Ganoderma oregonense
The west-coast reishi is a large varnished conk on dead and wounded conifers from California to Alaska. It fruits annually, usually in late summer and autumn, and is grown by cultivators on conifer sawdust or logs much like other reishi.
Where it grows wild
Wood-decay fungus on dead red fir and on dead or living Douglas-fir, spruce, hemlock and pine, often entering living trees through wounds. Leaves the wood soft and spongy.
Recorded at 27–1754 m, median 75 m; mostly coastal lowland conifer forest.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.