| Name | Ceanothus oliganthus var. hirsutus (Nuttall) K. Brandegee |
| Authorship | (Nuttall) K. Brandegee |
| Rank | Variety |
| Placed in | Ceanothus oliganthus Nuttall |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Ceanothus oliganthus var. hirsutus (Nuttall) K. Brandegee |
| Identification made in | [no date] (4) |
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