Destructive disease of wheat and barley in Montana and in most wheat-growing regions around the world. The primary symptom of the disease is bleaching of some of the florets in the head before maturity. Severe infections can cause premature blight or bleaching of the entire spike or head. there symptoms include tan to brown discoloration at the base of the head, a pink or orange color mole at the base of the florets under moist conditions, and kernels that are shrivelled, white, and chalky in appearance. Visible expression of FHB is observed in heads.