Hygrophorus marzuolus
Atti Imp. Regia Accad. Rovereto 2: 3. 1893.
Common Name: none
Synonym: Agaricus marzuolus Fr.
For description see Hesler & Smith, Siegel & Schwarz, and Largent
Cripps, C.L., Evenson, V.S. & Kuo, M. (2016). The Essential Guide to Rocky Mountain Mushrooms by Habitat. University of Illinois Press: Ubana, IL. 262 p.
Hesler, L.R. & Smith, A.H. (1963). North American Species of Hygrophorus. University of Tennessee Press: Knoxville, TN. 416 p. (PDF)
Siegel, N. & Schwarz, C. (2016). Mushrooms of the Redwood Coast. Ten Speed Press: Berkeley, CA. 601 p.
Largent, D.L. (1985). The Agaricales (Gilled Fungi) of California. 5. Hygrophoraceae. Mad River Press: Eureka, CA. 208 p.