$modus 0:
$modus 1:
Ceanothus verrucosus
Ceanothus verrucosus Nutt. [Accepted]
Rhamnaceae _rhamnaceads_not_assigned_to_a_tribe
2 214965 Ceanothus verrucosus Nutt.
W. Curtis, Bot. Mag., vol. 78 [ser. 3, vol. 8]: t. 4660 (1852) [W.H. Fitch]