Collected Cyperaceae and identified Cyperaceae

Petrak, Franz

* October 09, 1886 – October 09, 1973 †

Austria-Hungary; Austria

Collected Mycosphaerellaceae and identified Asteraceae

Rabeler, Richard

United States

Caryophyllaceae

Collected Caryophyllaceae and identified Caryophyllaceae

Reveal, James L.

* March 29, 1941 – January 09, 2015 †

United States

Polygonaceae

Collected Polygonaceae and identified Polygonaceae

Rydberg, Per Axel

* July 06, 1860 – July 25, 1931 †

Sweden

Asteraceae

Collected Asteraceae and identified Rosaceae

Thorne, Robert Folger

* July 13, 1920 – March 24, 2015 †

United States

Asteraceae

Collected Asteraceae and identified Cyperaceae

Turner, Billie Lee

* 1925 – May 27, 2020 †

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Weber, William Alfred

* November 16, 1918 – March 18, 2020 †

United States

Collected Parmeliaceae and identified Asteraceae