Menyanthes trifoliata L., Sp. Pl. 145 1753. (syn: Menyanthes americana Sweet; Menyanthes latifolia Raf.; Menyanthes palustris Gray; Menyanthes paradoxa Fr.; Menyanthes tridentata Raf.; Menyanthes trifoliata f. brevistyla Aver.; Menyanthes trifoliata var. minor Fernald; Menyanthes trifoliata subsp. verna (Raf.) Gervais & M.Parent; Menyanthes trifolium Neck.; Menyanthes verna Raf.); . Subarctic & Temp. Northern Hemisphere: Afghanistan, Alaska, Alberta, Aleutian Is., Altay, Amur, Arizona, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California, Central […]