[Rumex aquaticus ssp. fenestratus (Greene) Hultén, moreRumex aquaticus ssp. occidentalis (S. Watson) Hultén, Rumex fenestratus Greene, Rumex occidentalis S. Watson, Rumex occidentalis var. labradoricus (Rech. f.) Lepage, Rumex occidentalis var. procerus (Greene) J.T. Howell, Rumex subalpinus M.E. Jones]
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