Summary:
Subgenus Myxacium. Section Myxacium. Features include 1) a glutinous cap that is vivid orange to golden yellow with a darker center, sometimes with red-brown spots, 2) pale grayish or ochraceous gills, 3) a white or pale violet stem with a surface that cracks into irregular girdles when old, 4) growth with birch, and 5) microscopic characters. The description is derived from Knudsen(1).

Cap:
3.5-10cm across, hemispheric to convex, "later low convex, typically with a broad umbo"; "slightly hygrophanous in outer part", "vividly orange to golden yellow with darker centre", "the bright part of the cap sometimes with darker, red-brown spots"; strongly glutinous

Gills:
pale grayish or ochraceous

Stem:
6-12.5(18)cm x 0.7-2.5cm, "white or pale violet"; when old "cracking in irregular girdles"

Microscopic spores:
spores 11-13(13.5) x 6.5-8.5 microns, amygdaloid [almond-shaped], less often elliptic-citriform [elliptic-lemon-shaped], coarsely verrucose

Notes:
Harrower(1) assigned a BC collection sequence 55 to Cortinarius septentrionalis. Morphological correlation is desirable. It is also found in Europe (Knudsen(1)).

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