Umbilicaria polyphylla

Umbilicaria polyphylla
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Umbilicariales
Family:	Umbilicariaceae
Genus:	Umbilicaria
Species:	U. polyphylla
Binomial name
	Umbilicaria polyphylla; (L.) Baumg. (1790)
Synonyms[1]
	Lichen polyphyllus L. (1753);

Umbilicaria polyphylla, commonly known as petaled rock tripe,[2] is a widely distributed species of saxicolous lichen in the family Umbilicariaceae. It was first described by Carl Linnaeus in his 1753 work Species Plantarum as Lichen polyphyllus. German botanist Johann Christian Gottlob Baumgarten transferred it to the genus Umbilicaria in 1790. The lichen has a dark brown to black thallus that measures 2–6 cm (0.8–2.4 in) in diameter. The upper surface is smooth, while the lower surface is sooty black. It grows on exposed rocks, typically in arctic-alpine habitats.[2]

In Iceland, it has the conservation status of a vulnerable species (VU).[3]

References

"Synonymy: Umbilicaria polyphylla (L.) Baumg". Species Fungorum. Retrieved 12 February 2021.
Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 706. ISBN 978-0300082494.
Náttúrufræðistofnun Íslands [Icelandic Institute of Natural History] (1996). Válisti 1: Plöntur. (in Icelandic) Reykjavík: Náttúrufræðistofnun Íslands.

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[Species_Fungorum_synonymy-1] "Synonymy: Umbilicaria polyphylla (L.) Baumg". Species Fungorum. Retrieved 12 February 2021.

[Brodo_et_al._2001-2] Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 706. ISBN 978-0300082494.

[NÍ1996-3] Náttúrufræðistofnun Íslands [Icelandic Institute of Natural History] (1996). Válisti 1: Plöntur. (in Icelandic) Reykjavík: Náttúrufræðistofnun Íslands.