Ceanothus tomentosus was created in 1889.
Nicrophorus tomentosus was created in 1801.
Ceanothus masonii was created in 1942.
Ceanothus jepsonii was created in 1894.
Ceanothus griseus was created in 1897.
Ceanothus americanus was created in 1753.
Ceanothus cordulatus was created in 1863.
Ceanothus ophiochilus was created in 1991.
Ceanothus pinetorum was created in 1893.
Ceanothus fresnensis was created in 1912.
Ceanothus oliganthus was created in 1838.
Ceanothus roderickii was created in 1968.
Ceanothus megacarpus was created in 1846.