| Name | Clavigera riddellii Torrey & A. Gray |
| Authorship | Torrey & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Clavigera |
| GUID | urn:lsid:ipni.org:names:59789-2 |
| Citation | 1841 Fl. N. Amer. [Torr. & A. Gray] 2: 77 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Clavigera riddellii Torrey & A. Gray |
| Identification made in | [no date] (3), 1982 (1), 2014 (1) |
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