species fungus known japan collected described species produces small mushrooms white caps short thin black stems unlike similar species stems enter plant matter mushroom grows white gills spread cap reach stem flesh taste found june species grows dead leaves takes specific epithet taxonomy naming described article based specimens collected japan specific refers fact species grows leaves species japanese common species genus probably belongs section characters stem gills outer layer cap description produces mushrooms convex caps millimetres diameter featuring caps expand age dry dull cap surface covered tiny grains mushrooms age caps young mushrooms coloured light brown paler cap margin mature caps paler approaching white fully matured thin smooth stem measures length thick connects centre cap dark brown black colour seen base stem anchors substrate white gills stem depth depth crowded separate gills reach stem gill broad thinner edge mushrooms thin layer whitish flesh thick tough flexible flesh lacks taste microscopic characteristics produces ellipsoid spores ornamentation thin cell walls examinations observe basidia describe club shaped immature basidia measured tightly packed cheilocystidia cystidia edge gill form sterile edge gill pleurocystidia cystidia face gill layer cap forms cell structure reminiscent hymenium gills club shaped cells measuring reddish brown smooth cell walls thick layer stem cylindrical hyphae measuring width run parallel brown cell walls measuring thick walls separating individual cells clamp connections flesh cap irregularly arranged cylindrical hyphae wide stain dark reddish brown melzer reagent solution flesh stem hyphae run stem measure thickness smooth cell walls stain dark reddish brown melzer reagent solution clamp connections similar species known sri_lanka indonesia somewhat similar differentiated stem enter substrate gills differ gills orange sport cheilocystidia pale yellow habitat distribution known lowland forests japan found june mushrooms grow large numbers close grow dead leaves grass bamboo fallen
Marasmius sasicola