- Coprinus, genus Coprinus - genus of black-spotted agarics in which the cap breaks down at maturity into an inky fluid; sometimes placed in its own family Coprinaceae
--1 is a kind of fungus genus
--1 is a member of Agaricaceae, family Agaricaceae
--1 has members:inky cap, inky-cap mushroom, Coprinus atramentarius; shaggymane, shaggy cap, shaggymane mushroom, Coprinus comatus