Barkley, Fred Alexander

* November 04, 1908 – June 24, 1989 †

United States

Asteraceae

Collected Asteraceae and identified Anacardiaceae

Butler, Ellys Theodora

* November 07, 1906 – March 23, 2001 †

Hypericaceae

Collected Hypericaceae and identified Patellariaceae

Chase, Virginius Heber

* January 06, 1876 – February 28, 1966 †

United States

Poaceae

Collected Poaceae and identified Asteraceae

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

Steele, Edward Strieby

* 1850 – 1942 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae