Jakob Friedrich Ehrhart (4 November 1742,

Holderbank, Aargau Holderbank is a Municipalities of Switzerland, municipality in the district of Lenzburg (district), Lenzburg in the Cantons of Switzerland, canton of Aargau in Switzerland. History Archeological discoveries indicate that the area around Holderb ...

– 26 June 1795) was a German

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

, a pupil of

Carl Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

Uppsala University Uppsala University (UU) () is a public university, public research university in Uppsala, Sweden. Founded in 1477, it is the List of universities in Sweden, oldest university in Sweden and the Nordic countries still in operation. Initially fou ...

, and later director of the

Botanical Garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens. is ...

Hannover Hanover ( ; ; ) is the capital and largest city of the States of Germany, German state of Lower Saxony. Its population of 535,932 (2021) makes it the List of cities in Germany by population, 13th-largest city in Germany as well as the fourth-l ...

, where he produced several major botanical works between 1780 and 1793. Ehrhart was the first

author In legal discourse, an author is the creator of an original work that has been published, whether that work exists in written, graphic, visual, or recorded form. The act of creating such a work is referred to as authorship. Therefore, a sculpt ...

to use the rank of

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

in botanical literature, and he published many subspecific names between 1780 and 1789. Ehrhart issued several exsiccatae, the first one ''Phytophylacium Ehrhartianum, continens plantas, quas in locis earum natalibus collegit et exsiccavit Fridericus Ehrhart'' (1780-1785).Triebel, D. & Scholz, P. 2001–2024 ''IndExs – Index of Exsiccatae''. Botanische Staatssammlung München: http://indexs.botanischestaatssammlung.de. – München, Germany. He was one of the first who prepared exsiccatae for selling them to colleagues, namely the series ''Arbores, frutices et suffrutices Linnaei quas in usum dendrophilorum collegit et exsiccavit Fr. Ehrhart'' and ''Calamariae, Gramina et Tripetaloideae Linnaei, quas in usum botanicophilorum collegit et exsiccavit Fr. Ehrhart''. In 1779,

Carl Peter Thunberg Carl Peter Thunberg, also known as Karl Peter von Thunberg, Carl Pehr Thunberg, or Carl Per Thunberg (11 November 1743 – 8 August 1828), was a Sweden, Swedish Natural history, naturalist and an Apostles of Linnaeus, "apostle" of Carl Linnaeus ...

(1743–1828) named a genus of

grasses Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in ...

, '' Ehrharta'', in Ehrhart's honor.

Publications

* ''Chloris hanoverana'', 1776. * ''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 to

natural history Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

, etc. * Autobiography in Usteri's Annals of Botany.List of publications copied from an article on Jakob Friedrich Ehrhart at

German Wikipedia The German Wikipedia () is the German-language edition of Wikipedia, a free and publicly editable online encyclopedia. Founded on 16 March 2001, it is the second-oldest Wikipedia edition (after the English Wikipedia). It has articles, ma ...

References

1742 births 1795 deaths People from Lenzburg District German bryologists German pteridologists Botanists with author abbreviations 18th-century German botanists German mycologists {{Mycologist-stub