Ceanothus caeruleus Lag. [ Ceanothus americanus Sessé & Moc.]
no HD illustration available (m1)
Ceanothus caeruleus Lag. [Rhamnaceae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0195] (1787-1803)