Cortinarius largus Fr. 1838

In Great Britain and/or Ireland:
Foodplant / mycorrhiza / ectomycorrhiza
fruitbody of Cortinarius largus is ectomycorrhizal with live root of Betula
Remarks: Other: uncertain

Foodplant / mycorrhiza / ectomycorrhiza
fruitbody of Cortinarius largus is ectomycorrhizal with live root of Fagus
Remarks: Other: uncertain

Foodplant / mycorrhiza / ectomycorrhiza
fruitbody of Cortinarius largus is ectomycorrhizal with live root of Quercus
Remarks: Other: uncertain

Cortinarius largus Fries, Epicr. Myc. 259. 1838
Pileus fleshy, firm, convex-expanded, very obtuse, 5-10(-15) cm. broad; surface viscid or subviscid, at first varying from deep-lavender (R) to ecru-drab (R), soon changed to old gold (R), wood-brown (R) or tawny-olive (R), sometimes with margin violaceous-tinged at maturity, glabrous, appressed-silky and sometimes rivulose-wrinkled on the margin, this at first deep-lavender (R) soon fading to whitish; context rather compact, thick on the disk, abruptly thin on the margin, the odor and taste slight; lamellae adnate, then emarginate or adnexed-sinuate, moderately broad, narrowed at ends, close to crowded, at very first deeplavender (R), usually as seen merely violet-gray (R), finally cinnamon (R), the edge, entire; stipe rather stout, 5-10 cm. long, 7-12 mm. thick at the apex, tapering at first from a bulbous base, at length equal above the clavate or ovoid base, terete, stuffed by firm pith, then hollow (in American form), appressed-fibrillose from the cortina, glabrescent, the apex pruinose, sometimes minutely lacerate-subscaly, at very first deep-lavender (R), but quickly fading to whitish, concolorous within, the base of the stem whitish, and straw-yellow when bruised, the bulb 10-20 mm. thick; spores ellipsoid, somewhat almond-shaped, tuberculatedotted, 9-ll(-12) X 5-6 m, dark-rusty-brown.
Type locality : Sweden .
Habitat: In mixed woods.
Distribution: In the Appalachian Mountains, Virginia to Georgia.