Glyceria is known commonly as mannagrass in the United States, or, in the UK, sweet-grass. These are perennial rhizomatous grasses found in wet areas in temperate regions worldwide. The base of the grass grows along the ground and may root at several places. Then it grows erect and bears leaf blades which may be flat or folded.

Reed Sweetgrass is known as Glyceria maxima and it is in the grass family. It is native to temperate areas of Europe and Asia and is also called tall manna grass and reed grass.

American Manna Grass is a robust, handsome species common to open shallow waters or mud throughout Minnesota. It can generally be distinguished by its shiny, succulent foliage and stem, and light yellow-green color.

Fowl mannagrass is a rapidly establishing native species suitable for restoration of swamps, the edges of marshes, ponds, and streams, and other wetland plant communities where an herbaceous understory is desired.

Genus: Glyceria — manna grass Wetland -inhabiting species in the genera Glyceria, Puccinellia, and Torreyochloa can be hard to tell apart. Of the three, only Puccinellia species can grow in saline conditions, it has open leaf sheaths, its upper glumes have 3 veins, and the veins on its lemmas are inconspicuous.

Glyceria striata (Fowl Mannagrass) is a long-lived, perennial bunchgrass forming a robust clump of soft, ribbon-like leaves, 6-10 in. long (15-25 cm). In early to mid-summer, each erect to ascending culm terminates in an airy pyramid-like panicle of spikelets, up to 12 in. long (30 cm), with spreading and drooping branches.

Glyceria grandis is a species of grass known by the common name American mannagrass. It is native to Canada and the United States, where it is widespread in distribution. It is most commonly found in wet areas such as riverbanks and ponds.

Fowl Manna Grass is the most common Glyceria sp. in Illinois. It can be distinguished from other species in this genus by the small size of its spikelets and lemmas.

Manna grass is native to wet soils and can be planted along streams, lake banks, and in water gardens. Its bright cream and yellow stripes on green leaves are eye-catching. It spreads by rhizomes and in rich garden soil has the potential to become very aggressive and difficult to …

Tall mannagrass can be easily confused with reed mannagrass (Glyceria grandis) which has smoother leaves and lack its slightly rough texture. Others mannagrasses are easier to distinguish, but a botanical key should be consulted.