Rumex britannica Linnaeus. Great Water Dock. Hab: Marshes. Dist: NL west to NU, south to s. NJ, PA, KY, IL, IA, NE.
Origin/Endemic status: Native
Syn: = FNA5, Il, K3, K4, NE, Pa; > Rumex orbiculatus – C, F, G, Mi, W; > Rumex orbiculatus var. orbiculatus – K1
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