| Name | Opulaster cordatus Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Opulaster Medikus ex Rydberg |
| GUID | urn:lsid:ipni.org:names:174757-2 |
| Citation | 1908 N. Amer. Fl. 22: 242 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Opulaster cordatus Rydberg |
| Identification made in | 2006 (1) |