The cap and stalk
5 - 15 cm
With veil (Cortina)
Name: Goliath Webcap
Scientific name: Cortinarius praestans Cordier 1870
Synonyms: Species Fungorum 05.11.2016:
Agaricus praestans Cordier 1870
Cortinarius berkeleyi Cooke 1883
Cortinarius infractus Berk. 1860
Cortinarius torvus var. berkeleyi (Cooke) Boud. 1907
Phlegmacium praestans (Cordier) M.M. Moser 1953
Phlegmacium praestans (Cordier) M.M. Moser 1960
Habit of Growth: Mycorrhiza
Protection: Mushroom is protected
Trees: Corylus (Hazel) , Fagus (Beech) , Quercus (Oak) , Tilia (Lime tree)
Cap: 5-15 cm across, spherical to hemispherical when young, soon convex to plane, smooth surface, satiny, violet-brown and covered by the bluish-whitish veil when young, later becoming purple-brown with floccose velar remnants, margin incurved for a long time and costate to wrinkled, hung with velar remnants when young.
Hymenophore: lamellae are pale violet when young, later light brown to rust brown, narrow, notched and broadly attached, smooth edges.
Spore print: cinnamon to brown
Spore: fusiform to amygdaliform, 14-17(18,6) x 7-9,6 μm
Stem: 10-15 x 2-4 cm, cylindrical to clavate or bulbous, solid, firm, surface densely covered by the bluish-white, wooly-fibrillose veil when young, later veil splitts.
Flesh: whitish, bluish in the stipe, thick, odor weak, mild pleasant taste.
Habitat: on chalk-rich soil, in hardwood forests, grows from summer to fall.