| Name | Malacothamnus fremontii (Torrey ex A. Gray) Greene |
| Authorship | (Torrey ex A. Gray) Greene |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Malacothamnus |
| Citation | 1906 Leafl. Bot. Observ. Crit. 1(4): 208 |
| Holdings | 40 Specimens held in the Harvard University Herbaria identified as Malacothamnus fremontii (Torrey ex A. Gray) Greene |
| Identification made in | [no date] (35), 1996 (1), 2020 (1), 2022 (3) |