species mushroom family reported new species known central japan found growing scattered dead leaves lowland forests dominated oak mushrooms olive brown caps diameter atop slender stems long thick underside cap spaced whitish gills cross veins running microscopic characteristics mushroom include smooth irregularly cylindrical cheilocystidia cystidia gill edge absence pleurocystidia cystidia gill face elements cap cuticle broadly club shaped irregularly shaped cystidia stem weakly flesh reddish reddish brown melzer reagent absence clamp connections edibility mushroom unknown naming mushroom collected japanese mycologist published new species seven japanese publication specific epithet latin word refers gills japanese according fungus best classified section defined dutch specialist description cap initially conical convex bell shaped eventually reaching diameter moist partly translucent outlines gills underneath cap seen cap somewhat dry surface initially covered fine white powder effect soon leaving surface smooth cap color initially olive brown yellowish brown somewhat paler margin white flesh thick lacks distinctive taste odor slender stem long thick cylindrical hollow surface dry colored pale olive brown near olive brown downward like cap age base stem covered coarse white hairs gills running slightly length stem spaced gills reaching stem gills broad thin somewhat whitish edges color gill faces description include discussion mushroom edibility microscopic characteristics roughly ellipsoid measure thin walled smooth weakly indicating weak ability absorb melzer reagent spore bearing cells basidia club shaped spored cheilocystidia cystidia gill edge abundant form sterile gill edge irregularly cylindrical smooth thin walled pleurocystidia cystidia gill face absent tissue thin walled hyphae wide cylindrical smooth weakly cap cuticle parallel bent hyphae wide cylindrical densely covered finger like thin walled layer hyphae underneath cap cuticle parallel olive brown weakly short inflated cells wide stem cuticle parallel bent hyphae wide cylindrical smooth sparsely hyphae curve outward form club shaped irregularly shaped cystidia stem olive brown thin walled measure broadly club shaped irregularly shaped like stem tissue running cylindrical hyphae wide smooth weakly melzer reagent clamp connections absent tissues similar species european species somewhat similar appearance distinguished greenish edged gills cheilocystidia abruptly tapering points clamp connections habitat distribution known japan fruit bodies found solitary scattered dead leaves lowland forests dominated oak trees
Mycena intersecta