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Camissoniopsis bistorta (Nutt. ex Torr. & A.Gray) W.L.Wagner & Hoch var. veitchiana
[Oenothera bistorta Hook. var. veitchiana]
W. Curtis, Bot. Mag., vol. 84 [ser. 3, vol. 14]: t. 5078 (1858) [W.H. Fitch]
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