al·ter·nar·i·a (ôl'tər-nâr'ē-ə, āl'-) n. Any of various fungi in the genus Alternaria, many of which cause plant diseases, chiefly blights and leaf spots.
[New Latin Alternāria, genus name, from Latin alternus, alternate; see alternate.]
Main Entry: Al·ter·nar·ia Pronunciation: "ol-t&r-'nar-E-& Function: noun : a genus of imperfect fungi (family Dematiaceae)producing chains of dark conidia tapering at the upper end and arranged like bricks