| Name | Alsinopsis macrantha Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Alsinopsis |
| GUID | urn:lsid:ipni.org:names:9843-2 |
| Citation | 1904 Bull. Torrey Bot. Club 31: 407 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alsinopsis macrantha Rydberg |
| Identification made in | 2010 (1) |