Rare Plants Information Available from the Washington Natural Heritage Program

Washington Rare Plant Species with Ranks	A list of rare plant species that are tracked by the Washington Natural Heritage Program, including ranks and status.
Rare Plant Lists by County	A list of the rare plant species known to occur in each county of Washington State.
Washington Rare Plant List Changes Since 1997	A list of changes made to Endangered, Threatened & Sensitive Vascular Plants of Washington that was published in August 1997.
Updated Taxonomy and Nomenclature References	A list of references for rare plant species names not in our publication Vascular Plants of the Pacific Northwest.
Field Guide to Selected Rare Plants of Washington	The online version of our Field Guide to Selected Rare Vascular Plants of Washington features identification tips, photos, occurrence maps, and more. Download and print fact sheets on Washington's rare plants.
Lists of Non-Vascular Plants	Lists of rare mosses, lichens, macrofungi, and marine algae of Washington.
Watch List of Vascular Plants	A list of vascular plants that are more abundant and/or less threatened in Washington than previously assumed.
Plant Species in the Continental U.S.	Open NatureServe Explorer and search by common name or scientific name to find information on plants known to occur in the continental U.S.
Natural Heritage Methodology: Classification of Plants	NatureServe Explorer reports plant names as accepted by the Natural Heritage Netowrk's standard references.
Definitions of Listing, Status, and Ranks used in Natural Heritage Data	A list of definitions used in Natural Heritage Methodology.
Rare Plant Survey Guidelines	Suggested guidelines for conducting rare plant surveys for environmental review in Washington State
Rare Plant Sighting Form	Please contribute your sightings of rare plants in Washington using our Rare Plant Sighting Form.
GIS Data Sets	Spatial information on rare plant occurrences is available in the WNHP GIS Data Set. This GIS coverage may be licensed for professional environmental assessment or land management purposes by contacting the Environmental Review Coordinator at (360) 902-1667.
Project Area Report	Information on natural heritage features which have been reported at a specific project location can be provided in a Project Area Report prepared by program staff.