Selim Birger
Selim Birger

February 18, 1879 – May 22, 1931

Sweden

Asteraceae

Collected Asteraceae and identified Asteraceae

Henrik Hesselman
Henrik Hesselman

January 28, 1874 – July 11, 1943

Sweden

Erysiphaceae

Collected Erysiphaceae and identified Erysiphaceae

Jens Holmboe
Jens Holmboe

May 05, 1880 – September 25, 1943

Norway

Cyperaceae

Collected Cyperaceae and identified Cyperaceae