Has collected specimens later identified by:
Rupert Charles Barneby
* October 06, 1911 – December 05, 2000 †
United Kingdom; United States of America; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Fabaceae

Collected Melastomataceae and identified Melastomataceae
Identified Asteraceae
Collected Oxalidaceae and identified Oxalidaceae
Friedrich Markgraf
* February 01, 1897 – March 08, 1987 †
German Empire; Weimar Republic; Nazi Germany; Germany

Collected Melastomataceae and identified Apocynaceae
Collected Melastomataceae and identified Melastomataceae
Collected Malpighiaceae and identified Malpighiaceae