Smithsonian National Museum of Natural History  
Lewis and Clark as Naturalists
<EM>Machaeranthera canescens </EM>(Pursh) A.Gray var. <EM>incana </EM>(Lindl.) A.Gray - collected by A.D.E. Elmer 608, Loomiston, Washington, August 1897

collected by A.D.E. Elmer 608, Loomiston, Washington, August 1897
 (from the United States National Herbarium US-352374)
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