Has collected specimens later identified by:
Collected Asteraceae and identified Geraniaceae

Charles Baron Clarke
* June 17, 1832 – August 25, 1906 †
United Kingdom of Great Britain and Ireland

Collected Cyperaceae and identified Cyperaceae
Werner Greuter
Cuba; Italy; Greece

Collected Asteraceae and identified Asteraceae

Collected Poaceae and identified Rubiaceae
Collected Poaceae and identified Poaceae
Nicholas Turland
Germany; United States; United Kingdom

Collected Poaceae and identified Nepenthaceae
William Bertram Turrill
* June 14, 1890 – December 15, 1961 †
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Poaceae and identified Acanthaceae

Collected Asteraceae and identified Asteraceae