Arthur Hugh Garfit Alston
September 04, 1902 – March 17, 1958
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Polypodiaceae and identified Selaginellaceae
Collected Polyporaceae and identified Polyporaceae

Collected Rubiaceae and identified Rubiaceae

Collected Rubiaceae and identified Rubiaceae

Collected Moraceae and identified Moraceae

Collected Ricciaceae and identified Marchantiaceae
Volker Bittrich
Brazil

Collected Clusiaceae and identified Clusiaceae
Collected Araceae and identified Araceae

Collected Asteraceae and identified Poaceae
Collected Araceae and identified Araceae
Collected Rubiaceae and identified Rubiaceae
Gillian Brown
Australia

Collected Fabaceae and identified Ericaceae
Collected Aspleniaceae and identified Aspleniaceae
Brian Laurence Burtt
August 27, 1913 – May 30, 2008
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Asteraceae and identified Gesneriaceae

Collected Orchidaceae and identified Poaceae
Collected Pucciniaceae and identified Lachnaceae
Collected Lamiaceae and identified Lamiaceae

Collected Myrtaceae and identified Myrtaceae

Collected Pucciniaceae and identified Hymenochaetaceae

Collected Ranunculaceae and identified Phyllanthaceae

Collected Fabaceae and identified Fabaceae

Collected Asteraceae and identified Ranunculaceae
Collected Euphorbiaceae and identified Euphorbiaceae
Ib Friis
Denmark

Collected Fabaceae and identified Urticaceae

Collected Myrtaceae and identified Araliaceae

Collected Arecaceae and identified Arecaceae

Collected Orchidaceae and identified Melastomataceae

Collected Myrtaceae and identified Rutaceae
Collected Fabaceae and identified Opiliaceae

Collected Asteraceae and identified Scrophulariaceae