Abstract
Inocybe crenata sp. nov. (subsec. Geophyllinae, sect. Tardae) has been described from conifer dominated forests of Pakistan. Inocybe crenata differs from other related species by having a pale-yellow pileus with crenate margins and a bumpy or cracked center, with a fibrillose stipe. Phylogenetic analysis based on nuclear ribosomal large subunit (LSU) and internal transcribed spacer (nrITS) sequence data supported the identity of Inocybe crenate as a distinct taxon. A detailed description of this novel species is provided.