Dahlgren, Gertrud

* 1931 – 2009 †

Sweden

Identified Rosaceae and collected Ranunculaceae

Dahlgren, Bror Eric

* March 17, 1877 – December 16, 1961 †

Sweden; United States

Identified Arecaceae and collected Fabaceae

Peterson, Bo-Hagard

* May 15, 1918 – July 29, 1990 †

Identified Thymelaeaceae and collected Fabaceae