Cap: convex to applanate; 2–5mm diameter; velutinate; white; margin inrolled.

Stipe: cylindrical, tough; 10 – 15 × 0.5–1 mm; glabrous; dark brown to black; insitious.

Gills:

Flesh:

Spore print: white.

Spores: not examined.

Notes: this Marasmius is characterized by its combination of a white cap and dark horsehair like stipe attached directly to the substrate. Possibly the same as M. sp 1!