Nikolaus Ager (1568 - 1634) was a French botanist born in Alsace, best known for his treatise De Anima Vegetiva (1629). This article is about the country For a topic outline on this subject see List of basic France topics. Botany, plant science(s, phytology, or plant biology is a branch of Biology and is the scientific study of plant Life Alsace (Alsace alzas Alsatian and Elsass pre-1996 German: Elsaß; Alsatia is one of the 26 Regions of France, located on the eastern