Botanical observations in Western Wyoming :with notices of rare plants and descriptions of new species collected on the route of the North-Western Wyoming expedition under Captain W.A. Jones Parry, C. C. creator Parry, C. C. (Charles Christopher), 1823-1890 creator text book Salem, MA Salem Press 1874 1874
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Botany Plants Wyoming QK179.P37 1874 https://www.biodiversitylibrary.org/bibliography/41561 7332473 10.5962/bhl.title.41561