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 H.E. Brown 67, Umatilla Co., Oregon, 6 September 1896

collected by H.E. Brown 67, Umatilla Co., Oregon, 6 September 1896
(from the United States National Herbarium US-283052)
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