Clarkia purpurea (Curtis) A.Nelson & J.F.Macbr. [ Godetia decumbens (Douglas) Spach]
      
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16 250921 Clarkia purpurea (Curtis) A.Nelson & J.F.Macbr. [181 472706 Godetia decumbens Douglas] Onagraceae
E. Spach, Hist. Nat. Vég. [coloured version]: t. 86, fig. 2 (1834-1838) [M.elle F. Legendre]