Descripción original Deseription: Pileus 2-5 mm, convex then expanding, blunt, white, slightly translucently striate, subtly prumose or pruinose-micaceous, but not hairy (lens). Lamellae moderately close, L = 10-12, l= 1. broadly adnate. arcuate: not decurrent offen farkecl and trreonlar cametimec> wsithaeeusiener Pen stipe in stareshape, white, with flocculose, lamella edge. which often exudes small drops, Stipe 4+. 8 x 0,2-0.5 mm, often slightly eccentric, white, densely pruinose not hairy (lens), with naked base, but sometimes with rhizoids, Smell none. Spores 8.5—11.5 (13) « 2.5-4.0 (4.5) pm, FE = 2.0-4.9,Q — 3.0, oblong-fusiform with long attenuated end, thin-walled. Basidia 14-23 x 4.0—7.5 um, 2-, 3- and 4-spored. Lamella edge sterile. Cheiloeystidia20-28 x 3.0-6.0 « 5.5 8,0 jum, utriform with broad, (sub-)capitate neck. Pileipellis hymeniform, made up of lageniform to utriform terminal elements, 20-30 x 3.0-6,5 « 5.0-8.5 jum similar to cheilocystidia, Stipitipellis a cutis of narrow, 2.0-4.5 jum wide, smooth or somewhat diverticulate hyphac. Caulocystidia abundant, 15-24 x 2.04.0 x 3.5—7.5 tm, cylindrical-flexuous, capitate, hyphac. Caulocystidia abundant, 15-24 x 2.04.0 x 3.5—7.5 tm, cylindrical-flexuous, capitate, Clamp-connections not observed. Chemical reaction: no part of basidiocarp amyloid or dextrinoid,
Ecology: Saprotrophic on the base of the tachis of Drvopteris filix-mas in (sub)alpine habitats
