Specimen Information

Glyceria maxima
Glyceria maxima
(reed mannagrass)
Plants
Exotic

Specimen ID238557
GroupPlants
GenusGlyceria
Speciesmaxima
Common Namereed mannagrass
StateIL
CountyLake
LocalityIllinois Beach State Park
Mapping AccuracyAccurate
HUC8 NamePike-Root
HUC8 Number04040002
HUC10 NameWaukegan River-Frontal Lake Michigan
HUC10 Number0404000205
HUC12 NameWaukegan River-Frontal Lake Michigan
HUC12 Number040400020501
Map
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Collection Day18
Collection Month5
Collection Year2006
Year AccuracyActual
Potential Pathwayhitch hiker | dispersed
Statusunknown
Reference 1
Ref. Number:16112
Author:D. Nelson.
Date:2006
Title:Global Invasive Species Initiative listserve digest: "Glyceria maxima found in Illinois".
Publisher:The Nature Conservancy.
Volume:2006
Issue:#146
CommentsExpanding in a circular pattern emanating from around a manhole cover that was installed many years ago. Treated in 2006 with repeat treatment anticipated in 2007.
Record TypeLiterature
Earliest Recordstate
VerifierJ. Ebinger & G. Tucker, Eastern Illinois Univ.
Freshwater/MarineFreshwater
Specimen ImpactOut-competing thick cattail monoculture
Photo



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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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/19/2022].

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