Charles Fuller Baker
Charles Fuller Baker

March 22, 1872 – July 22, 1927

United States

Asteraceae

Collected Asteraceae and identified Pucciniaceae

William Marriott Canby
William Marriott Canby

1831 – 1904

United States

Cyperaceae

Collected Cyperaceae and identified Cyperaceae

Amos Arthur Heller

March 21, 1867 – May 18, 1944

United States

Fabaceae

Collected Fabaceae and identified Fabaceae

Louis Hermann Pammel
Louis Hermann Pammel

January 12, 1862 – April 10, 1931

United States

Poaceae

Collected Poaceae and identified Pucciniaceae