Pseudephebe minuscula

Pseudephebe minuscula
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Parmeliaceae
Genus:	Pseudephebe
Species:	P. minuscula
Binomial name
	Pseudephebe minuscula; (Nyl. ex Arnold) Brodo & D.Hawksw. (1977)
Synonyms
	Imbricaria lanata var. minusculaNyl. ex Arnold (1878); Alectoria lanata f. minusculaNyl. ex Leight. (1878); Alectoria minusculaNyl. (1871); Alectoria minuscula(Nyl. ex Arnold) Degel. (1938); Cornicularia lanata var. minuscula(Nyl. ex Arnold) Hue (1915); Parmelia minuscula(Nyl. ex Arnold) Nyl. (1887); Parmelia pubescens var. minuscula(Nyl.) Dalla Torre & Sarnth. (1902);

Last updated October 05, 2025

Pseudephebe minuscula is a species of fruticose lichen in the family Parmeliaceae. In North America, it is known colloquially as coarse rockwool.^[2] It has an antitropical distribution.^[3]

Description

The lichen has a dark brown to almost black filamentous thallus, comprising individual cylindrical branches, closely attached to the rock substrate, often flattened, measuring 0.2–0.5 mm thick. It is common in windswept arctic and alpine environments, where it grows on granitic rocks and pebbles.^[2]

References

↑ "Synonymy: Pseudephebe minuscula (Nyl. ex Arnold) Brodo & D. Hawksw., Op. bot. 42: 140 (1977)". Species Fungorum . Retrieved 2 April 2021.
1 2 Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 587. ISBN 978-0-300-08249-4.
↑ Garrido-Benavent, Isaac; Pérez-Ortega, Sergio; de los Ríos, Asunción; Mayrhofer, Helmut; Fernández-Mendoza, Fernando (2021). "Neogene speciation and Pleistocene expansion of the genus Pseudephebe (Parmeliaceae, lichenized fungi) involving multiple colonizations of Antarctica". Molecular Phylogenetics and Evolution. 155 107020. doi:10.1016/j.ympev.2020.107020.

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[Species_Fungorum_synonymy-1] "Synonymy: Pseudephebe minuscula (Nyl. ex Arnold) Brodo & D. Hawksw., Op. bot. 42: 140 (1977)". Species Fungorum . Retrieved 2 April 2021.

[Brodo_et_al._2001-2] 1 2 Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen (2001). Lichens of North America. Yale University Press. p. 587. ISBN 978-0-300-08249-4.

[Garrido-Benavent_et_al._2021-3] Garrido-Benavent, Isaac; Pérez-Ortega, Sergio; de los Ríos, Asunción; Mayrhofer, Helmut; Fernández-Mendoza, Fernando (2021). "Neogene speciation and Pleistocene expansion of the genus Pseudephebe (Parmeliaceae, lichenized fungi) involving multiple colonizations of Antarctica". Molecular Phylogenetics and Evolution. 155 107020. doi:10.1016/j.ympev.2020.107020.

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