#flag_smut_fungus  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
  supertype:  smut_fungus__smut  any fungus of the order Ustilaginales
  member of:  genus_Urocystis
  subtype:  wheat_flag_smut__wheatflagsmut__Urocystis_tritici  fungus affecting leaves and stems of wheat

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