William Trelease

Who was William Trelease?

William Trelease was an American botanist, entomologist, explorer, writer and educator. This botanist is denoted by the author abbreviation Trel. when citing a botanical name.

Trelease graduated B.S. from Cornell University in 1880. He was instructor in botany at Harvard University 1880-81, instructor in botany at the University of Wisconsin 1881-83, and professor of botany there from 1883 to 1885. He was also special lecturer in botany at Johns Hopkins University, and in charge of the summer school of botany at Harvard, during 1883-84. He was Engelmann professor of botany at Washington University in St. Louis from 1885 to 1913, and appointed director of the Missouri Botanical Garden from 1889 to 1912. He was active in a large number of municipal and professional academic associations: he was the first President of the Botanical Society of America in 1894, and served as President for a second time in 1918. From 1913 to 1926 he was professor of botany and head of department at the University of Illinois.

Trelease was amongst the scientists on the two-month expedition to Alaska led by Edward Henry Harriman in 1899.