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GIS Data Available from the Washington Natural Heritage Program

The Program currently produces two GIS data products for licensed use.


WNHP GIS Data Set includes information on rare plants and ecological communities. WNHP GIS represents the results of ongoing and incomplete survey statewide. These data are made availabe for authorized licensed use.

Oaks and Grasslands of the Puget Trough Ecoregion: GIS Data Set

The Oaks and Grasslands GIS data layer includes information on oak communities, mixed oak communities, native grasslands, non-native grasslands, and shrublands in the Puget Trough Ecoregion.

Washington Natural Heritage Program -
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Washington State Dept. of Natural Resources, PO Box 47000,
Olympia, WA 98504-7000  Tel. (360) 902-1000