Reidar Elven

Norway

Poaceae

Collected Poaceae and identified Poaceae

Henrik Viktor Rosendahl

December 12, 1855 – August 11, 1918

Sweden

Ophioglossaceae

Collected Ophioglossaceae and identified Equisetaceae

Jiří Soják

May 13, 1936 – October 17, 2012

Czech Republic

Rosaceae

Collected Rosaceae and identified Rosaceae