Barber, Charles Melvin

* December 27, 1876 – June 23, 1954 †

United States

Collected Asteraceae

Cyrus Pringle
Pringle, Cyrus

* May 06, 1838 – May 25, 1911 †

United States

Identified Poaceae and collected Asteraceae

Townsend, Charles Henry Tyler

* December 05, 1863 – March 17, 1944 †

United States

Identified Euphorbiaceae and collected Asteraceae