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Invasive species - Wisconsin DNR
dnr.wi.gov
· Iris pseudacorus : : Prohibited: Yellow star thistle : Centaurea solstitialis : : Back to Top. Last revised: July 10, Back. Wisconsin Department of Natural Resources 101 S. Webster Street PO Box Madison, WI
Yellow flag iris/Iris pseudacorus - Wisconsin DNR
dnr.wi.gov
Biological, ecological and regulatory information on the invasive plant Yellow flag iris, Iris pseudacorus.
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