Tephrocybe mephitica (Fr) M.M. Moser syn. Collybia mephitica (Fr) Sacc. (illustrated 80% life size) Cap 1–2cm across, convex, flattening when expanded, umbonate; greyish-brown, lighter towards the edge, pallid when dry; pruinose. Stem 20–40×1–1.5mm; pallid brownish-grey; powdery-granular. Flesh pale buff; taste and smell mealy. Gills close; white to pale pinkish-grey. Spores 3.5–4×2.5¼, ovoid. Spore print white. Habitat in mixed woods on leaf litter; late spring to autumn. Very rare. Unknown edibility, avoid.
