flag smut fungus

Definitions of flag smut fungus
  1. noun
    a smut fungus causing a smut in cereals and other grasses that chiefly affects leaves and stems and is characterized chains of sori within the plant tissue that later rupture releasing black masses of spores
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    types:
    Urocystis tritici, wheat flag smut
    fungus affecting leaves and stems of wheat
    type of:
    smut, smut fungus
    any fungus of the order Ustilaginales
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