The plant bloodroot, Sanguinaria canadensis.
Rumex sanguineus, bloody dock, wood dock, bloody-veined dock.
Sanguinary, common yarrow, Achillea millefolium.
Capsella bursa-pastoris, shepherd's purse.
Any of the Haemodoraceae, a family of flowering plants some of whose roots contain a red dye.
Various species in the genus Sanguisorba, burnet.
hematinic
Of, pertaining to, affecting or containing blood