TUBEROSU



Coprinus tuberosus Quél. (NL: Grijze korrelinktzwam, 026.76.0)




Kees Uljé Coprinus site| Indices | Coprinus HOME |Coprinus tuberosus Quél. (NL: Grijze korrelinktzwam, 026.76.0)

Photography copyrighted © by Hans Bender jbe8995374@aol.com
Coprinus tuberosus Quél., Bull. Soc. bot. Fr. 25: 289, pl. 3, fig. 2, '1878' [1879]. (026.70.0).
Coprinus slerotiger Watl., Notes R. bot. Gdn Edinb. 32: 130. 1972.

Pileus up to 15 x 8 mm when still closed, up to 25 mm when expanded, entirely covered with powdery, mouse grey (10 YR 6-8/1) veil. Lamellae, L = 25-40, l = 0-3, free, white to dark grey or black. Stipe up to 60(-80) x 1-2 mm, whitish, somewhat vitrous; base usually connected at sclerotium. Smell indistinct, somewhat after raw potatoes.
Spores 8.0-11.2 x 5.0-6.4 µm, Q = 1.45-2.00, av. Q = 1.65, av. L = 9.1-9.9 µm, av. B = 5.6-5.9 µm, ellipsoid, usually somewhat cylindric, red-brown with rounded base and apex, and narrowly, smooth episporium, up to 1 µm wide; germ pore central. Basidia 10-28 x 6-9 µm, 4-spored, surrounded by 3-5(-6) pseudoparaphyses. Pleurocystidia 30-100 x 22-50 µm, ellipsoid, oblong , subcylindric or subutriform. Cheilocystidia 20-70 x 18-40 µm, (sub)globose, ellipsoid, oblong , subcylindric or subutriform. Elements of veil up to 100(-125) µm in diameter, globose and warty, connected by thin, diverticulate hyphae.
Habitat on mixed dung or rotting vegetable refuse, growing usually at sclerotia. Rather common.
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Edited for the Web with help from Marek Snowarski Fungi of Poland site


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