Species:
Ceanothus pauciflorus (Mojave ceanothus, mountain buckbrush)
Ceanothus prostratus var. prostratus (mahala mat, prostrate ceanothus)
Ceanothus sanguineus (redstem ceanothus)
Ceanothus velutinus var. velutinus (snowbrush ceanothus, sticky-laurel, mountain balm, tobacco-bush)
Frangula alnus cv. columnaris (columnar glossy buckthorn)
Frangula purshiana ssp. purshiana (cascara, chittum bark)
Rhamnus alnifolia (alderleaf buckthorn)