genus Xylaria

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Noun1.genus Xylaria - type genus of Xylariaceae; fungi with perithecia in the upper part of erect black woody stromata
fungus genus - includes lichen genera
family Xylariaceae, Xylariaceae - family of fungi characterized by dark brown to black spores
black root rot fungus, Xylaria mali - fungus causing black root rot in apples
dead-man's-fingers, dead-men's-fingers, Xylaria polymorpha - the fruiting bodies of the fungi of the genus Xylaria