Protousnea

Protousnea is a genus of lichenised ascomycetes in the large family Parmeliaceae. It contains two accepted species. Protousnea species have a fruticose growth form, similar to beard lichens (genus Usnea). The genus is endemic to southern South America. The genus was circumscribed in 1976 by Hildur Krog as a segregate genus from Usnea.

Species

 * Protousnea fibrillatae Calvelo, Stock.-Wörg., Liber. & Elix (2003)
 * Protousnea magellanica (Mont.) Krog (1976)