U.S. Fish & Wildlife Service
America's National Wildlife Refuge System
Volunteers and Invasive Plants: Learning and Lending a Hand
Results of Invasive Plant Mapping
Rocky Mountain Arsenal NWR, Colorado
Map showing the location and extent of houndstongue in 2006.
Cache River NWR, Arkansas
Map showing the location and acreage of kudzu in the Beulah area.
Ottawa NWR, Ohio
Map showing the location and extent of eight invasive plant species in 2004.
