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Robert Stephen Adamson
* March 02, 1885 – November 06, 1965 †
United Kingdom; Union of South Africa; United Kingdom of Great Britain and Ireland

Collected Poaceae and identified Juncaceae
Collected Cladoniaceae and identified Cladoniaceae
Collected Brassicaceae and identified Brassicaceae

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

Collected Asteraceae and identified Gesneriaceae
Collected Asteraceae and identified Boraginaceae
Robert Harold Compton
* August 06, 1886 – July 11, 1979 †
United Kingdom; South Africa; United Kingdom of Great Britain and Ireland

Collected Asteraceae and identified Ericaceae

Collected Fabaceae and identified Fabaceae

Collected Iridaceae and identified Iridaceae

Collected Asteraceae and identified Asteraceae
Arve Elvebakk
Norway

Collected Parmeliaceae and identified Pannariaceae
Collected Thelypteridaceae and identified Lycopodiaceae
Collected Poaceae and identified Poaceae

Collected Physciaceae and identified Physciaceae

Collected Asteraceae and identified Scrophulariaceae

Collected Iridaceae and identified Aizoaceae
Cornelia Klak
South Africa

Collected Aizoaceae and identified Aizoaceae
Niels Klazenga
Australia

Collected Dicranaceae and identified Dicranaceae

Collected Parmeliaceae and identified Parmeliaceae

Ivan Mackenzie Lamb
* September 11, 1911 – January 27, 1990 †
United Kingdom; United States of America; United Kingdom of Great Britain and Ireland

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

Collected Asteraceae and identified Amaryllidaceae

Collected Ericaceae and identified Polygalaceae
Collected Aizoaceae and identified Apocynaceae
Collected Boletaceae and identified Physaraceae
Collected Restionaceae and identified Restionaceae

Collected Iridaceae and identified Iridaceae

Collected Aizoaceae and identified Aizoaceae
Collected Fabaceae and identified Polygalaceae
Collected Poaceae and identified Poaceae