Two new species and one new variety of Agaricales from central Honshu, Japan

Two new species and one new variety of Agaricales are described and illustrated from central Honshu, Japan: Clitocybe trogioides var. odorifera var. nov. (subgenus Cystoclitus section Cystoclitus), forming white, infundibuliform basidiomata, was collected from leaf litter in the Quercus-Pasania forests; Gerronema nemorale sp. nov. (section Xanthophylla), forming small, olivaceous, omphalinoid basidiomata, was found on dead fallen twigs in the Quercus-Pasania forests; Psathyrella cineraria sp. nov. (subgenus Mycophylla section Argillosporae), forming basidiomata covered by detersile, dark grey, fibrillose-squamulose veil, was found on decayed wood of Quercus myrsinaefolia.