Smithsonian National Museum of Natural History  
Lewis and Clark as Naturalists
<EM>Betula papyrifera </EM>Marsh. - collected by J.H. Thomas 10820, Flathead Co., Montana, 28 June 1965

collected by J.H. Thomas 10820, Flathead Co., Montana, 28 June 1965
(from the United States National Herbarium US-2575030)
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