| Name | Opulaster intermedius Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Opulaster Medikus ex Rydberg |
| GUID | urn:lsid:ipni.org:names:726867-1 |
| Citation | 1901 Man. Fl. N. States (Britton) 492 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Opulaster intermedius Rydberg |
| Identification made in | 2006 (1) |