A New SquamuloseSarcogynefrom Oregon

[摘要] Sarcogyne squamosais newly described from Oregon, USA. It was found on noncalcareous rock in shrub steppe, where it forms reddish brown cushions of imbricate, stipitate squamules. The squamulose thallus with erumpent and sessile apothecia is unique for this genus. This is the third species in the genus with a corticate thallus. 

[学科分类] 植物学

[关键词] Acarosporaceae;Artemisia tridentata;Columbia Plateau;Hart Mountain;lichenized ascomycetes;Sarcogyne squamosa;shrub steppe