Pseudocyphellaria argyracea

Pseudocyphellaria argyracea is a species of foliose lichen in the family Peltigeraceae. It was first scientifically described in 1822 by Dominique François Delise.^[2] Edvard Vainio transferred it to the genus Pseudocyphellaria in 1898.

Pseudocyphellaria argyracea
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Peltigerales
Family:	Peltigeraceae
Genus:	Pseudocyphellaria
Species:	P. argyracea
Binomial name
Pseudocyphellaria argyracea (Delise) Vain. (1898)
Synonyms[1]
Lichen argyraceus Bory (1822) Pseudocyphellaria argyracea var. sorediifera (Delise) Malme (1899) Sticta argyracea Delise (1822) Sticta argyracea var. sorediifera Delise (1825) Stictina argyracea (Delise) Nyl. (1860) Stictina argyracea f. sorediifera (Delise) Stizenb. (1895) Stictina argyracea var. sorediifera (Delise) Stizenb. (1890)

Description

Pseudocyphellaria argyracea has a foliose thallus that ranges from rosette-forming to irregularly spreading. Its upper surface features laminal white soralia and pseudocyphellae, while the pseudocyphellae and lobe margins bear simple to coralloid isidia.^[3]

Habitat and distribution

From East Africa to India, Japan, New Zealand, South America, and the Pacific islands, Pseudocyphellaria argyracea has a broad distribution in the Palaeotropics.^[3]