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 Add this item to the list  CERIPORIA Donk
Page number:269 
Description type:Non-original description 
Description:CERIPORIA Donk
Med. Bot. Mus. Univ. Utrecht 9:170, 1933.
Fruitbodies annual, resupinate, hymenophore white, tan or cinnamon, dirty greenish to purple, pores medium 2-6 mm, hyphal system monomitic, generative hyphae simple septate, cystidia none, spores cylindrical to allantoid, oblong ellipsoid or subglobose, hyaline, thin-walled, smooth and non-amyloid, mostly on deciduous wood, rarely on conifers.
Type species:, Ceriporia viridans (Berk. & Br.) Donk.
REMARKS. The genus is quite well circumscribed, but there are problems towards some species of Rigidoporus. The more typical species within that genus has monomitic hyphal system partly with very thick-walled generative hyphae which gives the fruitbodies a woody hard consistency, and most of them has a pinkish to reddish colour on the pore surface, at least when fresh. Some species also have cystidia, both of the encrusted type and of a mammilate type. However, included in the genus are species like R. sanguinolentus, which has a very loose consistency and is white in fresh condition, becomes fragile and pink to brownish in dry condition. Its hyphal system is monomitic with thin-walled generative hyphae. Its spores are globose, thus deviating from that of most Ceriporia species where they are allantoid to oblong ellipsoid. It may be that such a species was better placed in Ceriporia than in Rigidoporus. C. xylostromatoides represents some of the same problems and we prefer to place it in Ceriporia because of its colour, the quite brittle consistency and broadly ellipsoid spores. We retain Rigidoporus for the woody hard species, mostly pileate, with mammilate cystidia and very thick-walled generative hyphae. We feel this classification to be more natural.
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