| Name | Orthopappus angustifolius Gleason |
| Authorship | Gleason |
| Rank | Species |
| Placed in | Orthopappus |
| Citation | 1906 Bull. New York Bot. Gard. 4: 238 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Orthopappus angustifolius Gleason |
| Identification made in | [no date] (1) |