. "Ceanothus" . "Magnoliophyta" . "Ceanothus oliganthus" . . . "Hairy Ceanothus" . . . . . . "Magnoliopsida" . . "Nutt." . "Rosales" . . . . . "Plantae" . "Ceanothus oliganthus Nutt." . "Rhamnaceae" . . .