Is Common Burdock Poisonous?

Is Common Burdock Poisonous? Human: Because of its diuretic effects, common burdock has been listed as a poisonous plant (Gross et al. 1980). General requirements: Common burdock can commonly be found growing along roadsides, ditchbanks, in pastures and waste areas. What part of burdock is used? Burdock is a plant. The root is sometimes used