Buckbrush: Ceanothus cuneatus var. cuneatus -
Deerbrush, Deer Brush: Ceanothus integerrimus (Synonyms: Ceanothus andersonii, Ceanothus californicus, Ceanothus integerrimus var. californicus, Ceanothus integerrimus var. macrothyrsus) - Erect shrub. Leaves not glutinous above. Leaf margins entire. Flowers white, lilac or powder blue.
Prostrate Ceanothus, Mahala Mat, Squawcarpet: Ceanothus prostratus (Synonyms: Ceanothus divergens ssp. occidentalis, Ceanothus prostratus var. laxus, Ceanothus prostratus ssp. prostratus) - Prostrate or creeping shrub. Leaves sparingly toothed, the teeth with a spine at the tip, or only with 3 spine-tipped teeth at the tip. Flowers bright blue or white.
Buck Brush, Redstem Ceanothus, Oregon Teatree: Ceanothus sanguineus - Erect shrub. Leaves not glutinous above. Leaf margins finely toothed. Young branches reddish. Flowers white.
Snow Brush, Sticky Laurel, Greasewood, Mountain Balm : Ceanothus velutinus var. velutinus (Synonym: Ceanothus velutinus ssp. velutinus) - Erect shrub. Leaves glutinous above, appearing shiny and varnished. Leaf margins finely toothed. Flowers white.