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tom d whitson
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Weeds and poisonous plants of Wyoming and Utah
Tom D. Whitson · Utah State University Cooperative Extension Service and Agricultural Experiment Station
282 sayfa · 1987
Poisonous plants / Identification / Pictorial works / Weeds
Weeds of the west
Tom D. Whitson, L. C. Burrill · The Western Society of Weed Science in cooperation with the Western United States Land Grant Universities Cooperative Extension Services
629 sayfa · 1992
Plants / Arid regions plants / Identification / Handbooks, manuals / Weeds