K. Christopher Beard

United States

Harry Kendon Clench

August 12, 1925 – April 01, 1979

United States

Nymphalidae

Collected Nymphalidae and identified Lycaenidae

Mary Anne Heimerdinger Clench

January 18, 1932 – June 27, 2011

United States

Passeridae

Collected Passeridae and identified Carabidae

Mary R. Dawson
Mary R. Dawson

February 27, 1931 – November 29, 2020

United States

Ptilodontidae

Collected Ptilodontidae and identified Plagiomenidae

Earl Douglass
Earl Douglass

October 18, 1862 – January 13, 1931

United States

Merycoidodontidae

Collected Merycoidodontidae and identified Aspleniaceae

Carl H. Eigenmann
Carl H. Eigenmann

March 09, 1863 – April 24, 1927

German Reich; United States

Characidae

Collected Characidae and identified Characidae

E. R. Eller

1904 – 1976

United States

Richard Middleton Fox

April 15, 1911 – April 25, 1968

United States

Daniel F. Hughes

United States

Chamaeleonidae

Collected Chamaeleonidae and identified Chamaeleonidae

Grace Emma Kinzer Jennings
Grace Emma Kinzer Jennings

May 24, 1882 – December 21, 1957

United States

Asteraceae

Collected Asteraceae and identified Polyporaceae

Andrew L. Mack

Indonesia; Papua New Guinea

Juan José Parodiz

December 21, 1911 – September 04, 2007

Argentina

Unionidae

Collected Unionidae and identified Odontostomidae

Percy Edward Raymond

May 30, 1879 – May 17, 1952

United States

Innokenty Tolmachoff
Innokenty Tolmachoff

April 13, 1872 – January 17, 1950

Russian Empire; Russian Republic; United States of America

Frederick H. Utech

April 19, 1943 – February 09, 2021

United States

Asteraceae

Collected Asteraceae and identified Liliaceae

Robert D. Ward

July 30, 1940 – September 24, 2022

United States

Sarah C. Williams

United States

Asteraceae

Collected Asteraceae and identified Zygophyllaceae

Jacob Lawson Wortman

August 25, 1856 – June 25, 1926

United States

Hyopsodontidae

Collected Hyopsodontidae and identified Hyaenodontidae