Ripartitella degreefii (Tricholomataceae), a new species from tropical Africa

A new species of Ripartitella, R. degreefii, is proposed based on phylogenetic, morphological, and ecological evidence from specimens collected in medium elevation (1000 to 2100 masl) forests of the Albertine Rift, in the Democratic Republic of Congo and São Tomé (Africa). The species is described and compared to phylogenetically related or morphologically similar species.