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Page number:178 
Remarks (public):Previously this species was often included in Byssocorticium with resupinate corticoid species. However. B. terrestris is separated from these species by several characters. Firstly, its spores are acyanophilous while the other species have cyanophilous spores. Furthermore, B. terrestris is mycorrhizal while the other species are wood-inhabiting. The species does not have basidial clamps as do the other species. However, it is probably related to Byssocorticium, but for the time being we prefer to keep it separate in a poroid genus of its own. 
Description type:Non-original description 
Description:BYSSOPORIA Lars. & Zak - Can. J. Bot. 56:1123, 1978.
Basidiocarps resupinate, poroid. soft, with rhizomorphs, whitish to yellow, more rarely orange to bluish green; hyphal system monomitic, hyphae with clamps and simple septa; cystidia none; sporesellipsoid to subglobose with slightly thickened wall. acyanophilous and negative in Melzer's reagent. Mycorrhizal with conifers and growing on the ground, on organic debris, or on very rotten wood. Monotypic and circumglobal.
Type species: Polyporus terrestris DC.:Fr.
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