All Species in Ceanothus
- Barranca Brush (Ceanothus verrucosus)
- Bigpod Ceanothus (Ceanothus megacarpus)
- Blueblossom (Ceanothus thyrsiflorus)
- Buckbrush (Ceanothus cuneatus)
- Calistoga Ceanothus (Ceanothus divergens)
- Carmel Ceanothus (Ceanothus griseus)
- Cascade Lake Ceanothus (Ceanothus × serrulatus)
- Ceanothus (Ceanothus × bakeri)
- Ceanothus (Ceanothus × lobbianus)
- Ceanothus (Ceanothus × lorenzenii)
- Ceanothus (Ceanothus × rugosus)
- Ceanothus (Ceanothus × vanrensselaeri)
- Ceanothus (Ceanothus × veitchianus)
- Ceanothus (Ceanothus ×arcuatus)
- Ceanothus (Ceanothus otayensis)
- Chaparral Whitethorn (Ceanothus leucodermis)
- Coast Whitethorn (Ceanothus incanus)
- Coastal Plain Buckbrush (Ceanothus serpyllifolius)
- Coville Ceanothus (Ceanothus pinetorum)
- Coyote Ceanothus (Ceanothus ferrisiae)
- Deerbrush (Ceanothus integerrimus)
- Desert Ceanothus (Ceanothus pauciflorus)
- Dwarf Ceanothus (Ceanothus pumilus)
- Feltleaf Ceanothus (Ceanothus arboreus)
- Fendler's Ceanothus (Ceanothus fendleri)
- Flexible Ceanothus (Ceanothus × flexilis)
- Fresno Mat (Ceanothus fresnensis)
- Hairy Ceanothus (Ceanothus oliganthus)
- Hearst Ranch Buckbrush (Ceanothus hearstiorum)
- Hoaryleaf Ceanothus (Ceanothus crassifolius)
- Hollyleaf Ceanothus (Ceanothus purpureus)
- Jepson Ceanothus (Ceanothus jepsonii)
- Jimbrush (Ceanothus oliganthus var. sorediatus)
- Lemmon's Ceanothus (Ceanothus lemmonii)
- Littleleaf Buckbrush (Ceanothus microphyllus)
- Littleleaf Ceanothus (Ceanothus parvifolius)
- Maritime Ceanothus (Ceanothus maritimus)
- Martin's Ceanothus (Ceanothus martinii)
- Mason's Ceanothus (Ceanothus masonii)
- Mendocino Ceanothus (Ceanothus × mendocinensis)
- New Jersey Tea (Ceanothus americanus)
- Palmer Ceanothus (Ceanothus palmeri)
- Parry Ceanothus (Ceanothus parryi)
- Pine Hill Buckbrush (Ceanothus roderickii)
- Pinemat (Ceanothus diversifolius)
- Point Reyes Ceanothus (Ceanothus gloriosus)
- Prostrate Ceanothus (Ceanothus prostratus)
- Redheart (Ceanothus spinosus)
- Redstem Ceanothus (Ceanothus sanguineus)
- Rincon Ridge Ceanothus (Ceanothus confusus)
- San Diego Buckbrush (Ceanothus cyaneus)
- Sandscrub Ceanothus (Ceanothus dentatus)
- Santa Barbara Ceanothus (Ceanothus impressus)
- Snowbrush Ceanothus (Ceanothus velutinus)
- Sonoma Ceanothus (Ceanothus sonomensis)
- Trailing Buckbrush (Ceanothus × connivens)
- Vail Lake Ceanothus (Ceanothus ophiochilus)
- Wartleaf Ceanothus (Ceanothus papillosus)
- Wavyleaf Ceanothus (Ceanothus foliosus)
- Whitethorn Ceanothus (Ceanothus cordulatus)
- Woolyleaf Ceanothus (Ceanothus tomentosus)