Appearance
The species has a sticky brown to orange cap, 4 to 10 cm in diameter, that is darker towards the center and with a rolled-in margin. The gills are closely spaced, have an adnexed attachment to the stipe, and are pale yellowish at first, becoming rusty brown as the spores mature. Like all species in the genus ''Cortinarius'', young specimens have a cortina, a cobweb-like annulus that protects the developing gills. The slimy stipe, 5 to 15 cm long by 1.5 to 2.5 cm thick, is whitish until the spores mature and begin falling. The spore print is rust- to ochre-colored. Both the odor and the taste of this mushroom are nondescript.The spores have a rough surface, and an elliptical shape, with dimensions of 12–14 x 5.5–6.5 µm. The basidia are 4-spored, and cystidia are not present on the edge of the gills.
The species is commonly found under birch and coniferous trees. It prefers acidic, sandy soils.
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