Ewan, Ada Nesta Dunn

* November 08, 1908 – September 13, 2000 †

United States; Canada

Asteraceae

Collected Asteraceae and identified Plantaginaceae

Fosberg, Francis Raymond

* May 20, 1908 – September 25, 1993 †

United States

Poaceae

Collected Poaceae and identified Rubiaceae

MacFadden, Fay A.

* February 21, 1888 – April 05, 1964 †

United States

Brachytheciaceae

Collected Brachytheciaceae and identified Orthotrichaceae

Smith, Stanley Jay

* 1915 – 1978 †

Sphagnaceae

Collected Sphagnaceae and identified Melanthiaceae