Xanthomonas translucens pv. cerealis Xanthomonas translucens pv. cerealis is the causal agent of bacterial leaf streak on true grasses. Xanthomonas translucens pv. cerealis has been found on crops, like wheat (Triticum spp.), barley (Hordeum spp.), and rye (Secale cereale), and it also naturally occurs on smooth bromegrass and quack grass. Laura Huerta PMID:25676771 Xanthomonas