| Name | Opulaster capitatus (Pursh) Kuntze |
| Authorship | (Pursh) Kuntze |
| Rank | Species |
| Placed in | Opulaster Medikus ex Rydberg |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Opulaster capitatus (Pursh) Kuntze |
| Identification made in | [no date] (1) |