| Name | Psacalium nelsonii Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Psacalium |
| GUID | urn:lsid:ipni.org:names:210987-2 |
| Citation | 1924 Bull. Torrey Bot. Club 51: 374 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Psacalium nelsonii Rydberg |
| Identification made in | 1963 (1), 2008 (1) |
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