LeRoy Abrams
LeRoy Abrams

October 01, 1874 – August 15, 1956

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Herbert G. Baker

1920 – 2001

United States

Asteraceae

Collected Asteraceae and identified Caryophyllaceae

Sidney Fay Blake

August 31, 1892 – December 31, 1959

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

Pierre Dansereau
Pierre Dansereau

October 05, 1911 – September 28, 2011

Canada

Cyperaceae

Collected Cyperaceae and identified Asteraceae

Roxana Judkins Stinchfield Ferris
Roxana Judkins Stinchfield Ferris

April 13, 1895 – June 30, 1978

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

William Palmer Stockwell

1898 – 1950

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

William H. Witte

1873 – 1963

United States

Cyperaceae

Collected Cyperaceae and identified Marchantiaceae