Birch Webcap

Cortinarius (Phlegmacium) triumphans

Appears in

By Roger Phillips

Published 2006

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Birch Webcap Cortinarius (Phlegmacium) triumphans Fr. syn. C. crocolitus Quél. (illustrated 40% life size) Cap 5–12cm across, convex; yellow-tinged at centre, margin remaining pale yellow. Stem 70–170×10–25mm, base slightly swollen or pointed; whitish above, yellow below and covered in bands of ochraceous, tawny scales, which are remnants of the veil; cortina white. Flesh cream, often with yellowish tints; taste mild, smell none or faint. Gills adnate; cream to pallid at first, often tinged lilaceous, later clay-cinnamon to rusty buff. Spores 10–12.5×5.5–7¼, almond-shaped. Spore print rust. Habitat damp deciduous woods, usually with birch; autumn. Occasional. Suspect avoid.