| Poaceae | |
Glyceria aquatica var. acutiflora
| Maxim. | Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 9: 321 | 1859 |
| Poaceae | ** |
Glyceria aquatica var. americana
| Vasey ex Gatt. | Tennessee Fl. 100 | 1887 |
| Poaceae | |
Glyceria aquatica var. arundinacea
| (M. Bieb.) Asch. | Fl. Brandenburg 1: 851 | 1864 |
| Poaceae | |
Glyceria aquatica subsp. debilior
| (Trin. ex F. Schmidt) T. Koyama | Grass. Jap. Neighb. Reg. 508 | 1987 |
| Poaceae | ! |
Glyceria aquatica var. debilior
| Trin. ex F. Schmidt | | 1868 |
| Poaceae | ** |
Glyceria aquatica var. debilior
| Trin. ex Fedtsch. | Izv. Imp. Bot. Sada Petra Velikago 14(Suppl. 2): 82 | 1915 |
| Poaceae | ** |
Glyceria aquatica var. debilior
| Trin. ex Honda | J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 3: 64 | 1930 |
| Poaceae | |
Glyceria aquatica var. latifolia
| Heuff. | Verh. Zool.-Bot. Ges. Wien 8: 231 | 1858 |
| Poaceae | |
Glyceria aquatica subsp. nervata
| (Willd.) Douin | Fl. Compl. France 12: 24 | 1927 |
| Poaceae | |
Glyceria aquatica var. scabra
| Peterm. | Fl. Lips. Excurs. 89 | 1838 |
| Poaceae | |
Glyceria aquatica var. triflora
| Korsh. | Trudy Imp. S.-Peterburgsk. Bot. Sada 12: 418 | 1892 |