Genus
Crassisporium
Crassisporium funariophilum. Photo: (c) Christian Schwarz, some rights reserved (CC BY-NC)
Crassisporium is a burn-inhabiting agaric fungal genus that colonizes forest fire and campfire sites on ground and charred woody debris in Europe, north Africa and western North America. The small brownish fruitbodies have broadly attached lamellae bordered by cheilocystidia and there is an absence of pleurocystidia and chrysocystidia. Spores are thick-walled, brown, smooth, and have a germ pore. The cap surface (pileipellis) is neither gelatinized nor cellular. Clamp connections are present in the hyphae. The genus
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