– Cap bell-shaped, silver-gray to brown-gray with a small umbo in the center.
– Gills initially gray-white, turning black with age and dissolving into an ink-like liquid.
– Stem hollow, white, often with a ring-like zone above the tapered stem base.
Coprinoid agarics
Humpback Inkcap
Coprinopsis acuminata
LC
Least concern
Inedible
3 images
Characteristics
Ecology
Grows in tufts on the ground in deciduous forests or on lawns in parks, etc.
Notes
May contain coprine, not edible.
Similar species
Coprinopsis atramentaria is similar but lacks a distinct umbo and often has small brownish scales on the cap.