Ceanothus greggii was created in 1853.
Ceanothus fresnensis was created in 1912.
Ceanothus ophiochilus was created in 1991.
Ceanothus pinetorum was created in 1893.
Ceanothus masonii was created in 1942.
Ceanothus confusus was created in 1939.
Ceanothus maritimus was created in 1953.
Ceanothus incanus was created in 1838.
Ceanothus verrucosus was created in 1838.
Ceanothus lemmonii was created in 1889.
Ceanothus americanus was created in 1753.
Ceanothus dentatus was created in 1838.
Ceanothus ferrisiae was created in 1933.