Echinodontium tinctorium
Bull. Torrey bot. Club 27(2): 49. 1900.
Common Name: none
For descriptions see 'California Mushrooms' and 'Mushrooms of Cascadia'.
Solitary to gregarius on conifers; Sierra Nevada and Cascade ranges.
Inedible, too tough.
Echinodontium tinctorium is distinctive by its hoof-shaped, woody fruitbodies with tough spines and cinnamon to deep red context tissue. It is closely related to the polyporoid genera Heterobasidion and Bondarzewia in order Russulales.
Arora, D. (1986). Mushrooms Demystified. Ten Speed Press: Berkeley, CA. 959 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Ellis, J. & Everhart, B. (1895). New fungi, mostly Uredineae and Ustilagineae from various localities, and a new Fomes from Alaska. Bulletin of the Torrey Botanical Club 22: 362-364. (Protologue)
Ellis, J. & Everhart, B. (1900). New species of fungi from various localities with notes on some published species. Bulletin of the Torrey Botanical Club 27(2): 49-64. (PDF)
Siegel, N. & Schwarz, C. (2024). Mushrooms of Cascadia: A Comprehensive Guide to the Fungi of the Pacific Northwest. Backcountry Press: Keeland, CA. 576 p.