Small, John Kunkel

* January 31, 1869 – January 20, 1938 †

United States

Collected Asteraceae and identified Dicranaceae

Smith, Budd Elmon

* February 09, 1910 – August 05, 1976 †

Collected Asteraceae and identified Asteraceae

Soper, Joseph Dewey

* May 05, 1893 – November 02, 1982 †

Canada

Collected Cricetidae and identified Pandeidae

Standley, Paul Carpenter

* March 21, 1884 – June 02, 1963 †

United States

Collected Asteraceae and identified Rubiaceae

Steyermark, Julian Alfred

* January 27, 1909 – October 15, 1988 †

United States

Collected Poaceae and identified Rubiaceae

Carl Peter Thunberg
Thunberg, Carl Peter

* November 11, 1743 – August 08, 1828 †

Sweden

Collected Asteraceae and identified Meloidae

Totten, Henry Roland

* 1892 – February 09, 1974 †

Collected Rosaceae and identified Pinaceae

Trelease, William

* February 22, 1857 – January 01, 1945 †

United States

Collected Asparagaceae and identified Adoxaceae

Lucien Marcus Underwood
Underwood, Lucien Marcus

* October 26, 1853 – November 16, 1907 †

United States

Collected Pucciniaceae and identified Frullaniaceae

Wagner, Florence Signaigo

* February 18, 1919 – October 21, 2019 †

United States

Collected Lycopodiaceae and identified Dryopteridaceae

Williams, Louis Otho

* December 16, 1908 – January 07, 1991 †

United States

Collected Asteraceae and identified Orchidaceae

Truman G. Yuncker
Yuncker, Truman G.

* March 20, 1891 – January 08, 1964 †

United States

Collected Piperaceae and identified Piperaceae

Zenkert, Charles Anthony

* 1886 – 1972 †

Collected Asteraceae and identified Rosaceae