Barkley, Fred Alexander

* November 04, 1908 – June 24, 1989 †

United States

Asteraceae

Collected Asteraceae and identified Anacardiaceae

Hatschbach, Gerdt Guenther

* August 22, 1923 – April 16, 2013 †

Brazil

Fabaceae

Collected Fabaceae and identified Fabaceae

Moldenke, Alma Lance

* April 29, 1908 – March 08, 1997 †

United States

Asteraceae

Collected Asteraceae and identified Apidae