| Name | Rhododendron calendulaceum (Michaux) Torrey |
| Authorship | (Michaux) Torrey |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1824 Fl. N. Middle United States 1(2): 425 |
| Holdings | 131 Specimens held in the Harvard University Herbaria identified as Rhododendron calendulaceum (Michaux) Torrey |
| Identification made in | [no date] (131) |