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1 species
Fr. 1849. A genus of about 30 wood-inhabiting ascomycetes that form black, crust-like stromata. K. deusta is an important butt-rot pathogen of hardwoods.
Stromata: crust-like to cushion-shaped, black and brittle at maturity, with embedded perithecia; often a grey asexual stage first. Spores: dark brown, fusiform, with a germ slit, resembling those of Xylaria.
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