. "Nyctaginaceae" . . . . "Magnoliopsida" . . . . "Abronia argillosa" . "Clay Sand Verbena" . "Abronia argillosa S.L. Welsh and Goodrich" . "Plantae" . "S.L. Welsh and Goodrich" . . . . "Abronia" . "Caryophyllales" . . . "Magnoliophyta" .