| Cupressaceae | |
Sequoia disticha
| Heer | | |
| Cupressaceae | ** |
Sequoia gigantea
| (Lindl.) Endl. | Syn. Conif. 198 | 1847 |
| Cupressaceae | ! |
Sequoia gigantea
| (Lindl.) Decne. | Bull. Soc. Bot. France 1: 70–71 | 1854 |
| Cupressaceae | |
Sequoia glyptostroboides
| (H.H. Hu & W.C. Cheng) Weide | Feddes Repert. Spec. Nov. Regni Veg. 66: 185 | 1962 |
| Cupressaceae | |
Sequoia rafinesquei
| Carrière | Traité Gén. Conif. (ed. 2) 1: 213 | 1867 |
| Cupressaceae | |
Sequoia religiosa
| C. Presl | Epimel. Bot. 237 | 1851 |
| Cupressaceae | |
Sequoia sempervirens
| (D. Don) Endl. | Syn. Conif. 198 | 1847 |
| Cupressaceae | |
Sequoia washingtoniana
| (Winsl.) Sudw. | U.S.D.A. Div. Forest Bull. 14: 61 | 1897 |
| Cupressaceae | |
Sequoia wellingtonia
| Seem. | Bonplandia (Hannover) 3: 27 | 1855 |