| Name | Hesperidanthus argillaceus (S. L. Welsh & N. D. Atwood) Al-Shehbaz |
| Authorship | (S. L. Welsh & N. D. Atwood) Al-Shehbaz |
| Rank | Species |
| Placed in | Hesperidanthus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hesperidanthus argillaceus (S. L. Welsh & N. D. Atwood) Al-Shehbaz |
| Identification made in | 2015 (2) |