. . . . . . . "(Lehm.) A. Nelson and J.F. Macbr." . . . . . "Myrtales" . . "Clarkia amoena" . "Magnoliophyta" . . "Magnoliopsida" . "Onagraceae" . "Plantae" . "Farewell To Spring" . "Clarkia amoena (Lehm.) A. Nelson and J.F. Macbr." . . "Clarkia" .