| Name | Solidago gigantea var. serotina (Kuntze) Cronquist |
| Authorship | (Kuntze) Cronquist |
| Rank | Variety |
| Placed in | Solidago gigantea Aiton |
| Citation | 1955 Vasc. Pl. Pacif. N. W. 5: 306 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Solidago gigantea var. serotina (Kuntze) Cronquist |
| Identification made in | 1982 (1) |