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rough mannagrass

Glyceria maxima (Hartman) Holmb.

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Record ID

Reporter Information
Observation Date
22 July 2008
Date Entered
28 July 2008
Date Updated
30 August 2012
Updated By
Mia Spaid Northeast Ilinois Invasive Plant Partnership
Source Type
Joint Federal/State/County
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
28 July 2008
Infestation Information
Gross Area
73984 square feet
Disturbance
Possible old ComEd Line
Eradication 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
Illinois, Lake County
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
Photo By:
Debbie Maurer
Photo Caption:
Population
Photo By:
Debbie Maurer
Photo Caption:
Seed Head
Photo By:
Debbie Maurer
Photo Caption:
Roots
Photo By:
Debbie Maurer
Photo Caption:
Stem