[Oenothera contorta Douglas ex Lehm., moreOenothera contorta var. epilobioides (Greene) Munz, Oenothera contorta var. flexuosa (A. Nelson) Munz, Oenothera contorta var. hilgardii (Greene) Munz, Oenothera contorta var. pubens (S. Watson) Coville, Oenothera contorta var. strigulosa (Fisch. & C.A. Mey.) Munz, Oenothera cruciata (S. Watson) Munz, nom. illeg., non Oenothera cruciata Nutt. ex G. Don, Oenothera cruciata var. sabulonensis Fernald]
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