20th-century American botanists

American botanist and curator (1938— )

American botanist (1888-1951)

U.S. zoologist and herpetologist (1894–1940)

U.S. botanist (1908–1989)

American botanist (1892-1968)

American lichenologist (1929-2003)

American botanist and naturalist (1864–1943)

American botanist, botanical collector, curator, editor and director of the William and Lynda Steere Herbarium (1940 - )

American botanist (1920-2009)

botanist (1909-1987)

American botanist (1884-1974)

U.S. botanist & educator (1891-1964)

American plant physiologist

American botanist, phytopathologist and mycologist (1879-1963)

American botanist (1867-1951)

American botanist (1936-1987)

botanist (1901-1985)

American botanist (1873–1942)

American botanist (1911–1998)

American botanist and botanical collector (1884-1967)

American chemist and biophysicist (1903-1959)

American mycologist (1890-1992)

American botanist and lawyer (1877-1934)

American botanist (1908-1983)

U.S. botanist (1916–2010)

American botanist (1921–1997)

U.S. botanist, writer, tax resister and quaker (1838-1911)

American biophysicist (1898–1973)

Canadian botanist (1866-1950)

botanist

American botanist (1902-1978)

American botanist for the National Museum of Natural History (1947-2019)

American botanist and climatologist (1907-1999)

American botanist (1927-2005)

American botanist and astronomer (1838 – 1914)

American botanist, author, educator and museum director (1892-1970)

Anglo-American botanist

American botanist and curator (1953— )

American botanist and bryologist (1896-1993)

American botanist (1936-1994)

Botanist and paleontologist (1910-2002)

Taiwanese-American plant scientist (1932–2007)

American botanist (1879-1944)

American botanist (1911-1963)

American botanist (1888-1968)

American botanist (1908-2005)

American botanist (1890-1983)

American botanist (1903-1982)

American climate scientist

American botanist (1890–1993)

American botanist (1884–1967)

American zoologist (1894–1956)

American botanist (1890-1990)

American botanist (1903-1994)

American botanist (1899–1988)

American botanist (1881-1962)

Czech biologist, botanist and geneticist (1882-1952)

American botanist (1903-1995)

American botanist (1892-1959)

American botanist (1869-1929)