Page author: Olivia Filialuna
Tricholoma ustale

Habitat: Hardwoods, especially oaks

Conservation Status: Not of concern

Identification Notes:

Cap: 4-15 cm wide, convex at first, becoming broadly convex, occasionally broadly umbonate; surface viscid then dry, glabrous nearly overall except for scattered appressed radial fibrils on the disc; grayish orange to brownish orange with a dark brown disc, darkening in age; margin incurved at first, becoming uplifted, lobed and wavy. Flesh: whitish; odor slightly farinaceous or not distinctive; taste mild to bitter. Gills: adnate to sinuate, sometimes with a subdecurrent tooth, close; pale buff or yellowish white, discoloring reddish brown in spots or on the edges. Stalk: 3.5-9 cm long, 1.5-3.5 cm thick, nearly equal or tapered slightly toward the base, solid or hollow; surface appressed-fibrillose to finely squamulose, pruinose at the apex; whitish to pale yellow on the upper portion, progressively darker toward the base, sometimes colored like the cap in age.

Sources: Bessette, Alan E., Arleen R. Bessette, William C. Roody, and Steven A. Trudell. Trichoolomas of North America. Austin, University of Texan Press, 2013.

Accepted Name:
Tricholoma ustale (Fr.) P. Kumm.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Tricholoma ustale in the Consortium of Pacific Northwest Herbaria database.

CalPhotos: Tricholoma ustale photos.

0 photographs:
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