Megacollybia platyphylla, also know as Broad-gilled Collybia, is a medium to large, fleshy agaric that has a pale brown, fibrillose cap, whitish gills and stem. It grows solitarily or in small groups on and near deciduous hardwood trunks, branches or woody debris. Less commonly on conifer timber.
mid- to pale brown, convex to umbonate. It has radiating fibers on dry cap surface. Gills
medium-spaced, adnate or notched. Spores
are pale cream colored. Stem
hollow at center and whitish, with darker fine fibrils that are less dense than on cap. It is more or less equal and thickened at base. It has no ring.
Pluteus cervinus has free gills and a salmon-pink spore print.
on the www.first-nature.com web site.