Collecting localities



Biographical data


Doop, Johannes Elizius Alphonsus den


(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)

(Source: Flora Malesiana ser. 1, 5: Cyclopaedia of collectors, Supplement I)


Born: 1889, ‘s Hertogenbosch, N.Br., Holland. Died: 1954, Nijmegen, G., Holland.



A schoolteacher and amateur malacologist. For some years educated in biology at Amsterdam; he did not finish his study. After his years of study, for some time teacher at Schiedam. In 1916 appointed Entomologist of the Deli Experiment Station, Medan (Sumatra). Later temporary Zoologist at the Institute for Plant Diseases, Buitenzorg, 1921-23, 1924-25; subsequently Adviser of the Anglo-Dutch Plantation of Java Ltd, at Tjikamoening Estate. In 1940 he left for Australia and subsequently for the U.S., staying in numerous places in North and South America, but nowhere for a longer period. When his health broke down, he returned to Holland and settled at Grave some years before his death.

Author of some papers, which have no relation to the flora.1


Collecting localities:

He collected some plants in W. Java. e.g. at Kadipaten in 1928.



Herb. Bog. [BO]: few numbers, principally Leguminosae (pres. 1928 and 1937).



(1) ‘Over de geomorphologie van den Kloet’ (Nat. Tijdschr. N.I. 79, 1919, p. 172-179); ‘Deli en Karovlakte als Lahar produkt’ (l.c. 82, 1922, p. 208-214).


biographical data:

Bijdr. Dierk. 27, 1939, p. 188; F.C. van Heurn: ‘Jan den Doop (1889-1954). Een vooraanstaand bioloog’ (Bussum 1955, privately printed).