Gérard Daniel Westendorp

{{Short description|Dutch-born Belgian military physician and botanist}}

Gérard Daniel Westendorp (8 March 1813, The Hague – 31 January 1869, Dendermonde) was a Dutch born, Belgian military physician and botanist.

He studied medicine at the Ecole de Médecine de Bruxelles, later working as a student-physician in Antwerp. Around 1834, he became a naturalized citizen of Belgium, subsequently serving as an assistant army and navy physician, later spending his career as a "regular doctor" in the Belgian army.[https://www.biodiversitylibrary.org/page/33066547#page/267/mode/1up Biodiversity Heritage Library] Taxonomic literature : a selective guide to botanical publications[http://www.cercle-myco-bruxelles.be/Publications/06/Mycologie%20belge.pdf Revue du Cercle de Mycologie de Bruxelles] {{Webarchive|url=https://web.archive.org/web/20131013011028/http://www.cercle-myco-bruxelles.be/Publications/06/Mycologie%20belge.pdf |date=2013-10-13 }} Quelques grandes figures

de la mycologie belge par André Fraiture

As a botanist, he specialized in cryptogamic flora, being the co-publisher (with A.C.F. Wallays) of a cryptogamic exsiccata series of Belgium. He also made significant contributions towards the "Prodromus Florae Batavae" project (1850-1866). In the field of zoology, he published a treatise on Bryozoa and sponges of Belgium.[http://plants.jstor.org/person/bm000068392?history=true JSTOR Global Plants] (biographical information)

Westendorp's botanical specimens are preserved in the Jardin Botanique National de Belgique.