commonly known yellow flame mushroom genus fruit body golden yellow color cap stem covered sharp scales saprobic fungus fruit bodies typically appear clusters stumps dead coniferous trees distributed europe north_america asia temperate regions edibility clarified taxonomy species recognised german august later sanctioned swedish mycologist specific epithet latin meaning recognition independent genus type species german renamed fungus french mycologist proposed synonym american mycologist called species study pacific_coast mushrooms explain rationale transferring species organization species placed subgenus section grouping closely related species includes species characterised having conspicuous erect scales cap surface easily rain age lieu gelatinous nature underlying cap cuticle commonly known yellow flame description striking appearance cap initially round convex finally age surface bright yellow orange covered triangular scales arranged concentric rings cap surface dry matt felt like wet conditions lose scales cap margin remain curved slightly yellow gills crowded attached stem notch gill stem bright yellow partial veil extending cap edge edge present immature species cap expands age partial veil tears leaving faint ring stem cylindrical straight curved stem covered yellow ring base stem typically orange color upper portion firmly attached dead wood fungus arises section stem ring bears little flesh firm yellow change color bruised injured dimensions fruit body follows cap diameter stem tall thick fruit body matures gills brown following spore release spore mass colored brown microscopic features light microscope spores seen smooth elliptical shape dimensions basidia spore bearing cells spored narrow club shape dimension gill cystidia seen stain blue cotton blue applied cap cuticle approximately thick layer gelatinous hyphae thick gelatinous hyphae present cap surface surface stem local differences cell structure explain ease scales cap stems fruit bodies microscopic characteristics species grown culture described detail edibility fruit bodies bear distinctive smell taste mild slightly bitter opinions divided edibility authors regard mushroom consider edible unknown edibility similar species members genus mistaken especially commonly forms large base deciduous coniferous trees tends intense yellow color similar prefers grow dead unlike gelatinous scales stem cap north american species described closely related differs having distinctly cap smith later revise opinion existence unique species believed environmental variations humidity cause differences cap cuticle observed collected different north american considered synonymous habitat distribution saprobic found exclusively dead decaying stumps coniferous trees fruit bodies appearing singly summer autumn fungus wide geographical distribution temperate regions considered common rare depending region occurs found europe british isles russia north_america southern canada usa species collected asia including india china
Pholiota flammans