An ongoing study
An olivaceous-yellow to brown Leprocybe in section Veneti. It is less common than Cortinarius clandestinus, and occurs exclusively in fall. It has more olive-brown tones than C. veneto-occidentalist sensu strictu, which is known only from boreal forests.
Consider Cortinarius clandestinus when you find a Leprocybe with a black-scaley cap and cream to greenish-yellow tones. It one of few Leprocybe that fruit in Spring, making Spring ID easier. However, C.clandestinus may also fruit in fall so it's not that easy!
Cortinarius olsoniae is in Subgenus Telamonia Section Bicolores. This species was named for Joann Olson, a Cortinarius enthusiast from Humboldt County, California, who first collected this species. It was given the provisional name of Cortinarius 'winter blues' in Mushrooms of the Redwood Coast (2016)
Calonarius aglaeus is in subgenus Fulvi, section Splendentes (Liimatainen et al. 2022). The yellow-brown cap colors and bright gills and stipe are key featu
Calonarius flavipavonius S.D. Adams, Bojantchev, N. Siegel, Liimat. & Niskanen (2023) Reference: Index Fungorum 535 Description Pileus 30–150 (–200) mm broad, convex to broadly convex, margin inrolled when young, remaining persistently down-curved through development, plane to uplifted and often undulating in age; surface viscid, glabrous; colors variable, rosy brown to rusty red-brown over disc to... Continue Reading →
Cortinarius anomalodelicatus is a relatively small and slender anomali that is primarily known from the Western USA, Rockies and Alaska.
Cortinarius subfoetens / Phlegmacium subfoetens is a relatively widespread species in Phlegmacium section Glaucopodes. It has very pale lilac young gills and a variable yellow-brown to greenish-brown cap with in-rolled margin, and bulbous base.
In young state, Cortinarius clintonianus should be clearly recognizable as an Anomali - it has typical pallid brownish colors on the dry cap and lilac young gills and upper stipe. However, photographed collections show that the lilac phase is not always visible, or may be transient. Gills of young specimens may appear more pallid, greyish or even clay colored.
Cortinarius comptulus M.M. Moser, Nova Hedwigia 14: 514 (1968) [MB#329015] A Cortinarius in Telamonia, section Rubricosi. Described from Europe by Moser, it is known from Alaska and Oregon, and likely occurs elsewhere in the Pacific Northwest. Copyright Noah Siegel: NS1830
A subtantial, buff-capped Cortinarius with lilac gills, pale lilac-tinted flesh and abundant creamy cortina. In 2022, Cortinarius rufolatum was transferred to Phlegmacium rufolatum, where it likely falls in the subg. Phlegmaciodes.
North American Cortinarius Collections 