David Nathaniel Friedrich Dietrich (3 October 1800 – 23 December 1888) was German botanist and gardener.
Dietrich's birth year is listed as 1799 and 1800. He was born in Ziegenhain.[1] In 1828 Dietrich worked as a botanical gardener in Jena. In 1836 he received his doctorate at the University of Jena, and later served as a curator at the botanical garden in Jena.
He was the nephew of the botanist Friedrich Gottlieb Dietrich (1765-1850).
Dietrich wrote pamphlets on poisonous plants, mosses, and forest flora and fauna of Germany as well as several botanical encyclopedias. His five-volume, 1839-1852 Synopsis Plantarum included about 80,000 species and 524 genera. The five-volume Flora of Germany published from 1833 to 1864 contains 1150 colored panels. The two-volume Forst Flora and the 476 booklets of the comprehensive Flora Universalis are his most famous work.[1][2]