G.A.F. Molengraaff; Gustaaf Molengraaff
February 27, 1860 – March 26, 1942
geologist, explorer, university teacher, photographer
Dutch scientist (1860–1942)
http://www.wikidata.org/entity/Q1255637
https://en.wikipedia.org/wiki/Gustaaf_Adolf_Frederik_Molengraaff [View]
Kingdom of the Netherlands
Australia
Collected Dicranaceae and identified Dicranaceae