| Ustilago maydis | A species that resembles ergot of rye in its metabolic action; its black spores on the ears of corn are dispersed by wind and can cause contamination of laboratory cultures. Synonym: corn ergot, corn smut, Ustilago zeae. (05 Mar 2000) |
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| stigmata maydis | <botany> A genus of large grasses of which the Indian corn (Zea Mays) is the only species known. Its origin is not yet ascertained. See Maize. Origin: L, a kind of grain, fr. Gr,; cf. Skr. Yava barley. Source: Websters Dictionary (01 Mar 1998) |
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| ustilago | A genus of basidiomycetous smut fungi comprising the loose smuts. (12 Dec 1998) |
| Ustilago zeae | A species that resembles ergot of rye in its metabolic action; its black spores on the ears of corn are dispersed by wind and can cause contamination of laboratory cultures. Synonym: corn ergot, corn smut, Ustilago zeae. (05 Mar 2000) |