A white, rooting, fasciculate Nothofagus‑associated Thaxterogaster with a viscid white cap, very crowded white gills, a tapering rooting stipe, and finely punctate spores

Pileus: 25-60 (to 110) mm, viscid, not hygrophanous. Colour uniformly white, sometimes slightly yellowing at the disc. Surface glabrous to finely innate‑fibrillose; margin thinly felty when young.
Lamellae: White to grey‑white, very crowded, not serrulate.
Stipe: tapering and rooting, white, with a white fibrillose coating, often thinly peronate.
Veil: White, sparse; cortina white.
Context: White
Odour/taste: Odour absent or faintly “paint‑like”. Taste nil.