bloodwort

The plant bloodroot, Sanguinaria canadensis.

Rumex sanguineus, bloody dock, wood dock, bloody-veined dock.

Any of the Haemodoraceae, a family of flowering plants some of whose roots contain a red dye.

Sanguinary, common yarrow, Achillea millefolium.

Various species in the genus Sanguisorba, burnet.

Capsella bursa-pastoris, shepherd's purse.