title: Extraordinary levels of production of pyrrolizidine alkaloids in Senecio riddellii.
mesh_terms: D000818:Animals; D002417:Cattle; D006736:Horses; D008103:Liver Cirrhosis / Q000662:veterinary; D009825:Oklahoma; D010947:Plants, Toxic; D011763:Pyrrolizidine Alkaloids / Q000009:adverse effects / Q000096:biosynthesis*; D012674:Senecio / Q000032:analysis*
chemical_list: D011763:Pyrrolizidine Alkaloids