Cortinarius percomis
Epicr. syst. mycol.: 260. 1838.
Common Name: none
Synonym: Phlegmacium percome (Fr.) Niskanen & Liimat.
For descriptions see Kauffman, Arora, & 'California Mushrooms'.
Solitary, scattered, gregarious, or cespitose in soil under conifers (Douglas fir, spruce, & pine).
Unknown.
This conifer associate is easy to recognize by its viscid yellow cap, pallid to yellowish stipe, yellow gills when young, and strongly fragrant odor.
If you choose to accept the recent division of Cortinarius into 10 genera, the correct name for this taxon is Phlegmacium percome (see Liimatainen et al.)
Arora, D. (1986). Mushrooms Demystified. Ten Speed Press: Berkeley, CA. 959 p.
Brandrud, T.E., Lindström, H., Marklund, H., Melot, J. & Muskos, S. (1994). Cortinarius Flora Photographica, Vol. 3. Cortinarius HB: Matfors, Sweden. 60 il + 35 p.
Breitenbach, J. & Kränzlin, F. (2000). Fungi of Switzerland. Volume 5: Agarics (3rd Part). Cortinariaceae. Verlag Mykologia: Luzern, Switzerland. 338 p.
Desjardin, D.E., Wood, M.G. & Stevens, F.A. (2015). California Mushrooms: The Comprehensive Identification Guide. Timber Press: Portland, OR. 560 p.
Kauffman, C.H. (1924). Cortinarius. N. Am. Flora 10(5): 282-348. (PDF)
Knudsen, H. & Vesterholt, J. ed. (2012). Funga Nordica: Agaricoid, boletoid, clavarioid, cyphelloid and gastroid genera. Vol. 2. 572 p.
Liimatainen, K., Kim, J.T., Pokorny, L., Kirk, P.M., Dentinger, B. & Niskanen, T. (2022). Taming the beast: a revised classification of Cortinariaceae based on genomic data. Fungal Diversity.
— KOH stains the stipe base context reddish
