Adele Gerard Lewis Grant (June 3, 1881 - June 19, 1969)^[1] was an American feminist,^[2] botanist,^[3] teacher, taxonomist, curator, and explorer.

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In 1903, she obtained a B.Sc. in botany from the University of California at Berkeley. She continued with her studies, gaining an M.Sc. and Ph.D. in botany from Washington State University.^[4] Before her move to South Africa, she taught at the Missouri Botanical Garden and Cornell University.

At Cornell, she started and served as the first president for the Sigma Delta Epsilon Graduate Women's Scientific Fraternity.^[5]

In 1925, she moved to South Africa to teach botany at the Huguenot Faculty in Wellington, South Africa, while collecting plants in countries such as Congo, Democratic Republic, Mozambique, South Africa, and Zimbabwe.

She returned to the United States in 1930, returning also to the Missouri Botanical Garden. She then moved to continue her research at the University of California, Los Angeles. Her specific focus included genera Mimulus and Hemimeris L.^[3]

• 1901: Co-founded the Prytanean Society with Agnes Frisius on the campus of the University of Berkeley, with advisor Mary Bennett Ritter^[6] The Sigma Delta Epsilon Adele Lewis Grant Fellowship was named in her honor.^[7]

The standard author abbreviation A.L.Grant is used to indicate this person as the author when citing a botanical name.^[8]