Boisduvalia

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Boisduvalia Spach.
Engl.: spike-primroses, boisduvalia.

Boisduvalia densiflora (Lindl.) Bartl.
Engl.: denseflower willowherb, dense spike-primrose, dense boisduvalia.
Bot. syn.: Boisduvalia bipartita Greene, Boisduvalia douglasii Spach, Boisduvalia imbricata (Greene) A.Heller, Boisduvalia salicina Rydb., Boisduvalia sparsiflora A.Heller, Boisduvalia sparsifolia A.Nelson & P.B.Kenn., Epilobium densiflorum (Lindl.) Hoch & P.H.Raven, Oenothera densiflora Lindl.