| Poaceae | |
Glyceria maxima fo. acuta
| (Peterm.) Soó | Acta Bot. Acad. Sci. Hung. 17(1–2): 117 | 1971 [1972] |
| Poaceae | |
Glyceria maxima var. americana
| (Torr.) B. Boivin | Naturaliste Canad. 94(4): 524 | 1967 |
| Poaceae | |
Glyceria maxima subsp. arundinacea
| (Kunth) Hayek | Repert. Spec. Nov. Regni Veg. Beih. 30(3): 271 | 1932 |
| Poaceae | |
Glyceria maxima subsp. grandis
| (S. Watson) Hultén | Acta Univ. Lund. 38: 229 | 1942 |
| Poaceae | |
Glyceria maxima var. grandis
| (S. Watson) Breitung | Canad. Field-Naturalist 71(2): 45 | 1957 |
| Poaceae | |
Glyceria maxima subsp. maxima
| | | |
| Poaceae | |
Glyceria maxima fo. pallescens
| (Fernald) B. Boivin | Naturaliste Canad. 94(4): 524 | 1967 |
| Poaceae | |
Glyceria maxima fo. scabra
| (Peterm.) Soó | Acta Bot. Acad. Sci. Hung. 17(1–2): 117 | 1971 [1972] |
| Poaceae | |
Glyceria maxima subsp. triflora
| (Korsh.) Hultén | Circumpol. Pl. 1: 184 | 1962 |