| Name | Sphaeralcea subrhomboidea Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphaeralcea |
| GUID | urn:lsid:ipni.org:names:241817-2 |
| Citation | 1913 Bull. Torrey Bot. Club 40: 59-60 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphaeralcea subrhomboidea Rydberg |
| Identification made in | 1933 (1) |