Ceanothus arboreus Greene [ Ceanothus velutinus var. arboreus (Greene) Sarg.]
no HD illustration available (m1)
Ceanothus arboreus Greene [ Ceanothus velutinus Douglas ex Hook.] [Rhamnaceae]
C.S. Sargent, Silva, vol. 2 : t. 65 (1898) [C.E. Faxon]