Umbilicaria hyperborea, commonly known as blistered rock tripe,[2] is a species of foliose lichen in the family Umbilicariaceae. It is widely distributed in arctic and alpine regions.
| Umbilicaria hyperborea | |
|---|---|
| |
| on Blackcomb Peak, Whistler, British Columbia | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Umbilicariales |
| Family: | Umbilicariaceae |
| Genus: | Umbilicaria |
| Species: | U. hyperborea
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| Binomial name | |
| Umbilicaria hyperborea | |
| Synonyms[1] | |
| |
Taxonomy
editIt was first described as a new species by Swedish lichenologist Erik Acharius in 1794 as Lichen hyperboreus.[3] Georg Franz Hoffmann transferred it to the genus Umbilicaria in 1796.[4]
In a 2017 molecular phylogenetic analysis of the genus Umbilicaria, U. hyperborea was proposed as the type species of the subgenus Umbilicaria. Closely related species include U. polyphylla, U. iberica, and U. arctica.[5]
Description
editThe thallus of Umbilicaria hyperborea ranges in colour from medium- to dark-brown, with texture of the upper surface more or less smooth or warty. The thallus undersurface is smooth, and there are not any rhizines. The disc-shaped apothecia are flat to convex and have multiple complex ridges.[2]
Habitat and distribution
editThe lichen typically grows on rock in arctic and alpine climates.[2] It has, however, been recorded growing on acidic wood; specimens found in this substrate may have an altered morphology compared to those found on rock, such as stunted and faded thalli lacking apothecia.[6] It is one of the most common Umbilicaria species in Arctic and adjacent Northern locations.[7] Umbilicaria hyperborea has a very slow growth rate; in a study undertaken in Greenland, it was measured as 0.3–0.4 mm per year over the time period 1933–1970.[8]
References
edit- ^ "Synonymy: Umbilicaria hyperborea (Ach.) Hoffm., Deutschl. Fl., Zweiter Theil (Erlangen): 110 (1796) [1795]". Species Fungorum. Retrieved 21 March 2021.
- ^ a b c Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 703. ISBN 978-0300082494.
- ^ Acharius, E. (1794). "Nya och mindre kända Svenska Lafarter". Kongliga Vetenskaps Academiens Nya Handlingar (in Swedish). 15: 81–103.
- ^ Hoffmann, G.F. (1796). Deutschlands Flora oder botanisches Taschenbuch. Zweyter Theil für das Jahr 1795. Cryptogamie (in Latin). p. 110.
- ^ Davydov, Evgeny A.; Peršoh, Derek; Rambold, Gerhard (2017). "Umbilicariaceae (lichenized Ascomycota) – Trait evolution and a new generic concept". Taxon. 66 (6): 1282–1303. doi:10.12705/666.2.
- ^ Osyczka, Piotr; Węgrzyn, Michał (2008). "Lichens on lignum in the coastal regions of western Spitsbergen (Svalbard)". Biologia. 63 (6): 1069–1072. doi:10.2478/s11756-008-0158-0.
- ^ Davydov, Evgeny A.; Himelbrant, Dmitry E.; Stepanchikova, Irina S. (2011). "Contribution to the Study of Umbilicariaceae (Lichenized Ascomycota) in Russia. II. Kamchatka Peninsula". Herzogia. 24 (2): 251–263. doi:10.13158/heia.24.2.2011.251.
- ^ Hansen, Eric Steen (2004). "An initial study of lichen growth on boulders and rocks near the Mittivakkat Gletscher, South East Greenland". Graphis Scripta. 15: 33–38.