| Sphagnaceae | ** |
Ambuchanania
| Seppelt & H.A. Crum | Contr. Univ. Michigan Herb. 22: 29 | 1999 |
| Sphagnaceae | ! |
Ambuchanania
| Seppelt & H.A. Crum ex A.J. Shaw | Amer. J. Bot. 97(9): 1523 | 2010 |
| Sphagnaceae | ! |
Flatbergium
| A.J. Shaw | Amer. J. Bot. 97(9): 1523 | 2010 |
| Sphagnaceae | ** |
Hemitheca
| Wijk, Margad. & Florsch. | Regnum Veg. 26: 449 [Ind. Musc. 2: 449] | 1880 |
| Sphagnaceae | |
Isocladus
| Lindb. | Öfvers. Förh. Kongl. Svenska Vetensk.-Akad. 19: 133 | 1863 |
| Sphagnaceae | |
Sphagnophyllites
| D.D. Pant & N. Basu | Palaeobotanist 25: 346 | 1976 |
| Sphagnaceae | |
Sphagnum
| L. | Sp. Pl. 1106 | 1753 |