Collected Apocynaceae and identified Apocynaceae

Collected Fabaceae and identified Acanthaceae
Collected Araceae and identified Araceae
Brian Laurence Burtt
* August 27, 1913 – May 30, 2008 †
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Asteraceae and identified Gesneriaceae

Collected Poaceae and identified Ranunculaceae

Collected Asteraceae and identified Amaryllidaceae
Collected Cyperaceae and identified Rosaceae
Collected Asteraceae and identified Asteraceae

Collected Asteraceae and identified Scrophulariaceae
Norbert Holstein
United Kingdom

Collected Fabaceae and identified Cucurbitaceae
Cornelia Klak
South Africa

Collected Aizoaceae and identified Aizoaceae
Collected Asparagaceae and identified Asparagaceae
Collected Solanaceae and identified Solanaceae

Collected Euphorbiaceae and identified Apocynaceae

Collected Apocynaceae and identified Apocynaceae
Frances Margaret Leighton
* March 08, 1909 – January 08, 2006 †
Union of South Africa; South Africa; Australia

Collected Asteraceae and identified Amaryllidaceae

Collected Fabaceae and identified Asteraceae
Collected Iridaceae and identified Iridaceae

Collected Fabaceae and identified Thymelaeaceae
Identified Capparaceae

Collected Asteraceae and identified Asteraceae

Collected Orchidaceae and identified Orchidaceae
Bernard Verdcourt
* January 20, 1925 – October 25, 2011 †
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Rubiaceae

Collected Asteraceae and identified Malvaceae

Collected Poaceae and identified Malvaceae