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Larry Martin | all galleries >> Galleries >> Fungi of the Pacific Northwest > Caulorhiza umbonata
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05-Jan-2024 Larry Martin

Caulorhiza umbonata

Samuel Taylor State Park, California

Redwood Rooter
This distinctive saprobic species is nearly always growing under redwood or sometime on its downed wood, but can rarely be found in mixed forests lacking in redwood. It has a honey-colored to chestnut or orange-brown cap, up to 6 inches across, with an umbo. Caps are convex, becoming flat to uplifted and may have wavy margins. They are smooth and dry with a greasy feel. The whitish gills are free to barely attached and close. They drop white spores. Stipes may be up to 6 inches with another 6 or more inches of radicating stipe below in the substrate They may be cylindrical but are often grooved as shown above or twisted, but usually quite straight and tapering downward. Color is usually beige to tan. There is no odor. They are not known to be edible.


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