Karl McKay Wiegand (June 2, 1873 – March 12, 1942) was an American botanist who headed the Department of Botany at

Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...

for 28 years. He was a member of the

Botanical Society of America The Botanical Society of America (BSA) represents professional and amateur botanists, researchers, educators and students in over 80 countries of the world. It functions as a United States nonprofit 501(c)(3) membership society. History The soci ...

and served as its president in 1939.

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* 1873 births 1942 deaths Cornell University faculty 20th-century American botanists {{US-botanist-stub