| Name | Howellanthus dalesiana (J. T. Howell) G. Walden & R. Patterson |
| Authorship | (J. T. Howell) G. Walden & R. Patterson |
| Rank | Species |
| Placed in | Howellanthus (Constance) G. Walden & R. Patterson |
| Citation | 2010 MadroƱo 57(4): 270 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Howellanthus dalesiana (J. T. Howell) G. Walden & R. Patterson |
| Identification made in | 2018 (1) |