Coprinus asterophorus

An inkcap described by Long and Miller in 1945 from the arid interior of the western United States, where GBIF has only a handful of records from 1,700–1,900 m in Nevada, Colorado and Utah. Almost nothing is published beyond the original description, so the conditions below come from the measured semi-arid climate and the habits of desert Coprinus; it is not in cultivation.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Probably on soil or buried organic debris in open semi-arid shrubland, fruiting after rain; the original habitat notes were not available.

The recorded sites sit at about 1,700–1,900 m.

Western United States

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.