A medium grey forest waxgill genetically distinct from Cuphophyllus griseorufescens. It has a dry grey cap, ~30 decurrent lamellae, and a pale brittle stipe lacking any pink or orange basal colours.
Pileus: Medium‑sized, typically 20–40 mm across, convex becoming expanded, sometimes shallowly depressed in age. Surface dry, smooth to minutely fibrillose, coloured grey to grey‑brown, occasionally with a muted brownish disc. Margin striate, especially when hygrophanous. No pink or orange tones observed.
Lamellae: Approximately 30 major lamellae; arcuate to decurrent, moderately spaced, pale grey to grey-cream. Edges concolorous. No fuliginous or brown tints as seen in C. griseorufescens.
Stipe: Slender, 30-60 x 3-6 mm, pale grey to whitish, dry, brittle, glabrous or faintly fibrillose. No pink or orange basal colours, even in older basidiomes. Hollow.
Context: Whitish to pale grey; no coloured basal context.
Odour/tast: Not distinctive.
Common name: None
Habitat: Lowland podocarp-broadleaf forest
Substrate: Ground
Distribution: Auckland
Season: Autumn
Biostatus: Endemic to New Zealand
Edible: No
Spore print: White