Glyceria sp.
Manna grass, Manna Grass
Family: Poaceae · Type: Perennial · Variable; species dependent
Glyceria sp. (Manna grass) is a non-native California perennial in the Poaceae family.
How to tell it apart
vs Pleuropogon: Glyceria has closed leaf sheaths and 1-veined upper glumes; Pleuropogon has open sheaths and distinctive bumpy, jointed spikelet axes.; vs Oloptum: Glyceria has closed sheaths in wetlands; Oloptum has open sheaths in dry sites with needle-like rolled leaves.; vs Torreyochloa: Glyceria has 1-veined upper glumes; Torreyochloa has 3-veined upper glumes and more prominent lemma veining.; vs Puccinellia: Glyceria has closed leaf sheaths in freshwater; Puccinellia has open sheaths in saline/alkaline sites.; vs Desmazeria: Glyceria is perennial in wetlands with closed sheaths; Desmazeria is annual of dry sites with open sheaths.
Frequently asked questions
Is Glyceria sp. native to California?
No. Glyceria sp. is not native to California (recorded as variable; species dependent).
What plant family does Glyceria sp. belong to?
Glyceria sp. is in the Poaceae family, genus Glyceria.
Related species
Other California species in the same genus, family, or bioregion.
- Glyceria striata — Ridged manna grass
- Glyceria borealis — Boreal manna grass
- Glyceria declinata — Low manna grass
- Glyceria elata — Fowl manna grass
- Glyceria fluitans — Water manna grass
- Glyceria grandis — American manna grass
- Hainardia cylindrica — Barbgrass
- Hainardia sp. — Barb grass
- Heteropogon contortus — Tanglehead
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.