Collected Asteraceae and identified Geraniaceae

Graham Charles George Argent

May 15, 1941 – April 24, 2019

United Kingdom

Ericaceae

Collected Ericaceae and identified Ericaceae

Collected Apocynaceae and identified Apocynaceae

John Homer Beaman

June 20, 1929 – August 07, 2015

United States

Rubiaceae

Collected Rubiaceae and identified Rubiaceae

Collected Apocynaceae and identified Apocynaceae

Christian Bräuchler

Germany; Austria

Lamiaceae

Collected Lamiaceae and identified Lamiaceae

Francis Raymond Fosberg

May 20, 1908 – September 25, 1993

United States

Poaceae

Collected Poaceae and identified Rubiaceae

Collected Apocynaceae and identified Apocynaceae

Ralph James Hickey

1950 – September 27, 2020

Isoetaceae

Collected Isoetaceae and identified Pteridaceae

Olive Mary Hilliard

July 04, 1925 – November 30, 2022

South Africa

Asteraceae

Collected Asteraceae and identified Scrophulariaceae

Richard Eric Holttum

July 26, 1895 – September 18, 1990

United Kingdom

Thelypteridaceae

Collected Thelypteridaceae and identified Thelypteridaceae

Anthony Clive Jermy

1932 – July 25, 2014

United Kingdom

Thelypteridaceae

Collected Thelypteridaceae and identified Selaginellaceae

Collected Asparagaceae and identified Asparagaceae

Karl Ulrich Kramer

October 17, 1928 – July 11, 1994

Switzerland

Poaceae

Collected Poaceae and identified Lindsaeaceae

Collected Fabaceae and identified Fabaceae

Anthonius Josephus Maria Leeuwenberg

August 11, 1930 – 2010

Kingdom of the Netherlands

Apocynaceae

Collected Apocynaceae and identified Apocynaceae

Identified Orchidaceae

Collected Cyperaceae and identified Typhaceae

Mary Mendum

1945 – February 13, 2004

United Kingdom

Gesneriaceae

Collected Gesneriaceae and identified Gesneriaceae

Collected Moraceae and identified Apocynaceae

Collected Fabaceae and identified Anacardiaceae

Collected Zingiberaceae and identified Zingiberaceae

Anna Amelia Obermeyer
Anna Amelia Obermeyer

July 30, 1907 – October 10, 2001

British Empire; South Africa

Iridaceae

Collected Iridaceae and identified Iridaceae

Collected Fabaceae and identified Polygalaceae

Bo-Hagard Peterson

May 15, 1918 – July 29, 1990

Sweden

Fabaceae

Collected Fabaceae and identified Thymelaeaceae

Collected Poaceae and identified Poaceae

Axel Dalberg Poulsen

United Kingdom

Zingiberaceae

Collected Zingiberaceae and identified Zingiberaceae

Collected Thymelaeaceae and identified Thymelaeaceae

Rosemary Margaret Smith

1933 – 2004

United Kingdom

Solanaceae

Collected Solanaceae and identified Zingiberaceae

Collected Aizoaceae and identified Acanthaceae