelson Transeau
- Tranzschel - Woldemar Andrejevitch Tranzschel
- Tratt. - Leopold Trattinnick
- Traub - Hamilton Paul Traub
- Traunf. - Aloys Traunfellner
- Trautv. - Ernst Rudolf von Trautvetter
- T.R.Bradley - Ted Ray Bradley
- T.R.Cao - Tie Ru Cao
- Trécul - Auguste Adolphe Lucien Trécul
- T.R.Dudley - Theodore Robert Dudley
- Tredici - V. Tredici
- Tredick - Joanne Tredick
- T.Reeves - Timothy Reeves
- Tremaut - Tremaut
- Tressens - Sara Graciela Tressens
- Treub - Melchior Treub
- Trel. - William Trelease
- Trevir. - Ludolph Christian Treviranus
- Trevis. - Vittore Benedetto Antonio Trevisan de Saint-Léon
- Trew - Christoph Jakob Trew
- T.R.Fisher - Tharl Richard Fisher
- Triana - José Jerónimo Triana
- T.Richt. - T. Richter
- Trimen - Henry Trimen
- Trin. - Carl Bernhard von Trinius
- Trinkw. - Leopold Trinkwalter
- Triolo - E. Triolo
- Tripathi - R.C. Tripathi
- Tripodi - Giacomo Tripodi
- Tripp - Frances E. Tripp
- Tristram - Henry Baker Tristram
- T.Rödig - Th. Rödig
- T.Rohr - Thomas Rohr
- T.Rohde - Theo Rohde
- Troitsky - N.A. Troitsky
- Tronc. - Nélida Sara Troncoso
- Trotter - Alessandro Trotter
- Troup - Robert Scott Troup
- Troupin - Georges M.D.J. Troupin
- T.R.S.Silva - Tânia Regina dos Santos Silva
- T.R.S.Wilson - T.R.S. Wilson
- Tryon - Henry Tryon
- Tschermak - Erich Tschermak
- Tscherm.-Seys. - Erich von Tschermak-Seysenegg
- Tscherm.-Woess - Elizabeth Tschermak-Woess
- T.Schmidt - Trude Schmidt
- Tschonoski - Tschonoski
- T.S.Elias - Thomas Sam Elias
- Tsiang - Ying Tsiang
- T.Simon - Tibor Simon
- T.S.Liu - Tung Shui Liu
- T.S.Schub. - Tim S. Schubert
- Tswett - Mikhail Tsvet
- T.T.Hebert - Teddy T. Hebert
- T.Tyler - Torbjörn Tyler
- Tuck. - Edward Tuckerman
- Tucker - Clarence Mitchell Tucker
- Tul. - Edmond Tulasne
- Tulloss - Rodham Tulloss
- Tur - Nuncia María Tur
- Turcz. - Nicolaus Turczaninow
- Turesson - Göte Wilhelm Turesson
- Turner - Dawson Turner
- Türpe - Anna Maria Türpe
- Turpin - Pierre Jean François Turpin
- Turra - Antonio Turra
- Turrill - William Bertram Turrill
- Tussac - François Richard de Tussac
- Tutin - Thomas Gaskell Tutin
- Tuzet - Odette Tuzet
- Tuzibe - Masanobu Tuzibe
- Tuzlaci - Ertan Tuzlaci
- Tuzson - János Tuzson
- T.V.Egorova - Tatiana Vladimirovna Egorova
- T.V.Moore - Thomas Verner Moore
- T.Wagner - Tobias Wagner
- T.Walker - Timothy Walker
- T.W.K.Young - Thomas W.K. Young
- T.W.Walters - Terrence W. Walters
- T.Xu - Tong Xu
- T.Yamaz. - Takasi Yamazaki
- T.Y.Ding - Tuo Ya Ding
- Tye - Alan Tye
- Tyler - Ansel Augustus Tyler
- Tylutki - Edmund E. Tylutki
- Tyrrell - D. Tyrrell
- T.Z.Hsu - Ting Zhi Hsu
- Tzvelev - Nikolai Nikolaievich Tzvelev
- T.Z.Wei - Tie Zheng Wei
U
edit- Ubaldi - D. Ubaldi
- Ubera - José Luis Ubera Jimenez
- U.Braun - Uwe Braun
- Ubrizsy - G. Ubrizsy
- Uchida - Shigetaro Uchida
- Uchiy. - Shigeru Uchiyama
- Ucria - Bernardino da Ucria
- Udachin - R.A. Udachin
- Udagawa - Shun-ichi Udagawa
- Udar - Ram Udar
- Udayal. - G.P. Udayalakshmi
- Udayan - P.S. Udayan
- Uechtr. - Maximilian Friedrich Sigismund von Uechtritz
- U.Guzmán - Leonardo Ulises Guzmán Cruz
- Ulander - Axel Petrus Ulander
- Ulbr. - Oskar Eberhard Ulbrich
- Ule - Ernst Heinrich Georg Ule
- Ulehla - Vladimir Ulehla
- Ulibarri - Emilio Agustin Ulibarri
- Uline - Edwin Burton Uline
- Ulitzsch - Carl August Ulitzsch
- Ulke - Titus Ulke
- Ulken - Annemarie Ulken
- Ullasa - B.A. Ullasa
- Ullep. - Joseph Ullepitsch
- Ullgren - Olof Matthias Ullgren
- Ulloa - Miguel Ulloa
- Ullrich - Hans von Ullrich
- Ullstrup - Arnold John Ullstrup
- Ulmer - Torsten Ulmer
- Uloth - Wilhelm Uloth
- Ulpiani - Celso Ulpiani
- Ulrich - Wilhelm Ulrich
- Ulsamer - A. Ulsamer
- Ulvinen - Arvi Ulvinen
- U.Müll.-Doblies - Ute Müller-Doblies
- Unamuno - Luis Mariano Unamuno Yrigoyen
- Ünal - O. Ünal
- Unanue - José Hipólito Unanue
- Underw. - Lucien Marcus Underwood
- Ung.-Sternb. - Franz Ungern-Sternberg
- Unger - Franz Joseph Unger
- Ura - T. Ura
- Urakami - T. Urakami
- Urasawa - Y. Urasawa
- Urb. - Ignatz Urban
- Urbani - Malvina Urbani
- Urbatsch - Lowell Edward Urbatsch
- Urbina - Manuel Urbina y Altamirano
- Urbonas - Vincas Urbonas
- Urcelay - Carlos Urcelay
- U.Reifenb. - Ursula Reifenberger
- Ureña - Juan Fernando Ureña
- Uria - Rolando Uria
- Uribe-Ech. - Pedro María Uribe-Echebarria Díaz
- Uriburu - Julio Vincente Uriburu
- U.Richt. - Ursula Richter
- Urmi-König - Katherina Urmi-König
- Urquiola - Armando J. Urquiola
- Urriés - Manuel Jordán de Urriés
- Urrutia - Pello Urrutia
- Ursch - Eugène Ursch
- Urschler - Ingrid Urschler
- Ursprung - Alfred Ursprung
- Urton - N.R. Urton
- Urtubey - Estrella Urtubey
- Urum. - Ivan Kiroff Urumoff
- U.Scholz - U.Scholz
- U.Schulze - U. Schulze
- Uspenski - Tychone Uspenski
- U.V.Davies - Una Violet Davies
- U.Weber - Ulrich Weber
- Uyeki - Homiki Uyeki
V
edit- V.A.Albert - Victor A. Albert
- V.Abraham - V. Abraham
- Vacc. - Lino Vaccari
- Vaccaneo - Roberto Vaccaneo
- Vacek - Vladimír Vacek
- Vachard - Daniel Vachard
- Vachell - Eleanor Vachell
- Vacherot - Michel Vacherot
- Vachey - G. Vachey
- Váczi - P. Váczi
- Váczy - C. Váczy
- V.A.Funk - Victoria Ann Funk
- Vahl - Martin Vahl
- Vaill. - Sébastien Vaillant
- Vajr. - E. Vajravelu
- Valencia - Juan I. Valencia
- Valdés Berm. - Enrique Valdés Bermejo
- Valdés-Reyna - Jesús Valdés Reyna
- Valeton - Theodoric Valeton
- Valmayor - H.L. Valmayor
- Valmont - Jacques-Christophe Valmont de Bomare
- Val.N.Tikhom. - Valery N. Tikhomirov
- V.A.Matthews - Victoria Ann Matthews
- V.A.M.Mill. - Vera A.Mentzer Miller
- Van - V.M. Van
- Van Beem - A.P. Van Beem
- Vand. - Domenico Vandelli
- Van den Berg - Cássio Van den Berg
- Van der Ben - Dick Van der Ben
- Van der Merwe - Frederick Ziervogel Van der Merwe
- Vanderv. - G. Vanderveken
- Van der Walt - J.P. Van der Walt
- van der Werff - Henk van der Werff
- Van der Westh. - G.C.A. Van der Westhuizen
- Van Heurck - Henri Ferdinand Van Heurck
- Van Houtte - Louis Benoît Van Houtte
- Vanin - Stephen Ivanovich Vanin
- Vaniot - Eugene Vaniot
- van Jaarsv. - Ernst Jacobus van Jaarsveld
- Vanni - Ricardo Oscar Vanni
- Vanterp. - Thomas Clifford Vanterpool
- Van Thiel - P.H. Van Thiel
- Vanucchi - Vanucchi
- Vanzela - Andre L.L. Vanzela
- Vareschi - Volkmar Vareschi
- Vargas - Julio César Vargas Calderón
- V.A.Richt. - Vincenz Aladár Richter
- Vasey - George Vasey
- Vásquez - Rodolfo Vásquez M.
- Vassilcz. - I.T. Vassilczenko
- Vatke - Wilhelm Vatke
- Vattimo-Gil - Ida de Vattimo-Gil
- Vaucher - Jean Pierre Étienne Vaucher
- Vaupel - Friedrich Karl Johann Vaupel
- Vaupell - Christian Theodor Vaupell
- Vauquelin - Luois Nicolas Vauquelin
- Vauras - Jukka Vauras
- Vautier - Simone Vautier
- Vauvel - Leopold Eugene Vauvel
- Vavílov - Nikolái Vavílov
- V.A.W.Graham - Victoria Anne Wassell Graham
- Vázq.Avila - Vázquez Avila
- V.Bean - V. Bean
- V.Brig. - Vincenzo Briganti
- V.B.Stewart - Vern Bonham Stewart
- V.C.Green - V.C. Green
- V.D.Roth - V.D. Roth
- V.D.Wiggins - Virgil Dale Wiggins
- V.E.Br. - Virginius Elholm Brown
- Vegetti - Abelardo C. Vegetti
- V.E.Grant - Verne Edwin Grant
- Veill. - Veillard
- Veillon - Jean-Marie Veillon
- Veitch - John Gould Veitch
- Velazco - Carlos Gerardo Velazco
- Velarde - Octavio Velarde
- Velásquez - Justiniano Velásquez
- Velayos - Mauricio Velayos Rodriguez
- Velchev - Velcho Ivanov Velchev
- Veldeman - R. Veldeman
- Veldkamp - Jan Frederik Veldkamp
- Velen. - Josef Velenovský
- Vell. - José Mariano da Conceição Vellozo
- Vellinga - Else C. Vellinga
- Velloso - Joaquim Velloso de Miranda
- V.Engl. - Viktor Engler
- Vent. - Étienne Pierre Ventenat
- Venter - Hendrik Johannes Tjaart Venter
- Venturi - Gustavo Venturi
- Verd. - Frans Verdoorn
- Verdc. - Bernard Verdcourt
- Verh.-Will. - Susan Elizabeth Verhoek-Williams
- Verl. - Jean Baptiste Verlot
- Verm. - Pieter Vermeulen
- Vermoesen - François Marie Camille Vermoesen
- Verv. - Frederico B. Vervoorst
- Vest - Lorenz Chrysanth von Vest
- V.E.Tyler - V.E. Tyler
- V.F.Ferreira - V. Flechtmann Ferreira
- V.Girard - Victor Girard
- V.Gibbs - Vicary Gibbs (botanist)
- V.G.Soukup - Victor G. Soukup
- V.Higgins - Vera Higgins
- Vicioso - Benito Vicioso Trigo
- Vickery - Joyce Winifred Vickery
- Vicq - Léon-Bonaventure Éloy de Vicq
- Vict. - Marie-Victorin Kirouac Marie-Victorin
- Vida - Gabor Vida
- Vidal - António José Rodrigo Vidal
- Vidal-Leir. - Manuela Vidal-Leiria
- Vieill. - Eugène Vieillard
- Vienn.-Bourg. - Georges Viennot-Bourgin
- Viera y Clavija - José de Viera y Clavija
- Vierh. - Friedrich Vierhapper
- Vig. - Louis G. Alexandre Viguier
- Vigna - María Susana Vigna
- Vignolo - Ferdinando Vignolo-Lutati
- Vigo - Josep Vigo Bonada
- V.I.Krecz. - V.I. Kreczetowicz
- Vilchez - Oscar Vilchez
- Vill. - Dominique Villars
- Villa - Martín Villa Carenzo
- Villar - Emili Huguet i Serratacó
- Villar-Seoane - Liliana Mónica Villar de Seoane
- Villaseñor - José Luis Villaseñor
- Vilm. - Pierre Louis François Lévêque de Vilmorin
- Vinall - Harry Nelson Vinall
- Vinatzer - Georg Vinatzer
- Vincens - Francois Vincens
- Vincent - Michael A. Vincent
- Vindt - Jacques Vindt
- Vines - Sydney Howard Vines
- Vinha - Sergio Guimaraes da Vinha
- Viniklár Viniklár - L. Viniklár
- Vink - Willem Vink
- Vinn. - Annika Vinnersten
- Vinnikova - Alena Vinnikova
- Vinson - Jean Francois Dominique Emile Vinson
- Vinton - Everett L. Vinton
- Vinyard - William Corwin Vinyard
- Vis. - Roberto de Visiani
- Vitek - Ernst Vitek
- Vitéz - I. Vitéz
- Vitman - Fulgenzio Vitman
- Vitt - Dale Hadley Vitt
- Vitta - Fabio A. Vitta
- Vittad. - Carlo Vittadini
- Vittal - Balumuri Pandu Ranga Vittal
- Vittet - Nelly Vittet
- Viv. - Domenico Viviani
- V.Jaram. - Víctor Jaramillo
- V.J.Cook - Varner James Cook
- V.J.Nair - V. J. Nair
- V.John - Václav John
- Vlk - Wladimir H. Vlk
- Vlok - Jan H.J. Vlok
- V.Loret - Victor Loret
- Vloten - H.van Vloten
- V.L.Suárez - Verónica L. Suárez
- V.Marcano - Vicente Marcano
- V.Mayer - Veronika Mayer
- V.M.Badillo - Víctor Manuel Badillo
- V.M.Bates - Vernon M. Bates
- V.M.L.Kellogg - Vernon Myman Lyman Kellogg
- V.Mora - V. Mora
- V.Naray. - V. Narayanaswami
- V.N.Pavlov - Vadim Nikolaevich Pavlov
- V.N.Tikhom. - Vadim Nikolaevich Tikhomirov
- Vobis - Gernot Vobis
- Vobogdin - A.G. Vobogdin
- Voden. - Dimiter G. Vodenicarov
- Vodop. - N.S. Vodopianova
- Voeltzk. - Alfred Voeltzkow
- Vogel - Julius Rudolph Theodor Vogel
- Vogtherr - Max Adalbert Theodor Eugen Vogtherr
- Volgin - Serjej A. Volgin
- Volgunov - D.K. Volgunov
- Voliotis - Dimitrios T. Voliotis
- Volk - Richard Volk
- Volkart - Albert Volkart
- Voll - Otto Voll
- Vollesen - Kaj Børge Vollesen
- Vollm. - Franz Vollmann
- Vollmer - Albert Michael Vollmer
- Vollrath - H. Vollrath
- V.O.Parkinson - Verona O. Parkinson
- Vorosch. - Vladimir Nikolaevich Voroschilov
- Voss - Andreas Voss
- V.P.Barbosa - Vania Perazzo Barbosa
- V.P.Castro - Vitorino Paiva Castro
- V.Pereira - Maria Verônica Leite Pereira
- V.R.Fuentes - Victor Ramón Fuentes Fiallo
- Vrijmoed - Lilian L.P. Vrijmoed
- Vrishcz - D.L. Vrishcz
- V.S.Engel - Victor S. Engel
- V.S.White - Violetta Susan Elizabeth White
- V.T.Parker - V.Thomas Parker
- Vuill. - Paul Vuillemin
- Vuk. - Liudjevit Farkas Vukotinovic
- Vukic. Vukic. - E. Vukicevic
- Vved. - Alekséi Vvedenski
- V.Vlk - Vitezslav Vlk
- V.V.Mill. - Viktor V. Miller
- V.W.Jacks. - Vincent William Jackson
- V.W.Proctor - Vernon Willard Proctor
- V.W.Steinm. - Victor W. Steinmann
- Vyverman - Wim Vyverman
W
edit- W.A.Anderson - William Arthur Anderson
- W.A.Baker - William A. Baker
- Waby - John Frederick Waby
- Wach. - Evert Jacob van Wachendorff
- Wacht. - Willem Hendrik Wachter
- W.A.Clark - William Andrew Clark
- Wacker - Hermann Wacker
- Wada - Koichiro Wada
- W.A.Dawson - W.A.J.M. Dawson
- Waddell - Coslett Herbert Waddell
- Wade - Walter Wade
- Wad.Khan - M.A Wadood Khan
- W.A.Fitz Maur. - W.A. Fitz Maurice
- Waga - Jakob Ignacy Waga
- Wagab. - Michio Wagabayashi
- Wagener - Philipp Christian Wagener
- Wagenitz - Gerhard Wagenitz
- Wager - Horace Athelstan Wager
- Wahl - Herbert Alexander Wahl
- Wahlb. - Pehr Fredrik Wahlberg
- Wahlenb. - Göran Wahlenberg
- Waisb. - Anton Waisbecker
- Wakef. - Elsie Maud Wakefield
- Waldst. - Franz de Paula Adam von Waldstein
- Wale - Royden Samuel Wale
- Walk. - David Leo Walkington
- Walker - John Walker (natural historian)
- Walkom - Arthur Bache Walkom
- Wall. - Nathaniel Wallich
- Wallace - Alfred Russel Wallace
- Wallr. - Karl Friedrich Wallroth
- Walp. - Wilhelm Gerhard Walpers
- Walter - Thomas Walter
- Walters - Stuart Max Walters
- Walt.Schulze - Walther Schulze
- Walt.Watson - Walter Watson
- W.Anderson - William Anderson
- Wangenh. - Friedrich von Wangenheim
- Wangerin - Walther Leonard Wangerin
- War - Harry Ilmari War
- Waraitch - K.S. Waraitch
- Warb. - Otto Warburg
- Warcup - John Henry Warcup
- Ward - Lester Frank Ward
- Warder - John Aston Warder
- Wardle - Peter Wadle
- Ware - William Melville Ware
- Warfa - Ahmed Mumin Warfa
- Warford - Natalie Warford
- Warion - Jean Pierre Adrien Warion
- Warm. - Johannes Eugenius Bülow Warming
- Wärn - Mats Wärn
- Warnock - Barton Holland Warnock
- Warnst. - Carl Friedrich Warnstorf
- W.A.Rodrigues - William Antônio Rodrigues
- Warren - John Byrne Leicester Warren
- Warsz. - Josef Ritter von Rawiez Warszewicz
- Wartenb. - Arnold Wartenberg
- Wartenw. - Alfred Wartenweiler
- Wartm. - Friedrich Bernhard Wartmann
- Warwick - Suzanne I. Warwick
- Wassh. - Dieter Carl Wasshausen
- W.A.Stewart - W.Alan Stewart
- Watelet - Jean-François Adolphe Watelet
- Waterbury - J. Waterbury
- Waterf. - Umaldy Theodore Waterfall
- Waterh. - Benjamin Waterhouse
- Waterman - Alma May Waterman
- Waters - Campbell Easter Waters
- Waterston - John MacLaren Waterston
- Watkins - T.P. Watkins
- Watling - Roy Watling
- Watt - David Allan Poe Watt
- Watson - William Watson (scientist)
- Watts - William Walter Watts
- W.A.Weber - William Alfred Weber
- W.A.Wheeler - William Archie Wheeler
- Wawra - Heinrich Wawra von Fernsee
- W.B.Allen - William B. Allen
- W.Barbey - William Barbey-Boissier
- W.Barton - William Paul Crillon Barton
- W.Bartram - William Bartram
- W.Baxter - William Baxter
- W.B.Carp. - William Benjamin Carpenter
- W.Becker - Wilhelm Becker
- W.Br. - William Brown (botanist)
- W.Brandt - Wilhelm Brandt
- W.B.Turner - William Barwell Turner
- W.Bull - William Bull
- W.Cao - Wei Cao
- W.C.Barton - William Charles Barton
- W.C.Burger - William Carl Burger
- W.C.Cheng - Wan Chun Cheng
- W.C.Greg. - Walton Carlyle Gregory
- W.C.Ko - Wan Chang Ko
- W.C.Lin - Wei Chih Lin
- W.C.R.Watson - William Charles Richard Watson
- W.C.Walker - W.C. Walker
- W.C.Wilson - Warren C. Wilson
- W.D.Clark - W.Dennis Clark
- W.Deane - Walter Deane
- W.D.Francis - William Douglas Francis
- W.D.Jacks. - William Dalziel Jackson
- W.D.J.Koch - Wilhelm Daniel Joseph Koch
- W.D.Moore - William Dewey Moore
- W.D.Stevens - Warren Douglas Stevens
- Weakley - Alan Stuart Weakley
- Weath. - Charles Alfred Weatherby
- Webb - Philip Barker Webb
- Webber - Herbert John Webber
- Weber - Georg Heinrich Weber
- Weberb. - August Weberbauer
- Weber Bosse - Anna Antoinette Weber Bosse
- Weberling - Focko H.E. Weberling
- Wedd. - Hugh Algernon Weddell
- Wedem. - Wedermeyer
- Wedin - Mats Wedin
- Wee - James L. Wee
- Weeber - Gustav Weeber
- Weed - Clarence Moores Weed
- Weeda - E. J. Weeda
- Weedon - Amy Gertrude Weedon
- Weeras. - A.D. Weerasooriya
- W.E.Evans - William Edgar Evans
- W.E.Fox - William E. Fox III
- Wege - Juliet Wege
- Wegener - Th. Wegener
- W.E.Higgins - Wes E. Higgins
- Wehm. - Lewis Edgar Wehmeyer
- W.E.Hoffm. - William Edwin Hoffmann
- W.E.Hunter - William E. Hunter
- Weigel - Christian Ehrenfried Weigel
- Weihe - Carl Ernst August Weihe
- Weiler - J.H. Weiler
- Weim. - August Henning Weimarck
- Weing. - Wilhelm Weingart
- Weinm. - Johann Anton Weinmann
- Weism. - August Weismann
- Weitzman - Irene Weitzman
- W.E.Lawr. - William Evans Lawrence
- Wells - Bertram Whittier Wells
- Weltner - W. Weltner
- Weltzien - H.C. Weltzien
- Welw. - Friedrich Welwitsch
- Welzen - Peter Cornelis van Welzen
- Welzenis - Taco van Welzenis
- W.E.Manning - Wayne Eyer Manning
- Wemple - Don Kimberley Wemple
- Wendelb. - Gustav Wendelberger
- Wendelbo - Per Erland Berg Wendelbo
- Wender. - Georg Wilhelm Franz Wenderoth
- Wendl.f. - Johan Wendland
- Weniger - H.L. Weniger
- Went - Friedrich August Ferdinand Christian Went
- Wenz. - Theodor Wenzig
- W.E.Parsons - William Edward Parsons
- Wercklé - Carl Wercklé
- Werderm. - Erich Werdermann
- Werner - Roger-Guy Werner
- Wernham - Herbert Fuller Wernham
- Wernicke - Albrecht Ludwig Agathon Wernicke
- Wern.Schulze - Werner Schulze
- W.Ernst - Wilf Ernst
- W.E.Rogers - Walter E. Rogers
- Wertel - H.P. Wertel
- Wesm. - Alfred Wesmael
- Wess.Boer - J. G. Wessels Boer
- Wessner - Wilhelm Wessner
- Westc. - Frederic Westcott
- Wester - Peter Jansen Wester
- Westling - Per Richard Westling
- Weston - Richard Weston
- Westra - Lübbert Ybele Theodoor Westra
- Wetmore - Clifford M. Wetmore
- Wettst. - Richard von Wettstein
- W.F.Barker - Winsome Fanny Barker
- W.F.Christ. - Willi Friedrich Christiansen
- W.F.Grant - William Frederick Grant
- W.F.Hillebr. - William Francis Hillebrand
- W.Fisch. - W. Fischer
- W.Fitzg. - William Vincent Fitzgerald
- W.Fox - Walter Fox
- W.Frey - Wolfgang Frey
- W.F.Xu - Wen Fen Xu
- W.Gams - K.Walter Gams
- W.G.Jones - Wyn G. Jones
- W.G.Lee - William George Lee
- W.Greg. - William Gregory
- W.G.Schneid. - Wilhelm Gottlieb Schneider
- W.G.Sm. - Worthington George Smith
- W.H.Adey - Walter H. Adey
- W.Hancock - William Hancock
- W.Hartley - W. Hartley
- W.Hayw. - Wyndham Hayward
- W.H.Baker - William Hudson Baker
- W.H.Barrett - W.H. Barrett
- W.H.Br. - William Henry Brown
- W.H.Bradley - Wilmot H. Bradley
- W.H.Brewer - William Henry Brewer
- W.H.Dall - William Healey Dall
- W.H.Duncan - Wilbur Howard Duncan
- Wheeler - James Wheeler
- W.H.English - William Harley English
- Wherry - Edgar Theodore Wherry
- Whetzel - Herbert Hice Whetzel
- W.H.Evans - Walter Harrison Evans
- W.H.Gibson - William Hamilton Gibson
- W.Hill - Walter Hill (garden curator)
- White - Jean White
- Whitel. - Thomas Whitelegge
- Whitford - Harry Nichols Whitford
- Whitmore - Timothy Charles Whitmore
- Whittaker - Robert Harding Whittaker
- W.H.Lang - William Henry Lang
- W.H.Lawr. - W.H. Lawrence
- W.H.Lewis - Walter Hepworth Lewis
- W.Hochst. - Wilhelm Christian Hochstetter
- W.Hoffm. - Wilhelm Hoffmann
- W.Hook. - William Jackson Hooker
- W.Huber - Walter Huber
- W.Hunter - William Hunter (Asiatic Society)
- W.H.Wagner - Warren Herbert Wagner
- W.H.White - W.H. White
- W.H.Zhang - Weng Hui Zhang
- Wibel - August Wilhelm Eberhard Christoph Wibel
- Wibiral - Erich Wibiral
- Wicander - Edwin Reed Wicander
- Wich. - Max Ernst Wichura
- Wichansky - Evzen Wichansky
- Wichmann - Lucia Wichmann
- Wick. - Lynford J. Wickerham
- Wickens - Gerald Ernest Wickens
- Wickman - Daniel Wickman
- Widén - Karl Johann Widén
- Wiedem. - Ferdinand Johannes Wiedemann
- Wied-Neuw. - Maximilian zu Wied-Neuwied
- Wiegand - Karl McKay Wiegand
- Wiegend - Maximilian Wiegend
- Wiegleb - G. Wiegleb
- Wiegmann - Arend Joachim Fridrich Wiegmann
- Wiehler - Hans Joachim Wiehler
- Wiens - Delbert Wiens
- Wier - D.B. Wier
- Wieringa - Jan Johannes Wieringa
- Wieringer - K.T. Wieringer
- Wiersema - John Wiersema
- Wiesner - Julius von Wiesner
- Wierzb. - Piotr Pawlus Wierzbicki
- Wigand - Albert Wigand
- Wiggins - Ira Loren Wiggins
- Wigh - Kai Eric Goran Wigh
- Wight - Robert Wight
- Wigman - H.J. Wigman
- Wijk - Roelof J.van der Wijk
- Wijn - M. Wijn
- Wijnands - D.Onno Wijnands
- Wijsman - H.J.W. Wijsman
- Wikstr. - Johan Emanuel Wikström
- Wilberf. - Peter William Charles Wilberforce
- Wilbr. - Johann Bernhard Wilbrand
- Wilbur - Robert Lynch Wilbur
- Wilcock - Christopher C. Wilcock
- Wilcox - Edwin Forrest Mead Wilcox
- Wilcoxon - James A. Wilcoxon
- Wilczek - Ernst Wilczek
- Wild - Hiram Wild
- Wilensky - D.G. Wilensky
- Wiley - Farida Anna Wiley
- Wilh.Schulze - Wilhelm Schulze
- Wilk. - Caroline Catharine Wilkinson
- Wilke - Fritz Wilhelm Wilke
- Wilken - Dieter H. Wilken
- Wilkes - Charles Wilkes
- Wilkie - David Wilkie (botanist)
- Wilkin - Paul Wilkin
- Wilkins - George Hubert Wilkins
- Will. - William Crawford Williamson
- Willd. - Carl Ludwig Willdenow
- Willemet - Remi Willemet
- Williams - Samuel Williams
- Willis - John Christopher Willis
- Willk. - Heinrich Moritz Willkomm
- Will.Watson - William Watson (botanist) William Watson (1832–1912) dab!
- Wilmot-Dear - Christine Melanie Wilmot-Dear
- Wilmott - Alfred James Wilmott
- Wilson - William M. Wilson
- Wimm. - Christian Friedrich Heinrich Wimmer
- Wimpenny - R.S. Wimpenny
- Winch - Nathaniel John Winch
- Winchell - Newton Horace Winchell
- Winckler - Emil Leonhard Wilhelm Winckler
- Wind - F.H. Wind
- Winder - Daniel Knode Winder
- Windham - Michael Windham
- Windler - Donald Richard Windler
- Windsor - John Windsor
- Wineland - Grace Odel Wineland
- Wing - Bruce Larry Wing
- Wingard - Samuel Andrew Wingard
- Wingate - Harold Wingate
- Winge - Øjvind Winge
- Wingf. - Robert C. Wingfield
- Wink. - Johannes Winkelmann
- Winka - Katarina Andersson
- Winkl. - Eduard Winkler
- Winks - Barbara L. Winks
- Winogr. - Sergey Nikolayevich Winogradsky
- Winsborough - Barbara M. Winsborough
- Winslow - Andreas Peter Winslow
- Winstead - Nash N. Winstead
- Winterb. - James Edward Winterbottom
- Winterh. - Wulfard Winterhoff
- Winterl - Jacob Joseph Winterl
- Winterschm. - Johann Samuel Winterschmidt
- Winward - A.H. Winward
- Wirawan - Nengah Wirawan
- Wiriad. - Harry Wiriadinata
- Wirsing - Adam Ludwig Wirsing
- Wirtg. - Philipp Wilhelm Wirtgen
- Wirth - Carl Wirth
- W.Irving - Walter Irving
- Wirz - Johannes Wirz
- Wissel. - Cornelius van Wisselingh
- Wissen - M.J.van Wissen
- Wissjul. - Olena Dmytrivna Wissjulina
- Wistuba - Andreas Wistuba
- With. - William Withering
- Witham - Henry Thomas Maire Silvertop Witham
- Withersp. - John T. Witherspoon
- Withner - Carl Leslie Withner
- Witt - N.H. Witt
- Witte - Heinrich Witte
- Wittern - I. Wittern
- Wittlake - Eugene B. Wittlake
- Wittm. - Ludwig Wittmack
- Wittmann - H. Wittmann
- Wittr. - Veit Brecher Wittrock
- W.Jansen - Werner Jansen
- W.J.Baker - William John Baker
- W.J.C.Lawr. - William John Cooper Lawrence
- W.J.de Wilde - Willem Jan Jacobus Oswald de Wilde
- W.J.Ding - Wen Jiang Ding
- W.J.Gilbert - William James Gilbert
- W.J.Hess - William John Hess
- W.J.J.van der Merwe - W.J.J. Van der Merwe
- W.J.Kaiser - W.J. Kaiser
- W.J.Koch - William Julian Koch
- W.J.Kress - Walter John Emil Kress
- W.J.Rob. - Winifred Josephine Robinson
- W.J.Schrenk - Willi Jürgen Schrenk
- W.J.Swart - Wijnand J. Swart
- W.J.Zhu - Wen Jia Zhu
- W.Kegel - W. Kegel
- W.K.Mora - W.K. Mora
- W.Knight - Walter Knight
- W.Koch - Walo Koch
- W.Krause - W. Krause
- W.L.Bray - William L. Bray
- W.L.Cheng - Wei Lie Cheng
- W.L.Culb. - William Louis Culberson
- W.Lee - Wootchul Lee
- W.L.E.Schmidt - Wilhelm Ludwig Ewald Schmidt
- W.Lippert - Wolfgang Lippert
- W.Lobb - William Lobb
- W.Lodd. - William Loddiges
- W.Ludw. - Wolfgang Ludwig
- W.L.Wagner - Warren Lambert Wagner
- W.L.Waterh. - Walter Lawry Waterhouse
- W.L.White - William Lawrence White
- W.MacGill. - William MacGillivray
- W.M.Curtis - Winifred Mary Curtis
- Wm.E.Rogers - William Edwin Rogers
- W.M.Grant - William M. Grant
- Wm.G.Sm. - William Gardner Smith
- W.M.Hess - Wilfred Moser Hess
- W.Mill - Walter Mill !W.Mill.
- W.Mill. - William Miller (botanist) !W.Mill
- W.M.Rogers - William Moyle Rogers
- Wm.Thomps. - William Thompson (naturalist)
- W.N.Ellis - W.Neale Ellis
- W.N.Takeuchi - Wayne N. Takeuchi
- W.Oberm. - Wilhelm Obermeyer
- Wodehouse - Roger Philip Wodehouse
- Wohlf. - Rudolf Wohlfarth
- Wolf - Nathanael Matthaeus von Wolf
- Woll. - George Buchanan Wollaston
- Wollenw. - Hans Wilhelm Wollenweber
- W.O.Moore - Winifred Olivia Moore
- W.O.Müll. - Walther Otto Müller
- Wood - William Wood
- Woodall - Edward H.W. Woodall
- Woodcock - Hubert Bayley Drysdale Woodcock
- Wooden - Helen A. Wooden
- Woodf. - James Woodforde
- Woodgyer - Elizabeth M. Woodgyer
- Woodhead - Norman Woodhead
- Woodson - Robert Everard Woodson
- Woodw. - Thomas Jenkinson Woodward
- Wolfg.Schmidt - Wolfgang Schmidt
- Woll. - George Buchanan Wollaston
- Wolle - Francis Wolle
- Wollenw. - Hans Wilhelm Wollenweber
- Wolley-Dod - Anthony Hurt Wolley-Dod
- Wollman - Constance E. Wollman
- Wollny - Robert Wollny
- Woolls - William Woolls
- Wollw. - Hartmund Wollweber
- Wooton - Elmer Ottis Wooton
- Worapong - Jeerapun Worapong
- Wormsk. - Martin Wormskjöld
- Wornardt - Walter W. Wornardt
- Woron. - Nikolái Voronijin
- Woronin - Michael Stepanovich Woronin
- Woronow - Georg Jurij Nikolaevich Woronow
- Worsd. - Wilson Crosfield Worsdell
- Worsley - Arthington Worsley
- Worster - Pieter Johannes Worster
- Worth. - Richard D. Worthington
- Wortmann - Julius Wortmann
- W.P.Adams - William Preston Adams
- W.P.C.Barton - William Paul Crillon Barton
- W.Peck - William Dandridge Peck
- W.P.Fang - Wen Pei Fang
- W.Phillips - William Phillips
- W.P.Teschner - Walter Paul Teschner
- W.Raatz - Wilhelm Raatz
- W.R.Abraham - Wolf Rainer Abraham
- W.R.Anderson - William Russell Anderson
- W.R.Barker - William Robert Barker
- W.R.B.Oliv. - Walter Reginald Brook Oliver
- W.R.Br. - W.R. Brown
- W.R.Carr - William R. Carr
- W.R.Carter - William R. Carter
- Wreden - Robert Wreden
- Wredow - Johann Christian Ludwig Wredow
- W.Remy - Winfried Remy
- W.R.Ernst - Wallace Roy Ernst
- Wretschko - Matthias Wretschko
- W.R.Foster - William Robert Foster
- W.R.Gerard - William Ruggles Gerard
- W.R.Hayw. - W.R. Hayward
- W.R.Hunt - Willis Roberts Hunt
- W.Richt. - Wenzel Richter
- Wright - John Wright
- Wrigley - Fenella Ann Wrigley
- Wróbl. - Anton(i) Wróblewski Anton Wroblewski Antoni Wroblewski Anton Wróblewski Antoni Wróblewski
- Wronska - B. Wronska
- W.Rossi - Walter Rossi
- W.Roth - Wilhelm Roth
- W.R.Watson - Wade Ralph Watson
- W.Sauer - Wilhelm Sauer
- W.Saunders - William Saunders
- W.Schaffn. - Johann Wilhelm Schaffner
- W.Scott - Walter Scott (botanist)
- W.Schmidt - Wilhelm Schmidt
- W.Seitz - W. Seitz
- W.S.Ham. - W.S. Hamilton
- W.Simon - William Simon
- W.S.Lee - Wei Siang Lee
- W.S.Phillips - Walter Sargeant Phillips
- W.S.Stewart - William Sheldon Stewart
- W.Stahl - William Stahl
- W.Stearns - Winfrid Alden Stearns
- W.Stevens - William Chase Stevens
- W.Stone - Witmer Stone
- W.Suarez - W. Suarez
- W.T.Aiton - William Townsend Aiton
- W.Tang - W. Tang
- W.T.Cheng - Wu Tsang Cheng
- W.T.Davis - William Thompson Davis
- W.T.Fox - W.T. Fox
- W.Thomps. - William Thompson (botanist) (1823–1903) dab!
- W.T.Marshall - William Taylor Marshall
- W.T.Mill. - Wilhelm Miller
- W.Turner - Wilhelm Turner
- W.T.Vos - W.T. Vos
- W.T.Wang - Wen Tsai Wang
- Wulfen - Franz Xavier von Wulfen
- Wullschl. - Heinrich Rudolph Wullschlaegel
- Wund. - Rosalie Wunderlich
- Wunder - Helmut Wunder
- Wunderlin - Richard P. Wunderlin
- Wunschm. - Ernst Wunschmann
- Wurdack - John Julius Wurdack
- Wurm - Franz Wurm
- Wurmb - Friedrich von Wurmb
- Wüstnei - Karl Georg Gustav Wüstnei
- W.T.Hall - William T. Hall
- W.V.Br. - Walter Varian Brown
- W.Wächt. - Wilhelm Wächter
- W.Wang - Wei Wang
- W.Watson - William Watson (botanist)
- W.W.Bailey - William Whitman Bailey
- W.Weber - Wilhelm Weber (botanist)
- W.Weston - William Henry Weston
- W.Wettst. - Wolfgang Wettstein
- W.W.Gilbert - William Williams Gilbert
- W.Wight - William Franklin Wight
- W.W.Lewis - Walter W. Lewis
- W.Wolf - Wolfgang Wolf
- W.Wright - William Wright
- W.W.Scott - William Wallace Scott
- W.W.Sm. - William Wright Smith
- W.W.Thomas - William Wayt Thomas
- W.W.Wagener - Willis Westlake Wagener
- W.W.Weber - W.W. Weber
- W.W.Wight - William W. Wight
- W.X.Xu - Wen Xuan Xu
- Wydler - Heinrich Wydler
- W.Young - William Young
- W.Young Kirkc. - William Young de Kirkcaldy
- Wyss. - G.H. Wyssotzky
- Wyss-Chod. - F. Wyss-Chodat
- W.Y.Wang - Wei Yi Wang
- W.Zimm. - Walter Max Zimmermann
X
edit- X.B.Wu - X.B. Wu
- X.Cheng - Xiao Cheng
- X.D.Wang - Xiao Dong Wang
- Xeld. - Vamona Xeldencar
- Xena - Nereida Xena
- X.G.Wang - Xin Gui Wang
- X.G.Wu - Wu Xian-Gwu
- Xhonneux - Guy Xhonneux
- X.H.Wang - Xiang Hua Wang
- Xian J.Wang - Xian Jia Wang
- Xiao Q.Wang - Xiao Quan Wang
- Xifreda - Cecilia C. Xifreda
- X.J.Wang - Xiu Juan Wang
- X.L.Wu - Xing Liang Wu
- X.M.Wang - Xiao Ming Wang
- X.Q.Wang - Xi Qu Wang
- X.R.Wang - Xian Rong Wang
- X.S.Shen - Xian Sheng Shen
- X.T.Zhu - Xin Ting Zhu
- Xuarez - Gaspar Xuarez
- Xue M.Wang - Xue Ming Wang
- X.Wang - Xin Wang
- X.Wei - Xing Wei
- X.W.Li - Xing Wen Li
- X.W.Wei - X.W. Wei
- X.Y.Cheng - X.Y. Cheng
- X.Y.Tang - Xin Yun Tang
- X.Y.Wang - Xiao Ying Wang
- X.Y.Wu - X.Y. Wu
- X.Y.Zhu - Xiang Yun Zhu
Y
edit- Y.Abe - Yasuhisa Abe
- Y.A.Chen - Yu An Chen
- Yakovlev - Genadij Pablovich Yakovlev
- Yamam. - Yoshimatsu Yamamoto
- Yanagawa - M. Yanagawa
- Yanagih. - Masayuki Yanagihara
- Yanagita - Yoshizo Yanagita
- Yanna - Yanna
- Yarchuk - T.A. Yarchuk
- Yarrow - David Yarrow
- Yatabe - Ryokichi Yatabe
- Y.B.Harv. - Yvette Berenice Harvey
- Y.B.Lee - Yong Bo Lee
- Y.B.Wu - Yu Bi Wu
- Y.C.Chen - Yo Chia. Chen
- Y.C.Dai - Yu Cheng Dai
- Y.Chen - Yung Chen
- Y.C.Hsu - Yung Chun Hsu
- Y.C.Tang - Yan Cheng Tang
- Y.C.Wu - Yin Chan Wu
- Y.Domínguez - Yoannis Domínguez
- Yen C.Yang - Yen Chin Yang
- Yendo - Kichisaburo Yendo
- Y.F.Shen - Yu Feng Shen
- Y.F.Wu - Yeng Fen Wu
- Y.G.Shen - Yun Guang Shen
- Y.G.Wei - Yi Gang Wei
- Y.G.Zhu - You Gang Zhu
- Y.H.Chen - Yu Heng Chen
- Y.H.Cheng - Y.Hui Cheng
- Y.H.Park - Yong Ha Park
- Y.H.Shen - Ya Heng Shen
- Y.Hui Chen - Yu Hui Chen
- Y.H.Wu - Yu Hu Wu
- Y.H.Xu - Yi Hua Xu
- Yild. - Yild. Sinasi Yildirimli ?inasi Yildirimli
- Yildiz - Beyram Yildiz
- Ying C.Wu - Ying Chang Wu
- Y.Itô - Yoshi Itô
- Yi X.Chen - Yi Xin Chen
- Y.J.Nasir - Yasin J. Nasir
- Y.J.Wu - Y.J. Wu
- Y.J.Xu - Y.J. Xu
- Y.J.Zhu - Yu Jian Zhu
- Y.Kimura - Yojiro Kimura
- Y.K.Li - Yong Kang Li
- Y.L.Chen - Yi Ling Chen
- Y.L.Xu - Yao Liang Xu
- Y.Maek. - Y. Maekawa
- Y.M.Wu - Y.M. Wu
- Y.N.Lee - Yong No Lee
- Y.N.Williams - Yolande N. Williams
- Yonez. - W. Yonezawa
- Y.P.Lee - Yong Pil Lee
- Y.P.Tang - Yang Ping Tang
- Y.P.Zhu - You Ping Zhu
- Y.Q.Zhu - Ying Qun Zhu
- Y.San Wu - You San Wu
- Y.Schouten - Y. Schouten
- Y.S.Dai - Yu Sheng Dai
- Y.Sell - Yves Sell
- Y.S.Lewis - Y.S. Lewis
- Y.S.Park - Yun Sil Park
- Y.S.Wu - Ying Siang Wu
- Y.Tang - Ya Tang
- Y.T.Hsieh - Yin Tang Hsieh
- Y.T.Lee - Yin Tse Lee
- Y.T.Wei - Yu Tsung Wei
- Y.T.Wu - Yu Ting Wu
- Y.T.Zhu - Y.T. Zhu
- Yu.Abe - Yukiko Abe
- Yuen P.Yang - Yuen Po Yang
- Yunck. - Truman George Yuncker
- Y.Wei - Yun Wei
- Y.W.Law - Yuh Wu Law
- Y.Wright - Ysabel Wright
- Y.W.Shen - Yin Wu Shen
- Y.Wu - Y. Wu
- Y.W.Xu - Yi Wei Xu
- Y.Xu - Yin Xu (botanist)
- Y.X.Wei - Yin Xin Wei
- Y.Y.Lee - Yao Yin Lee
- Y.Z.Shen - Yan Zhang Shen
Z
edit- Zabel - Hermann Zabel
- Z.Aguirre - Zhofre Aguirre
- Zahlbr. - Alexander Zahlbruckner
- Zalewski - Aleksander Zalewski
- Zamudio - Sergio Zamudio Ruíz
- Zanardini - Giovanni Zanardini
- Zander - Robert Zander
- Zangh. - Pietro Zangheri
- Zannich. - Giovanni Gerolamo Zannichelli
- Zanon - Vito Zanon
- Zanoni - Thomas A. Zanoni
- Zanted. - Giovanni Zantedeschi
- Zapal. Zapal. - Hugo Zapalowicz
- Zapata - Mario Zapata Cruz
- Zapater - Bernardo Zapater
- Zapfack - Louis Zapfack
- Zappi - Daniela Cristina Zappi
- Zárate - Sergio Zárate Pedroche
- Zardini - Elsa Matilde Zardini
- Zarucchi - James Lee Zarucchi
- Z.A.Shen - Zu An Shen
- Zauschn. - Johann Baptista Josef Zauschner
- Z.C.Tang - Zhao Cheng Tang
- Z.D.Cheng - Zhao Di Cheng
- Z.D.Wei - Zhi Dan Wei
- Zea - Francisco Antonio Zea
- Zebell - Randy K. Zebell
- Zeberzh. - E.B. Zeberzhinskaya
- Zebrowski - George Zebrowski
- Zefir. - B.M. Zefirov
- Zeiss. - Hermann Zeissold
- Zeller - Sanford Myron Zeller
- Ze M.Wu - Ze Min Wu
- Zenari - Silvia Zenari
- Zenker - Jonathan Carl Zenker
- Zerov - Dmitriy Konstantinovich Zerov
- Zevenb. - H.A. Zevenbergen
- Zeyh. - Carl Ludwig Philipp Zeyher
- Z.Fleisch. - Zdenek Fleischer
- Z.F.Xu - Zai Fu Xu
- Z.H.Shen - Ze Hao Shen
- Z.H.Tsi - Zhan Huo Tsi
- Zhuk. - Peter Mikhailovich Zhukovsky
- Zhurb. - Mikhail P. Zhurbenko
- Zick. - Ernst Zickendrath
- Zickel - Carmen Sílvia Zickel
- Ziegensp. - Hermann Robert Theodor Ziegenspeck
- Ziegler - Arthur William Ziegler
- Ziel. - Jerzy Zielinski
- Ziesenh. - Rudolf Christian Ziesenhenne
- Ziemb.-Tworz. - Maria Ziembinska-Tworzydlo
- Zigno - Achille de Zigno
- Zigra - Johannes Hermann Zigra
- Z.Igmándy - Z. Igmándy
- Zijp - Coenraad van Zijp
- Zillig - Hermann Zillig
- Ziman - Svetlana Ziman
- Zimm. - Albrecht Wilhelm Phillip Zimmermann
- Zimmerman - Dale A. Zimmerman
- Zimmeter - Albert Zimmeter
- Zind.-Bakker - Edward Meine van Zinderen-Bakker
- Zingone - Adriana Zingone
- Zinn - Johann Gottfried Zinn
- Zinserl. - Iurij Dmitrievitch Zinserling
- Zinsm. - Johan Baptist Zinsmeister
- Zipp. - Alexander Zippelius
- Zitt. - Karl Alfred von Zittel
- Z.Iwats. - Zennoske Iwatsuki
- Ziz - Johann Baptist Ziz
- Zizka - Georg Zizka
- Z.J.Tang - Zhi Jie Tang
- Zhou - Z.K. Zhou
- Z.Lawr. - Zofia Lawrence
- Z.L.Cheng - Zeng Lin Cheng
- Z.L.Xu - Zeng Lai Xu
- Zobel - Johann Baptista Zobel
- Zohary - Michael Zohary
- Zojajifar - Shirin Zojajifar
- Zoll. - Heinrich Zollinger
- Zöllner - Otto Zöllner Schorr
- Zona - Scott Zona
- Zondag - J.L.P. Zondag
- Zong Y.Zhu - Zong Yuan Zhu
- Zonn. - Bernardus Joannes Maria Zonneveld
- Zopf - Friederich Wilhelm Zopf
- Zorn - Johannes Zorn
- Z.R.Xu - Zhao Ran Xu
- Zotov - Victor Dmitrievich Zotov
- Zschacke - Georg Hermann Zschacke
- Z.Seibert - Z. Seibert
- Z.S.Rogers - Zachary Scott Rogers
- Z.S.Xu - Zao Shi Xu
- Z.Thomps. - Zodock Thompson
- Zucc. - Joseph Gerhard Zuccarini
- Zuccagni - Attilio Zuccagni
- Zuilen - Caroline M. van Zuilen
- Zuloaga - Fernando Omar Zuloaga
- Zumagl. - Antonio Maurizio Zumaglini
- Zundel - George Lorenzo Ingram Zundel
- Zwackh - Philipp Franz Wilhelm von Zwackh-Holzhausen P. F. W. von Zwackh-Holzhausen
- Z.Wei - Zhi Wei
- Z.X.Tang - Zong Xiao Tang
- Z.Xu - Zhu Xu
- Z.X.Wei - Zhao Xiang Wei
- Zycha - Herbert Zycha
- Zykoff - W. Zykoff
- Z.Y.Zhu - Zheng Yin Zhu
- Z.Žižka - Zdenek Žižka