| Rhamnaceae | |
Ceanothus foliosus var. foliosus
| | | |
| Rhamnaceae | ** |
Ceanothus foliosus subsp. medius
| (McMinn) C.L. Schmidt | Syn. Checkl. Vasc. Fl. U.S. [Kartesz] ed. 2. 1: 510 | 1994 |
| Rhamnaceae | |
Ceanothus foliosus var. medius
| McMinn | Ceanothus 222–223 | 1942 |
| Rhamnaceae | |
Ceanothus foliosus var. viejasensis
| D.O. Burge & Rebman | Syst. Bot. 42(3): 531–534, f. 1, 2 [map] | 2017 |
| Rhamnaceae | ** |
Ceanothus foliosus subsp. vineatus
| (McMinn) C.L. Schmidt | Syn. Checkl. Vasc. Fl. U.S. [Kartesz] ed. 2. 1: 510 | 1994 |
| Rhamnaceae | |
Ceanothus foliosus var. vineatus
| McMinn | Ceanothus 221–223 | 1942 |