Herman Silas Pepoon

Herman Silas Pepoon (1860–1941), often known simply as H.S. Pepoon, was a prominent early botanist in the Chicago region. His 1927 Annotated Flora of the Chicago Region remains a classic of Chicago botany.

Early life and education Born in Warren, Illinois on January 21, 1860, Pepoon was the son of George and Mary Pepoon, and nephew of Nebraska politician Theodore Pepoon. He received his BS from the University of Illinois at Urbana–Champaign in 1881, where his thesis was on "The flora of upper Michigan". He went on to study medicine and received an MD in 1883 from Hahnemann Medical College of Chicago.

Career After receiving his MD, Pepoon initially practiced medicine, in Nebraska and in Lewistown, Illinois.

Books Studies of Plant Life (1900) Representative Plants (1912) An Annotated Flora of the Chicago Region (1927) Essays on ecology 1904-1933 (published 2011)