| Name | Ceanothus verrucosus var. rigidus (Nuttall) K. Brandegee |
| Authorship | (Nuttall) K. Brandegee |
| Rank | Variety |
| Placed in | Ceanothus verrucosus Nuttall |
| GUID | urn:lsid:ipni.org:names:50798-2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ceanothus verrucosus var. rigidus (Nuttall) K. Brandegee |
| Identification made in | [no date] (2) |
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