Johan Lange

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Johan Lange
Lange Johan.jpg
Born (1818-03-20)20 March 1818
Ødstedgård near Vejle, Denmark
Died 3 April 1898(1898-04-03) (aged 80)
Nationality Danish
Fields botany
Institutions University of Copenhagen
Alma mater University of Copenhagen
Known for Flora Danica, Prodromus Florae Hispanicae and four editions a Flora of Denmark

Johan Martin Christian Lange (3 April 1818 – 20 March 1898) was a prominent Danish botanist.[1]

He held the post of Librarian at the Botanical library of the University of Copenhagen from 1851 to 1858. He was Director of the Botanical Garden there from 1856 to 1876, the Reader of botany at the Danish Technical University from 1857 to 1862, and Reader of Botany at the Royal Veterinary and Agricultural University from 1858 to 1893, achieving full professor standing in 1892. He began editing the Flora Danica in 1858, and was its last editor. Together with Japetus Steenstrup, Johan Lange was the publisher of Flora Danica fasc. 44 (1858). Thereafter, he edited alone fasc. 45-51 (1861–83) and Supplement vols 2-3 (1865–74), in total 600 plates. After having finished the publication of Flora Danica, he issued Nomenclator Floræ Danicæ in 1887 - a volume indexing all planches in Flora Danica alphabetically, systematically and chronologically.

He travelled throughout Europe, completing extensive studies on the flora of Denmark, Greenland and other European countries, especially Spain. (Willkomm & Lange, Prodromus Florae Hispanicae, 1861–80).

He expanded on the classification developed by Linnaeus, writing Plantenavne og navngivningsregler (Plant-names and rules for name-giving) which was influential in developing the Code of Botanical Nomenclature, the system in use today.

Charles Darwin borrowed a book written by Lange, which he failed to return in a timely manner as mentioned by Darwin in his correspondence. [1]

Partial List of Publications[edit]


  1. ^ Christensen, C. (1924-1926) Den danske Botaniks Historie med tilhørende Bibliografi. - Copenhagen, H. Hagerups Forlag.
  2. ^ IPNI.  Lange.