Astragalus tweedyi (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Astragalus tweedyi" in English language version.

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1books.google.com

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1natureserve.org

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books.google.com

Lesica, Peter; Krukeberg, Arthur (2017). "Frank Tweedy (1854–1937)". In Potter, Rachel; Lesica, Peter (eds.). Montana's Pioneer Botanists: Exploring the Mountains and Prairies. Montana Native Plant Society. ISBN 978-0-692-83690-3.

harvard.edu

kiki.huh.harvard.edu

Astragalus Tweedyi type (in part), Gray Herbarium

jstor.org

Canby, W.M. 1890. Astragalus Tweedyi n. sp. in Some Western Plants. Bot. Gaz. 15: 150. Univ Chicago Press Journals

loc.gov

Federal Register: 50 Fed. Reg. 39073 (Sept. 27, 1985).

natureserve.org

explorer.natureserve.org

"Astragalus tweedyi" in NatureServe Explorer

usda.gov

plants.usda.gov

Astragalus tweedyi in USDA Plants Database