Author: Ward, H.M., 1899.:
Title: Onygena equina, Willd., a horn-destrouing fungus.
Description: Philos. Trans. Roy. Soc. London, Ser. B, 191: pp. 269-291, 41 drawings on 4 lithogr. pls., 1 fig., 1 tab. 4to. Plain new wrs.

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