| Poaceae | * |
Glyceria fluitans var. acutiflora
| Döll | Fl. Baden 1: 170 | 1855 [1857] |
| Poaceae | |
Glyceria fluitans var. angustata
| Vasey ex Fernald | Proc. Portland Soc. Nat. Hist. 2: 91 | 1895 |
| Poaceae | |
Glyceria fluitans subsp. declinata
| (Bréb.) O. Bolòs, Masalles & Vigo | Collect. Bot. (Barcelona) 17(1): 96 | 1987 [1988] |
| Poaceae | |
Glyceria fluitans var. declinata
| (Bréb.) Ghişa | Fl. Republ. Socialiste Romania 12: 441 | 1972 |
| Poaceae | |
Glyceria fluitans subsp. fluitans
| | | |
| Poaceae | |
Glyceria fluitans var. fluitans
| | | |
| Poaceae | * |
Glyceria fluitans var. leptorhiza
| Hack. | Bull. Herb. Boissier, sér. 2, 4: 525 | 1904 |
| Poaceae | |
Glyceria fluitans var. leptorhiza
| Maxim. | Prim. Fl. Amur. 320–321 | 1859 |
| Poaceae | |
Glyceria fluitans subsp. plicata
| Fr. | Novit. Fl. Suec. Mant. 2: 6 | 1839 |
| Poaceae | |
Glyceria fluitans var. plicata
| (Fr.) Griseb. | Fl. Ross. [Ledebour] 4: 391 | 1852 |
| Poaceae | |
Glyceria fluitans var. stricta
| E. Desv. | Fl. Chil. 6: 390 | 1854 |