Stropharia rugomarginata
Stropharia rugomarginata was described by Zeller and Epling in 1922 from Corvallis, Oregon, and is known almost only from there, fruiting in November and December under pines and on lawns. It is not cultivated; these notes are built from the measured Willamette Valley climate.
Where it grows wild
On soil and needle litter under pines, and on lawns, in and around Corvallis.
Low elevation in the Willamette Valley; few records carry an elevation.
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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.