Carl Gustav Alm

* May 10, 1888 – March 21, 1962 †

Sweden

Salicaceae

Collected Salicaceae and identified Brassicaceae

Thorsten Arwidsson

* March 11, 1904 – December 23, 1948 †

Sweden

Poaceae

Collected Poaceae and identified Ericaceae

Winsome Fanny Barker

* September 23, 1907 – December 27, 1994 †

South Africa

Asteraceae

Collected Asteraceae and identified Asparagaceae

Peter Albert Benum

* February 24, 1882 – September 03, 1959 †

Norway

Cyperaceae

Collected Cyperaceae and identified Cyperaceae

Loutfy Boulos

* May 14, 1932 – April 27, 2015 †

Egypt

Asteraceae

Collected Asteraceae and identified Asteraceae

Diane Bridson

United Kingdom

Collected Rubiaceae and identified Rubiaceae

Collected Asteraceae and identified Asteraceae

Brian Laurence Burtt

* August 27, 1913 – May 30, 2008 †

United Kingdom; United Kingdom of Great Britain and Ireland

Asteraceae

Collected Asteraceae and identified Gesneriaceae

Steven Dessein

Belgium

Collected Rubiaceae and identified Rubiaceae

Ludwig Diels

* September 24, 1874 – November 30, 1945 †

Germany

Myrtaceae

Collected Myrtaceae and identified Annonaceae

Reidar Elven

Norway

Poaceae

Collected Poaceae and identified Poaceae

Klas Robert Elias Fries
Klas Robert Elias Fries

* July 11, 1876 – January 29, 1966 †

Sweden

Asteraceae

Collected Asteraceae and identified Annonaceae

Ib Friis

Denmark

Fabaceae

Collected Fabaceae and identified Urticaceae

Knut Fægri
Knut Fægri

* July 17, 1909 – December 10, 2001 †

Norway

Cyperaceae

Collected Cyperaceae and identified Cyperaceae

David John Galloway
David John Galloway

* May 07, 1942 – December 06, 2014 †

New Zealand

Collected Parmeliaceae and identified Lobariaceae

Collected Cyperaceae and identified Rosaceae

Collected Rubiaceae and identified Fabaceae

Collected Cyperaceae and identified Cyperaceae

Collected Apocynaceae and identified Apocynaceae

Jürke Grau

* February 15, 1937 – December 25, 2022 †

Germany

Plumbaginaceae

Collected Plumbaginaceae and identified Ranunculaceae

Gustaf Emanuel Haglund

* September 11, 1900 – June 10, 1955 †

Sweden

Asteraceae

Collected Asteraceae and identified Asteraceae

Hermann Harms

* July 06, 1870 – November 27, 1942 †

German Empire; Weimar Republic; Nazi Germany

Fabaceae

Collected Fabaceae and identified Fabaceae

Karl Olov Hedberg

* October 19, 1923 – May 01, 2007 †

Sweden

Poaceae

Collected Poaceae and identified Asteraceae

Frank Nigel Hepper

* March 03, 1929 – May 16, 2013 †

United Kingdom

Solanaceae

Collected Solanaceae and identified Orobanchaceae

Olive Mary Hilliard

* July 04, 1925 – November 30, 2022 †

South Africa

Asteraceae

Collected Asteraceae and identified Scrophulariaceae

Norbert Holstein

United Kingdom

Fabaceae

Collected Fabaceae and identified Cucurbitaceae

Charles Edward Hubbard

* May 23, 1900 – May 08, 1980 †

United Kingdom; United Kingdom of Great Britain and Ireland

Poaceae

Collected Poaceae and identified Poaceae

Hans Martin Jahns

* June 03, 1941 – November 05, 2017 †

Collected Parmeliaceae and identified Cladoniaceae

Kurt Krause

* April 20, 1883 – November 19, 1963 †

Germany

Apocynaceae

Collected Apocynaceae and identified Rubiaceae

Georg Kükenthal

* March 30, 1864 – October 20, 1955 †

Germany

Cyperaceae

Collected Cyperaceae and identified Cyperaceae