Thomas Eisner was born on 25 June 1929. He was American national and known as Ecologist and entomologist.
George Engelmann was born on 02 February 1809. He was American national and known as Botanist.
Lawrence B. Slobodkin was born on 22 June 1928. He was American national and known as Ecologist.
Charles Edwin Bessey was born on 21 May 1845. He was American national and known as Botanist.
Elizabeth Gertrude Britton was born on 09 January 1858. He was American national and known as Botanist.
Henry Chandler Cowles was born on 27 February 1869. He was American national and known as Botanist.
Warder Clyde Allee was born on 05 June 1885. He was American national and known as Ecologist.
Luther Burbank was born on 07 March 1849. He was American national and known as Horticulturist, Geneticist, Botanist, Gardener,.
David Starr Jordan was born on 19 January 1851. He was American national and known as Botanist, Peace activist, Zoologist,.
Joseph Banks Rhine was born on 29 September 1895. He was American national and known as Botanist.
William Bartram was born on 20 April 1739. He was American national and known as botanist, ornithologist, writer, zoologist.
Lester Frank Ward was born on 18 June 1841. He was American national and known as Botanist.
David Fairchild was born on 07 April 1869. He was American national and known as Botanist.
John Bartram was born on 23 March 1699. He was American national and known as Botanist.
G. Ledyard Stebbins was born on 06 January 1906. He was American national and known as Botanist.
Katherine Esau was born on 03 April 1898. He was American national and known as Botanist.
Ruth Patrick was born on 26 November 1907. He was American national and known as Limnologist, Botanist.
Ynes Mexia was born on 24 May 1870. He was American national and known as Botanist.
Albert Francis Blakeslee was born on 09 November 1874. He was American national and known as Botanist.
