Pseudocyphellaria perpetua

Pseudocyphellaria perpetua
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Peltigerales
Family:	Peltigeraceae
Genus:	Pseudocyphellaria
Species:	P. perpetua
Binomial name
	Pseudocyphellaria perpetua; McCune & Miądl. (2002)

Pseudocyphellaria perpetua is a species of corticolous (bark-dwelling), foliose (leafy) cyanolichen in the family Peltigeraceae. It was described as new to science in 2002 by lichenologists Bruce McCune and Jolanta Miądlikowska.^[1] It is distinguished from similar species, including some forms of P. crocata, by its yellow medulla and mostly marginal soralia. Other characteristics include its narrow, linear lobes, and its pale lower undersurface.^[1] Some molecular phylogenetic analysis suggests that Pseudocyphellaria perpetua and P. crocata are morphotypes of the same phylogenetic species.^[2] P. perpetua occurs on both conifer and hardwood trees in oceanic areas of the western North America and in the Russian Far East.^[1] It has also been documented as an uncommon species in Nova Scotia (eastern Canada).^[3]

References

^ ^a ^b ^c Miadlikowska, Jolanta; McCune, Bruce; Lutzoni, François (2002). "Pseudocyphellaria perpetua, a new lichen from western North America". The Bryologist. 105 (1): 1–10. doi:10.1639/0007-2745(2002)105[0001:ppanlf]2.0.co;2. JSTOR 3244816. S2CID 33926437.
^ Summerfield, Tina C.; Eaton-Rye, Julian J. (2006). "Pseudocyphellaria crocata, P. neglecta and P. perpetua from the Northern and Southern Hemispheres are a phylogenetic species and share cyanobionts". New Phytologist. 170 (3): 597–607. doi:10.1111/j.1469-8137.2006.01701.x. PMID 16626479.
^ Cameron, Robert P.; Richardson, David H.S. (2006). "Occurrence and abundance of epiphytic cyanolichens in protected areas of Nova Scotia, Canada" (PDF). Opuscula Philolichenum. 3: 5–14. doi:10.5962/p.381852.

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[Miadlikowska_et_al._2002-1] Miadlikowska, Jolanta; McCune, Bruce; Lutzoni, François (2002). "Pseudocyphellaria perpetua, a new lichen from western North America". The Bryologist. 105 (1): 1–10. doi:10.1639/0007-2745(2002)105[0001:ppanlf]2.0.co;2. JSTOR 3244816. S2CID 33926437.

[Summerfield_&_Eaton‐Rye_2006-2] Summerfield, Tina C.; Eaton-Rye, Julian J. (2006). "Pseudocyphellaria crocata, P. neglecta and P. perpetua from the Northern and Southern Hemispheres are a phylogenetic species and share cyanobionts". New Phytologist. 170 (3): 597–607. doi:10.1111/j.1469-8137.2006.01701.x. PMID 16626479.

[Cameron_&_Richardson_2006-3] Cameron, Robert P.; Richardson, David H.S. (2006). "Occurrence and abundance of epiphytic cyanolichens in protected areas of Nova Scotia, Canada" (PDF). Opuscula Philolichenum. 3: 5–14. doi:10.5962/p.381852.

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