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Page number:706 
Remarks (public):Uncobasidium is characterized above all by the typical basidia with a basal protuberance. Phylogenetic relathionships of Uncobasidium are still unclear (Larsson 2007b). 
Description type:Non-original description 
Description:Uncobasidium Hjortstam & Ryvarden, Mycotaxon 7: 407, 1978.
Type species: Uncobasidium luteolum Hjortstam & Ryvarden, Mycotaxon 7(2): 408, 1978.
Basidiome resupinate, effused, membranaceous to byssoid, hymenophore smooth. Hyphal system monomitic, hyphae with clamps, thin- to thick-walled, straight in the subiculum and tortuose in the subhymenium. Cystidia absent. Basidia suburniform, pleurobasidiate, constricted, with a lateral hook-like protuberance, with 4-sterigmata, and a basal clamp. Basidiospores ellipsoid to ovoid, smooth, thin-walled, IKI-, acyanophilous.

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