Contains 2 accepted taxa overall.

Characteristics
Glyceria R.Br.
MANNAGRASS
Classification
POALES
Glyceria
Citation
GLYCERIA R. Brown, Prodr. 179. 1810, nom. cons.
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TYPE: Glyceria fluitans (Linnaeus) R. Brown (Festuca fluitans Linnaeus)
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Glyceria septentrionalis EASTERN MANNAGRASS Not Native OBL (NWPL)
Glyceria striata FOWL MANNAGRASS Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Spikelets (6.5)10-23 mm long, with (5)8-16 florets
1.  Spikelets 1.8-4 mm long, with 3-7 florets
Genus Synonyms
Synonym Full Citation Basionym Type
Exydra Exydra Endlicher, Fl. Poson. 119. 1830. TYPE: Exydra aquatica (Linnaeus) Endlicher (Poa aquatica Linnaeus)
Hemibromus Hemibromus Steudel, Syn. Pl. Glumac. 1: 317. 1854. TYPE: Hemibromus japonicus Steudel
Hydrochloa Hydrochloa Hartman, Gen. Gram. 8. 1819, non Palisot de Beauvois 1812. TYPE: Hydrochloa fluitans (Linnaeus) Hartman (Festuca fluitans Linnaeus) Lectotypified by Soreng, in Soreng et al., Contr. U.S. Natl. Herb. 48: 402. 2003.
Hydropoa Hydropoa (Dumortier) Dumortier, Bull. Soc. Roy. Bot. Belgique 7: 67. 1868. BASIONYM: Poa Linnaeus, sec. Hydropoa Dumortier, Observ. Gramin. Belg. 111. 1824 ("1823"). TYPE: Hydropoa aquatica (Linnaeus) Fourreau (Poa aquatica Linnaeus) = Exydra Endlicher 1830.
Nevroloma Nevroloma Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 106. 1819. TYPE: Nevroloma canadensis (Michaux) Rafinesque (Briza canadensis Michaux)
Porroteranthe Porroteranthe Steudel, Syn. Pl. Glumac. 1: 287. 1854. TYPE: Porroteranthe drummondii Steudel