| Rhamnaceae | |
Ceanothus divergens subsp. confusus
| (J.T. Howell) Abrams | Ill. Fl. Pacific States 3: 78 | 1951 |
| Rhamnaceae | |
Ceanothus divergens var. confusus
| (J.T. Howell) Burge | Syst. Bot. 40(4): 956 | 2015 |
| Rhamnaceae | |
Ceanothus divergens subsp. divergens
| | | |
| Rhamnaceae | |
Ceanothus divergens var. divergens
| | | |
| Rhamnaceae | |
Ceanothus divergens subsp. occidentalis
| (McMinn) Abrams | Ill. Fl. Pacific States 3: 78 | 1951 |
| Rhamnaceae | |
Ceanothus divergens var. occidentalis
| (McMinn) Burge | Syst. Bot. 40(4): 956 | 2015 |