Hohenbuehelia ilerdensis, a new graminicolous species from semisteppe areas of Lleida (western Catalonia, Spain)

Hohenbuehelia ilerdensis Courtec., Vila ct Rocabruna, a new species growing at the bases of dead grasses in semisteppe communities near Lleida (Catalo nia, NE Spain), is described. It is readily distinguished from related spec ies such as H. culmicola Bon and H. longipes (Boud) Moser by its small size , glabrous cap covering, typically central stipe, more or less violaceous c olour, inconspicuous pleurocystidia and the presence of abundant caulocysti dia.