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Washington Natural Heritage Information System
Known High-Quality or Rare Plant Communities and Wetland Ecosystems of Washington
August 2012

Walla Walla County


Scientific Name
Common Name
Historic Record
Eriogonum niveum / Poa secunda Dwarf-shrub Herbaceous Vegetation Snow Buckwheat / Sandberg's Bluegrass
Pseudoroegneria spicata - Festuca idahoensis Canyon Herbaceous Vegetation Bluebunch Wheatgrass - Idaho Fescue Canyon
Pseudoroegneria spicata - Poa secunda Herbaceous Vegetation Bluebunch Wheatgrass - Sandberg's Bluegrass


Washington Natural Heritage Program - www.dnr.wa.gov/ResearchScience/Topics/NaturalHeritage/Pages/amp_nh.aspx/
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Washington Dept. of Natural Resources, PO Box 47016, Olympia, WA 98504-7016