| Name | Cynomarathrum scabrum J. M. Coulter & Rose |
| Authorship | J. M. Coulter & Rose |
| Rank | Species |
| Placed in | Cynomarathrum |
| Citation | 1900 Contr. U.S. Natl. Herb. 7: 247 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cynomarathrum scabrum J. M. Coulter & Rose |
| Identification made in | 2006 (1) |