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River to River CWMA

River to River CWMA

The River to River Cooperative Weed Management Area (CWMA) is a partnership between 12 federal and state agencies, organizations, and universities aimed at coordinating efforts and programs for addressing the threat of invasive plants in Southern Illinois. The CWMA was formally established in 2006 (view our MOU) and addresses both terrestrial and aquatic invasive plant species through collaborative projects and activities focused in Education / Public Awareness, Early Detection and Rapid Response, Prevention, Control and Management, and Research. The CWMA is grant funded and projects-based. Our goal is to cooperatively address the short and long-term effects of non-native invasive plants across jurisdictional boundaries within the 11 southern counties of Illinois.


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6 Images of 5 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1264006 Japanese climbing fern Lygodium japonicum Vines and Fronds.
1373015 slash pine Pinus elliottii Pollen dispersing.
1373016 slash pine Pinus elliottii Pollen dispersing
1373023 pine Pinus spp. Pollen covering the top of the car.
5177060 Florida nutmeg Torreya taxifolia Trunk of small tree showing whorled branching pattern
1342085 Table Mountain pine Pinus pungens Comparison with Virginia pine foliage (left), which also has two needles per fascicle. Table Mountain pine needles (right) are larger and stiffer.

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