Mushrooms · La Saladita, Guerrero

Common Ink Cap

Coprinopsis atramentaria

Spanish: Tintero

Common Ink Cap (Coprinopsis atramentaria)
Photographed by marktwixt on iNaturalist · CC-BY-NC · taken in Lowes Creek County Park, Eau Claire, WI, US, not near La Saladita

Coprinopsis atramentaria, commonly known as the common ink cap or inky cap, is an edible (but sometimes poisonous, when combined with alcohol) mushroom found in Europe and North America. Previously known as Coprinus atramentarius, it is the second best known ink cap and previous member of the genus Coprinus after C. comatus. It is a widespread and common fungus found throughout the northern hemisphere. Clumps of mushrooms arise after rain from spring to autumn, commonly in urban...

TaxonomyAgaricomycetes › Agaricales › Psathyrellaceae
Local recordsNot recorded by research-grade iNaturalist observations within about 50 km; listed from the site's curated guide
Global records24,307 on iNaturalist

Interactive card with more photos, sounds and similar species Mushrooms guide iNaturalist Wikipedia

Cite as: “Common Ink Cap (Coprinopsis atramentaria) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/coprinopsis-atramentaria/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.