Cortinarius alboambitus
no common name
Cortinariaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

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Map

E-Flora BC Static Map

Distribution of Cortinarius alboambitus
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Species Information

Summary:
Subgenus Telamonia Section Alboambiti. Features include a small, hygrophanous, reddish brown cap with a white edge, a whitish, silky-fibrillose stem that has pale brown flesh, and almond-shaped spores. The description is derived from Niskanen(3).
Cap:
2-4cm across, hemispheric becoming low convex to almost flat with low broad umbo; strongly hygrophanous, reddish brown with center dark reddish brown; dry, matte, edge whitish-fibrillose
Flesh:
in cap dark reddish brown, in stem pale brown
Gills:
adnexed to emarginate, moderately broad, moderately thick, medium spaced; "at first pale brown, later dark brown"; edge whitish
Stem:
5-7cm x 0.3-0.5cm at top, 0.5-0.8cm wide at base, "slightly clavate to clavate"; whitish silky-fibrillose, when old or when handled the fibrillosity lost and the stem colored more like the stem flesh; basal mycelium white at first
Veil:
universal veil white and fairly sparse
Odor:
indistinct
Microscopic spores:
spores 7.5-8.5(9.0) x 5.0-6.0 microns, "amygdaloid to broadly amygdaloid, moderately verrucose, somewhat more strongly ornamented at the apex, moderately to fairly strongly dextrinoid"; basidia 4-spored, 25-32 x 7-8.5 microns, clavate, "with yellow to yellow brown granulose contents" in Melzer''s reagent; gill trama hyphae smooth in Melzer''s reagent; clamp connections present
Spore deposit:
[presumably a shade of brown]
Notes:
It is known from BC and WA, (Niskanen(3)). The type is from WA. Harrower(1) #145 is from BC.
EDIBILITY

Habitat and Range

SIMILAR SPECIES
Cortinarius aavae has smaller, narrower spores measuring 6.5-7.5 x 4.0-4.5 microns and distinctly encrusted gill trama hyphae, (Niskanen(3)). Cortinarius impennoides Bidaud, Moenne-Locc. & Reumaux [found in BC as Cortinarius aptecohaerens] is somewhat larger, has elliptic spores 7.5-9 x 5-5.5(6) microns, and has spot-like encrusted gill trama. (Niskanen(3)).
Habitat
fruiting in coniferous forests; found at least in fall