Coprinus seymourii
An inky cap described by Peck in 1876 from New York, named for the collector A.B. Seymour. GBIF has four scattered records in Colorado, Illinois, Michigan and Canada.
At home, aim for
Day
IntermediateTargets in Plantistry
Night
Close to the dayTargets in Plantistry
Humidity
Very humid airBand in Plantistry
Light
Dappled lightDLI and PPFD in Plantistry
Expects a seasonal rest
Where it grows wild
Habitat not reachable; Peck's small inky caps typically grew on lawns, dung or rich soil.
Lowland to 1,600 m (Denver record).
United StatesCanada
🔒 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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More Coprinus
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.