"Ceanothus verrucosus Nutt." . . . "Magnoliophyta" . . "Rosales" . "Nutt." . . "Magnoliopsida" . . . . "Ceanothus" . "Rhamnaceae" . . . . . . "Barranca Brush" . . . "Plantae" . . . "Ceanothus verrucosus" .