Botany: Biographies

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Henry Allan Gleason

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

Henry Allan Gleason , 1882–1975, American botanist, plant geographer, and plant ecologist. His floristic studies of North American vegetation led to his "individualistic concept of the plant community," which views each species as functioning independently within the plant community, a concept that has gained favor in recent years. He coauthored two important books with Arthur Cronquist , The Natural Geography of Plants (1964) and the Manual of Vascular Plants of the Northeastern United States and Adjacent Canada (1963, repr. 1991). He also wrote The New Britton and Brown Illustrated Flora of the Northeastern United States and Adjacent Canada (1952).

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Gleason, Henry Allan

A Dictionary of Plant Sciences | 1998 | | Copyright

Gleason, Henry Allan (1882–1973) An American ecologist, who worked at the New York Botanical Garden and in 1917 challenged the organismic climax theory proposed by F. E. Clements (and later by A. G. Tansley in Britain), in favour of his own individualistic hypothesis.

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MICHAEL ALLABY. "Gleason, Henry Allan." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Gleason, Henry Allan." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-GleasonHenryAllan.html

MICHAEL ALLABY. "Gleason, Henry Allan." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-GleasonHenryAllan.html

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Gleason, HenryAllan

A Dictionary of Ecology | 2004 | | Copyright

Gleason, HenryAllan (1882–1973)An American ecologist, who worked at the New York Botanical Garden and, in 1917, challenged the organismic climax theory proposed by F. E.Clements (and later by A. G.Tansley in Britain), in favour of his own individualistic hypothesis.

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MICHAEL ALLABY. "Gleason, HenryAllan." A Dictionary of Ecology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Gleason, HenryAllan." A Dictionary of Ecology. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O14-GleasonHenryAllan.html

MICHAEL ALLABY. "Gleason, HenryAllan." A Dictionary of Ecology. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-GleasonHenryAllan.html

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