Has identified specimens collected by:
Identified Ranunculaceae and collected Poaceae
Identified Ectobiidae and collected Tenthredinidae
Identified Poaceae and collected Poaceae

Identified Poaceae and collected Poaceae

Identified Cyperaceae and collected Cyperaceae
Identified Peltigeraceae and collected Peltigeraceae

von Regel, Constantin Andreas
* August 10, 1890 – May 22, 1970 †
Lithuania; Russian Empire; Soviet Union
Identified Poaceae and collected Poaceae
Identified Asteraceae and collected Asteraceae
Collected Potamogetonaceae
Identified Poaceae and collected Poaceae