| Celastraceae | |
Parnassia palustris var. californica
| A. Gray | Bot. California 1: 202 | 1876 |
| Celastraceae | |
Parnassia palustris var. condensata
| Travis & Wheldon | | |
| Celastraceae | |
Parnassia palustris var. montanensis
| (Fernald & Rydb.) C.L. Hitchc. & Ownbey | Vasc. Pl. Pacif. N.W. 3: 29 | 1961 |
| Celastraceae | |
Parnassia palustris var. multiseta
| Ledeb. | Fl. Ross. [Ledebour] 1(2): 263 | 1842 |
| Celastraceae | |
Parnassia palustris fo. nana
| T.C. Ku | Bull. Bot. Res., Harbin 7(1): 56 | 1987 |
| Celastraceae | |
Parnassia palustris subsp. neogaea
| (Fernald) Hultén | Fl. Alaska Yukon 5: 956 | 1945 |
| Celastraceae | |
Parnassia palustris var. neogaea
| Fernald | Rhodora 39(464): 311–312, pl. 471, f.1–8 | 1937 |
| Celastraceae | |
Parnassia palustris subsp. obtusiflora
| D.A. Webb | | |
| Celastraceae | |
Parnassia palustris subsp. palustris
| | | |
| Celastraceae | |
Parnassia palustris var. palustris
| | | |
| Celastraceae | |
Parnassia palustris var. parviflora
| (DC.) B. Boivin | Naturaliste Canad. 93(5): 644 | 1966 |
| Celastraceae | |
Parnassia palustris fo. rhodanthera
| H. Ohba & Umezu | | |
| Celastraceae | |
Parnassia palustris var. tenuis
| Wahlenb. | | |