Plant Maps

Data Management

Since 1998, the Terrestrial Invasive Plant Project has maintained a central database of inventory and management activities for the target terrestrial invasive species posing the greatest threat in the Adirondack Park : Japanese knotweed, purple loosestrife, common reed grass, and garlic mustard. These data include information collected by volunteers, staff assisting APIPP, and the NY Natural Heritage Program. Our knowledge of terrestrial invasive plant distributions in the Adirondack Park is largely limited to roadside occurrences of the target species. The location information is based on confirmed species identification and DOT roadside mileage markers and GPS coordinates.

Conservation Areas

To help focus inventory and management activities, the APIPP principle partners designated two different management zones: the Core Conservation Area (shown in yellow) and the Border Conservation Area (shown in white). The Core area represents relatively intact land and isolated invasive plant populations, suitable for eradication and short-term controls (1-5 years). The Border area is characterized by heavy human disturbance and large expansive populations of plants, where long-term and permanent management controls are required.

Plant Distribution Maps

The map below indicates known occurrences of terrestrial invasive plants across the region. Each point represents a GPS location of one or more locations of plant populations. Distribution data are contributed by APIPP partner organizations, volunteers, Boquet and AuSable River Associations, Hamilton County Soil and Water Conservation District, and the Lake George Land Conservancy.

It is important to note that not all roads within the Park have been surveyed, and although terrestrial invasive species may not have been identified along a given stretch of roadway, it is possible that they might be present and hidden by other vegetation or in landowners' backyards. It follows that a negative survey result indicates only that an invasive plant has not been detected and does not preclude the possibility of its existence. If you would like to become a volunteer and assist with either inventory or control efforts, please contact the APIPP Program Coordinator.

View plant occurrences by Region, County, or USGS Quad!

Click on the map or links below to view distribution maps for
terrestrial invasive plants documented in the Adirondack Park.

Please note that the maps show only the occurrences that have been reported. 

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Maps of County Clinton Essex Franklin Fulton Hamilton Herkimer Lewis Oneida St. Lawrence Saratoga Warren Washington Maps of County by Quad Clinton Essex Franklin Fulton Hamilton Herkimer Lewis Oneida St. Lawrence Saratoga Warren Washington