William Marriott Canby
Canby, William Marriott

* 1831 – 1904 †

United States

Collected Cyperaceae and identified Cyperaceae

George Edward Davenport
Davenport, George Edward

* 1833 – 1907 †

United States

Collected Pteridaceae

John Muir
Muir, John

* June 18, 1874 – August 03, 1947 †

United Kingdom

Collected Asteraceae and identified Aizoaceae

Charles Sprague Sargent
Sargent, Charles Sprague

* April 24, 1841 – March 22, 1927 †

United States

Collected Rosaceae and identified Rosaceae