Author:Wilhelm Daniel Joseph Koch

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Wilhelm Daniel Joseph Koch
German physician and botanist.
Wilhelm Daniel Joseph Koch


  • Synopsis florae germanicae et helveticae (1835-37) [German and Swiss flora]
  • Catalogus plantarum florae palatinae (1814) [Catalog of Palatinate Flora]

Works by this author published before January 1, 1926 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.