| Glyceria canbyi Scribn. | Poa secunda J. Presl | | | Glyceria canbyiScribn. | Poa secundaJ. Presl |
| Glyceria distans (Jacq.) Wahlenb. | Puccinellia distans (Jacq.) Parl. subsp. distans | | | Glyceria distans(Jacq.) Wahlenb. | Puccinellia distans(Jacq.) Parl. subsp. distans |
| Glyceria elata (Nash) Hitchc. | | a | | Glyceria elata(Nash) Hitchc. | |
| Glyceria fluitans (L.) R. Br. | | a | | Glyceria fluitans(L.) R. Br. | |
| Glyceria grandis S. Watson | | a | | Glyceria grandisS. Watson | |
| Glyceria lithuanica (Gorski) Gorski | | a | | Glyceria lithuanica(Gorski) Gorski | |
| Glyceria magellanica (Hook. f.) Benth. | Puccinellia magellanica (Hook. f.) Parodi | | | Glyceria magellanica(Hook. f.) Benth. | Puccinellia magellanica(Hook. f.) Parodi |
| Glyceria maxima (Hartm.) Holmb. | | a | | Glyceria maxima(Hartm.) Holmb. | |
| Glyceria multiflora Steud. | | a | | Glyceria multifloraSteud. | |
| Glyceria plicata (Fr.) Fr. | Glyceria notata Chevall. | | | Glyceria plicata(Fr.) Fr. | Glyceria notataChevall. |
| Glyceria remota (Forselles) Fr. | Glyceria lithuanica (Gorski) Gorski | | | Glyceria remota(Forselles) Fr. | Glyceria lithuanica(Gorski) Gorski |
| Glyceria remota (Forselles) Fr. var. japonica Hack. | Glyceria alnasteretum Kom. | | i | Glyceria remota(Forselles) Fr. var.japonica Hack. | Glyceria alnasteretumKom. |
| Glyceria tonglensis C. B. Clarke | | a | | Glyceria tonglensisC. B. Clarke | |
| Glyceria striata (Lam.) Hitchc. | | a | | Glyceria striata(Lam.) Hitchc. | |
| Glyceria spp. | | a | | Glyceria spp. | |
| Glyceria songorica Schrenk ex Fisch. & C. A. Mey. | Eremopoa altaica (Trin.) Roshev. subsp. songorica (Schrenk ex Fisch. & C. A. Mey.) Tzvelev | | | Glyceria songoricaSchrenk ex Fisch. & C. A. Mey. | Eremopoa altaica(Trin.) Roshev. subsp. songorica (Schrenk ex Fisch. & C. A. Mey.) Tzvelev |
| Glyceria obtusa (Muhl.) Trin. | | a | | Glyceria obtusa(Muhl.) Trin. | |
| Glyceria notata Chevall. | | a | | Glyceria notataChevall. | |
| Glyceria fluitans (L.) R. Br. var. plicata Fr. | Glyceria notata Chevall. | | i | Glyceria fluitans(L.) R. Br. var.plicata Fr. | Glyceria notataChevall. |
| Glyceria alnasteretum Kom. | | a | | Glyceria alnasteretumKom. | |
| Glyceria ischyroneura Steud. | | a | | Glyceria ischyroneuraSteud. | |
| Glyceria arctica Hook. | Puccinellia arctica (Hook.) Fernald & Weath. | | | Glyceria arcticaHook. | Puccinellia arctica(Hook.) Fernald & Weath. |
| Glyceria pallida (Torr.) Trin. | Torreyochloa pallida (Torr.) G. L. Church var. pallida | | | Glyceria pallida(Torr.) Trin. | Torreyochloa pallida(Torr.) G. L. Church var.pallida |
| Glyceria pallida (Torr.) Trin. var. fernaldii Hitchc. | Torreyochloa pallida (Torr.) G. L. Church var. fernaldii (Hitchc.) Dore | | i | Glyceria pallida(Torr.) Trin. var.fernaldii Hitchc. | Torreyochloa pallida(Torr.) G. L. Church var.fernaldii (Hitchc.) Dore |
| Glyceria fernaldii (Hitchc.) H. St. John | Torreyochloa pallida (Torr.) G. L. Church var. fernaldii (Hitchc.) Dore | | | Glyceria fernaldii(Hitchc.) H. St. John | Torreyochloa pallida(Torr.) G. L. Church var.fernaldii (Hitchc.) Dore |
| Glyceria pauciflora J. Presl | Torreyochloa pallida (Torr.) G. L. Church var. pauciflora (J. Presl) J. I. Davis | | | Glyceria paucifloraJ. Presl | Torreyochloa pallida(Torr.) G. L. Church var.pauciflora (J. Presl) J. I. Davis |
| Glyceria langeana Berlin | Puccinellia tenella (Lange) Holmb. subsp. langeana (Berlin) Tzvelev | | | Glyceria langeanaBerlin | Puccinellia tenella(Lange) Holmb. subsp. langeana (Berlin) Tzvelev |
| Glyceria tenella Lange | Puccinellia tenella (Lange) Holmb. subsp. tenella | | | Glyceria tenellaLange | Puccinellia tenella(Lange) Holmb. subsp. tenella |
| Glyceria canadensis (Michx.) Trin. | | a | | Glyceria canadensis(Michx.) Trin. | |
| Glyceria laxa (Scribn.) Scribn. | | a | | Glyceria laxa(Scribn.) Scribn. | |
| Glyceria pulchella (Nash) K. Schum. | | a | | Glyceria pulchella(Nash) K. Schum. | |
| Glyceria nemoralis (Uechtr.) Uechtr. & Korn. | | a | | Glyceria nemoralis(Uechtr.) Uechtr. & Korn. | |
| Glyceria aquatica (L.) Wahlb. | Glyceria maxima (Hartm.) Holmb. | | | Glyceria aquatica(L.) Wahlb. | Glyceria maxima(Hartm.) Holmb. |
| Glyceria occidentalis (Piper) J. C. Nelson | | a | | Glyceria occidentalis(Piper) J. C. Nelson | |
| Glyceria spectabilis Mert. & W. D. J. Koch | Glyceria maxima (Hartm.) Holmb. | | | Glyceria spectabilisMert. & W. D. J. Koch | Glyceria maxima(Hartm.) Holmb. |
| Glyceria stricta Hook. f. | Puccinellia stricta (Hook. f.) Blom | | | Glyceria strictaHook. f. | Puccinellia stricta(Hook. f.) Blom |
| Glyceria septentrionalis Hitchc. | | a | | Glyceria septentrionalisHitchc. | |
| Glyceria declinata Breb. | | a | | Glyceria declinataBreb. | |
| Glyceria grandis S. Watson var. komarovii Kelso | | a | i | Glyceria grandisS. Watson var.komarovii Kelso | |
| Glyceria grandis S. Watson var. grandis | | a | i | Glyceria grandisS. Watson var.grandis | |