Glyceria maxima
Glyceria maxima
(reed mannagrass)
Plants
Exotic
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142 results for Glyceria maxima (reed mannagrass)
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Page:123456
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1656967   North Monaghan Twp., Peterborough Airport, 12km NE of Millbrook Post Office1999 04270204 Otonabee Riverestablished
238557 ILLakeIllinois Beach State Park2006 04040002 Pike-Rootunknown
1397192 ILLakeIllinois Beach State Park South Unit2008 04040002 Pike-Rootunknown
229916 MAEssexGreat Wenham Swamp, Ipswich River Wildlife Sanctuary, town of Wenham1990 01090001 Charlesunknown
235124 MAEssexIpswich River Wildlife Sanctuary, Topsfield1999 01090001 Charlesunknown
229918 MAEssexMile Brook Swamp, downstream of swamp population, in the stream channel,Ipswich River Wildlife Sanctuary, Topsfield1994 01090001 Charlesunknown
229917 MAEssexMile Brook Swamp, Ipswich River Wildlife Sanctuary, Topsfield1990 01090001 Charlesunknown
1401075 MIGeneseeFlint2016 04080204 Flintunknown
1401074 MIKalamazooGourdneck Creek, between 23rd St and Portage Rd2017 04050001 St. Josephestablished
1878382 MILuceDollarville Flooding2021 04020202 Tahquamenon 
1878383 MILuceDollarville Flooding2021 04020202 Tahquamenon 
1421486 MNRamseySt. Anthony Park, St. Paul1888 07010206 Twin Citiesextirpated
1421484 MNWabashaOld Channel Zumbro River, North of McCarthy Lake2016 07040003 Buffalo-Whitewaterestablished
1421485 MNWabashashallow wetland under an electrical transmission line, McCarthy Lake WMA2017 07040003 Buffalo-Whitewaterestablished
1762113 NYWyoming[No locality description provided]1994 04270101 Niagara River 
1556682 ON [No locality description provided]2013 04270103 Sixteen Mile Creek-Frontal Lake Ontarioestablished
1556684 ON [No locality description provided]2013 04270103 Sixteen Mile Creek-Frontal Lake Ontarioestablished
1556686 ON [No locality description provided]2013 04270103 Sixteen Mile Creek-Frontal Lake Ontarioestablished
1656973 ON Algoma Co., Algoma District, south side of the town of Spanish, west of cemetery1981 04240002 Lake Huronestablished
1656975 ON Algoma County, Hwy 17, Serpent River, The North Shore Township Municipality1989 04200006 Serpent River-Frontal Lake Huronestablished
1656971 ON Bruce County, near Schmidt Lake in Greenock Swamp, Greenock Tp.1987 04230003 Saugeen Riverestablished
1656970 ON Burlington (Aldershot), Valley Inn to Hendrie Valley, W and N side of Grindestone Creek1993 04270103 Sixteen Mile Creek-Frontal Lake Ontarioestablished
1656972 ON Grey County, Bruce Peninsula, 2 Miles E of Wiarton1982 04240002 Lake Huronestablished
240781 ON Lake Ontario marsh between Hamilton and Dundas, Ontario1940 04270103  established
1656974 ON Manitoulin Island, Hwy 540 jnct. with rd. to Silver Lake, Robinson Twp.1976 04240001 Manitoulin Islandestablished
Page:123456

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/11/2025].

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