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CCDB → Angiosperms → Rhamnaceae → Ceanothus
| Taxon name | Status | Median (n) |
| Ceanothus americanus L. | Accepted | 12 |
| Ceanothus arboreus Greene | Accepted | 12 |
| Ceanothus herbaceus Raf. | Accepted | 12 |
| Ceanothus integerrimus Hook. & Arn. | Accepted | 12 |
| Ceanothus thyrsiflorus Eschw. | Accepted | 12 |
| Ceanothus velutinus var. velutinus | Synonym of Ceanothus velutinus Douglas ex Hook. | 12 |