Sigfrid Oskar Immanuel Almquist
Almquist, Sigfrid Oskar Immanuel

* February 15, 1844 – October 18, 1923 †

Sweden

Identified Cyperaceae and collected Poaceae

Aimo Cajander
Cajander, Aimo

* April 04, 1879 – January 21, 1943 †

Finland

Identified Cyperaceae and collected Cyperaceae

Hagström, Johan Oskar

* 1860 – June 1922 †

Identified Potamogetonaceae and collected Potamogetonaceae

Torssander, Axel

* 1843 – 1905 †

Identified Potamogetonaceae and collected Potamogetonaceae