Jakob Friedrich Ehrhart (4 November 1742,Holderbank, Aargau – 26 June 1795) was a Germanbotanist, a pupil ofCarl Linnaeus atUppsala University, and later director of theBotanical Garden ofHannover, where he produced several major botanical works between 1780 and 1793. Ehrhart was the firstauthor to use the rank ofsubspecies in botanical literature, and he published many subspecific names between 1780 and 1789.[1] Ehrhart issued severalexsiccatae, the first onePhytophylacium Ehrhartianum, continens plantas, quas in locis earum natalibus collegit et exsiccavit Fridericus Ehrhart (1780-1785).[2][3] He was one of the first who prepared exsiccatae for selling them to colleagues, namely the seriesArbores, frutices et suffrutices Linnaei quas in usum dendrophilorum collegit et exsiccavit Fr. Ehrhart andCalamariae, Gramina et Tripetaloideae Linnaei, quas in usum botanicophilorum collegit et exsiccavit Fr. Ehrhart.[4][5]
Supplementum systematis vegetabilium, generum et specierum plantarum, 1781.
Beiträge zur Naturkunde, und den damit verwandten Wissenschaften, besonders der Botanik, Chemie, Haus- und Landwirthschaft, Arzneigelahrtheit und Apothekerkunst, seven volumes (1787 to 1792) – Contributions tonatural history, etc.
