Joseph Edison Adams

* 1904 – June 07, 1981 †

Camaenidae

Collected Camaenidae and identified Cornaceae

Harry E. Ahles

* October 28, 1924 – March 21, 1981 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Collected Brassicaceae and identified Brassicaceae

Collected Plantaginaceae and identified Plantaginaceae

Loran Crittenden Anderson

* February 07, 1936 – December 24, 2022 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Collected Poaceae and identified Poaceae

Rupert Charles Barneby

* October 06, 1911 – December 05, 2000 †

United Kingdom; United States of America; United Kingdom of Great Britain and Ireland

Fabaceae

Collected Fabaceae and identified Fabaceae

Graziela Barroso

* April 11, 1912 – May 05, 2003 †

Brazil

Fabaceae

Collected Fabaceae and identified Asteraceae

Clyde Ritchie Bell

* 1921 – 2013 †

Apiaceae

Collected Apiaceae and identified Apocynaceae

Elizabeth Henry Bellmer

* September 30, 1927 – April 08, 2008 †

United States

Identified Polygonaceae

Sidney Fay Blake

* August 31, 1892 – December 31, 1959 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Hugo Leander Blomquist

* June 05, 1888 – November 28, 1964 †

United States

Sphagnaceae

Collected Sphagnaceae and identified Sphagnaceae

David Boufford

United States

Dryopteridaceae

Collected Dryopteridaceae and identified Onagraceae

Collected Cyperaceae and identified Cyperaceae

William Chambers Coker

* October 24, 1872 – June 27, 1953 †

United States

Boletaceae

Collected Boletaceae and identified Clavariaceae

Lincoln Constance

* February 16, 1909 – June 11, 2001 †

United States

Hydrophyllaceae

Collected Hydrophyllaceae and identified Apiaceae

Mireya D. Correa
Mireya D. Correa

* February 06, 1940 – November 22, 2022 †

Panama

Rubiaceae

Collected Rubiaceae and identified Droseraceae

Donovan Stewart Correll

* April 13, 1908 – March 28, 1983 †

United States

Asteraceae

Collected Asteraceae and identified Orchidaceae

Arthur Cronquist
Arthur Cronquist

* March 19, 1919 – March 22, 1992 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Rebecca D. Bray

* 1974 – January 21, 2018 †

United States

Asteraceae

Collected Asteraceae and identified Isoetaceae

Yves Desmarais

* 1918 – April 27, 2013 †

Canada

Potamogetonaceae

Collected Potamogetonaceae and identified Asteraceae

Werner Dietrich

* 1938 – February 01, 2011 †

Asteraceae

Collected Asteraceae and identified Onagraceae

Elinor Lehto

* September 23, 1915 – February 22, 2009 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Mary M. Flaventia Federowicz

* September 05, 1908 – March 20, 1998 †

United States

Identified Cyperaceae

Collected Cyperaceae and identified Apiaceae

Mark Fishbein
Mark Fishbein

United States

Apocynaceae

Collected Apocynaceae and identified Apocynaceae

Ryan Folk

United States

Asteraceae

Collected Asteraceae and identified Saxifragaceae

Collected Asteraceae and identified Styracaceae

Paul Fryxell

* February 02, 1927 – July 11, 2011 †

United States

Malvaceae

Collected Malvaceae and identified Malvaceae

Almut Gitter Jones

* September 08, 1923 – October 12, 2013 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae