| Name | Hymenopappus tomentosus P. A. Rydberg |
| Authorship | P. A. Rydberg |
| Rank | Species |
| Placed in | Hymenopappus L'Heritier |
| GUID | urn:lsid:ipni.org:names:125679-2 |
| Citation | 1900 Bull. Torrey Bot. Club 27: 633 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hymenopappus tomentosus P. A. Rydberg |
| Identification made in | [no date] (1) |