Barber, Charles Melvin

* December 27, 1876 – June 23, 1954 †

United States

Collected Asteraceae

Lemmon, John Gill

* 1832 – November 24, 1908 †

United States

Identified Pteridaceae and collected Fabaceae

George Valentine Nash
Nash, George Valentine

* May 06, 1864 – July 15, 1921 †

United States

Identified Poaceae and collected Poaceae

Cyrus Pringle
Pringle, Cyrus

* May 06, 1838 – May 25, 1911 †

United States

Identified Poaceae and collected Asteraceae