eddmapslogo

rough mannagrass

Glyceria maxima (Hartman) Holmb.

USDA PLANTS Symbol:GLMA3
Invasive Plant Atlas

Log in to Download

Record ID
Location
Lake County, Illinois
Project
New Invaders Watch Program
Site
Illinois Beach State Park
Habitat
Wetland
Abundance
Dominant cover
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
Comments
8/27/2012 (NIIPP): Population chemically treated in 2008, 2011 and 2012. Property Owners ID: 4
Gross Area
73984 square feet
Coordinates
NADatum
NAD83
Ownership
Illinois Department of Natural Resources of Lake County
Method
Google Earth
Identification Credibility
Verified
Disturbance
Possible old ComEd Line
Observation Date
July 22, 2008
Date Entered
July 28, 2008
Validator
Edward DeWalt
Validation Date
July 28, 2008
Verification Method
Photographs
Date Updated
August 30, 2012
Updated By
Catherine McGlynn, Northeast Ilinois Invasive Plant Partnership
Source Type
Joint Federal/State/County

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