Christian Gottfried Daniel Nees von Esenbeck     (1776 - 1858)




Image of Clathrus ruber from Christian Gottfried Daniel Nees von Esenbeck (1816 - 1817) Das System der Pilze und Schwämme
Clathrus ruber

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Biography
Sources
Selected publications
Species
Genera

Biography

1796 - 1799     studies medicine, natural history (under Batsch), and Philosophy at Jena

1800     earns M.D. degree, in Giessen; practices medicine in Frankfurt, and tutors in Kitzingen

1816     joins the Leopoldina Academy

1817     appointed professor of botany in Erlangen

1818     appointed professor of botany in Bonn; elected president of the Leopoldina Academy

1830     appointed professor of botany in Breslau

1852     fired, without pension, for political activities


Photo of Stereum ostrea by John Denk
Stereum ostreaThe Leopoldina Academy was (is?) the oldest school for natural history in Europe, founded in 1652. They also had a different attitude towards politics than the government did, as Nees was their president until the day he died.


Image of Stemonitis from Christian Gottfried Daniel Nees von Esenbeck & A. C. F. Henry (1837) Das System der Pilze: part one
Stemonitis For the significance of his illustrations, see the entry for James Bolton. I've used quite a few of them in this website, and I only wish that they looked as good as the originals. The originals are printed in black and white from an engraving, hand-colored with transparent watercolor, and then touched up with opaque colors, which gives them a certain 3-dimensional aspect which is unfortunately lost when they are scanned. He also has drawings of microscopic cross-sections and dissections of many of the small ascomycetes he examines - - the beginning of the standardization of microscopic features to identify fungi. Pictured here is his illustration of the development of the slime mold Stemonitis. His taxonomy was probably fun to write and contemplate (he has several big charts of taxa in circular arrangements, with lines going between them), but it is the close study of the individual fungi (as shown in the illustrations) that makes this a valuable work.
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Sources

Heinrich Dörfelt & Heike Heklau (1998) Die Geschichte der Mykologie
      (Die Geschichte der Mykologie)



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Selected Publications

Christian Gottfried Daniel Nees von Esenbeck (1816 - 1817) Das System der Pilze und Schwämme (The Taxonomy of Mushrooms and Toadstools)

Christian Gottfried Daniel Nees von Esenbeck (1827) Dissertations and pamphlets on natural history, botany, geology and zoology, 1698-1881: Fridericia et Zollernia, nova plantarum genera (Fridericia et Zollernia, new genera of plants)

Christian Gottfried Daniel Nees von Esenbeck & A. C. F. Henry (1837) Das System der Pilze: part one (The Taxonomy of Mushrooms)
A second edition of the original work

Christian Gottfried Daniel Nees von Esenbeck & A. C. F. Henry (1858) Das System der Pilze: part two


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Species

Clathrus ruber Nees von Esenbeck: Fries
Polysticta reticulatus Nees von Esenbeck: Fries
Stereum ostrea (Blume & Nees von Esenbeck: Fries) Fries

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Genera

Achlya Nees von Esenbeck
Dacrymyces Nees von Esenbeck: Fries
Elaphomyces Nees von Esenbeck: Fries
Micromphale Nees von Esenbeck: S. F. Gray
Resupinatus Nees von Esenbeck: S. F. Gray
Saprolegnia Nees von Esenbeck: Pringsheim

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