Plant Exchange in the 19^th Century

• NEW! A first short paper with an overview of the results of the project is available online: C. N. Schröder (2023[2024]): Plant Exchange Networks in the 19th Century – 200 Years of Citizen Science. — Bauhinia 29: 41–51. DOI: 10.12685/bauhinia.1349.
  
  
• Plant Exchange Organizations (PEO)
• List of all PEOs [page currently in German only].
• Stamps of PEOs.


• The history of Saxifraga sponhemica C.C.Gmelin [page currently in German only]


• Wilhelm Christoph Bochkoltz (1819–1877) [page currently in German only]


• Poster (PDF 1.4 MByte) «Plant Exchange Networks in the 19^th Century: 200 Years of Citizen Science» presented at Bauhin 2022-Conference «400 Years of Botanical Collections – Implications for Present-Day Research», Basel (Switzerland), September 15/16^th 2022.

Background image: Snippet from a specimen of Alyssum montanum L. var. arenarium W.D.J.Koch ≡ Alyssum arenarium C.C.Gmel. nom. illeg.: «Sandfelder b. Mainz, Ingelheim u. Gaualgesheim in gr. Menge», 12.–15. V. 1860, leg. Dr. Ph. Wirtgen (Herb. NHV s.n.). Photo: CNS 2018-01-29 / © Herbarium NHV Bonn, with kind permission.