| Haloragaceae | |
Myriophyllum spicatum var. capillaceum
| Lange | Meddel. Grønland 3: 237 | 1880 |
| Haloragaceae | |
Myriophyllum spicatum subsp. exalbescens
| (Fernald) Hultén | Fl. Alaska Yukon 7: 1159 | 1947 |
| Haloragaceae | ** |
Myriophyllum spicatum subsp. exalbescens
| (Fernald) A.E. Murray | Kalmia 12: 22 | 1982 |
| Haloragaceae | |
Myriophyllum spicatum var. exalbescens
| (Fernald) Jeps. | Man. Fl. Pl. Calif. 691 | 1925 |
| Haloragaceae | |
Myriophyllum spicatum var. muricatum
| Maxim. | Bull. Acad. Imp. Sci. Saint-Petersbourg, sér. 3 19(2): 182 | 1873 |
| Haloragaceae | |
Myriophyllum spicatum var. spicatum
| | | |
| Haloragaceae | |
Myriophyllum spicatum subsp. squamosum
| Laest. ex Hartm. | Handb. Skand. Fl. (ed. 7) 149–150 | 1858 |