Abstract: A new species, Pseudoarmillariella bacillaris, is described from southwestern China based on both morphological and molecular phylogenetic evidence. This species differs phenotypically from the remaining two known species in the genus by its bacilliform basidiospores. The discovery of the new taxon in Asia indicates the genus Pseudoarmillariella has a much wider geographical distribution range than had previously been known. 

　　Key words: biogeography, Hygrophoraceae, new species, taxonomy 

　　To cite this article: Yang ZL*, Feng B, Hao YJ. 2013. Pseudoarmillariella bacillaris, a new species with bacilliform basidiospores in Asia. Mycosystema 32 (suppl.): 127–132