Korthals was the official botanist with the Dutch East India Service from 1831 to 1836 .
Pieter Willem Korthals ( September 1 , 1807 , Amsterdam -- March 1892 , Haarlem ) was a Dutch botanist .
botanist was the official botanist with the Dutch East India Service from 1831 to 1836 .
Pieter Willem Korthals ( September 1 , 1807 , Amsterdam -- March 1892 , Haarlem ) was a Dutch botanist .