Jean-Henri-Guillaume Krombach, also known as Johann Heinrich Wilhelm Krombach (16 September 1791 in Moers – 23 February 1881 in Luxembourg City) was a German-Luxembourgish pharmacist and botanist.
Career He initially worked as an assistant pharmacist in a number of German cities (Soest, Mainz and Aachen), then in 1815 relocated as a pharmacist to Diekirch, Luxembourg.BHL Taxonomic literature : a selective guide to botanical publications From 1850 he served as a pharmacist in the nearby town of Ettelbruck.1939.1 - Société des Sciences Médicales
Beginning in 1830 he taught classes in natural sciences at schools in Diekirch and Ettelbruck. He was chosen to lead the Société de botanique du Grand-Duché de Luxembourg in 1871.La Société des Naturalistes Luxembourgeois
Achievements In 1875, he published "Flore du grand-duché de Luxembourg. Plantes phanérogames" (Flora of the Grand Duchy of Luxembourg; phanerogams).Flore du grand-duché de Luxembourg OCLC WorldCat He is the taxonomic authority of the subtribe Olyrinae (family Poaceae).Olyrinae Kromb. GBIF
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