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rough mannagrass

Glyceria maxima (Hartman) Holmb.

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Record ID

Reporter Information

Observation Date
July 22, 2008
Date Entered
July 28, 2008
Date Updated
August 30, 2012
Updated By
Mia Spaid Northeast Ilinois Invasive Plant Partnership
Source Type
Bulk Data

Species Information

Common Name
rough mannagrass
Scientific Name
Glyceria maxima
Voucher
1

Verification and Review

Verification Method
Photographs
Identification Credibility
Verified
Reviewed
Verified
Reviewer
Edward DeWalt
Date Reviewed
July 28, 2008

Infestation Information

Gross Area
73984 square feet
Disturbance
Possible old ComEd Line
Infestation Status
Positive

Location Information

Habitat
Wetland
Locality
Illinois Beach State Park South Unit; Follow entrance road right at split a park on east side of the road adjacent to the wooded area. Walk in the south side of the wooded area intot he cattails. Can be seen from an aerial photo - large circular clone. Landmark: IBSP South unit entrance road. Land use: Park/Natural Area. Typha angustifolia, scirpus acutus
Location
Lake County, Illinois, United States
Coordinates

Survey Information

Method
Google Earth
Source Name
New Invaders
Source Id
2008728111956
Site
Illinois Beach State Park
Datum
NAD83
Comments
8/27/2012 (NIIPP): Population chemically treated in 2008, 2011 and 2012. Property Owners ID: 4

Other

Population

Debbie Maurer

Population

Seed Head

Debbie Maurer

Seed Head

Roots

Debbie Maurer

Roots

Stem

Debbie Maurer

Stem