Josef Franz Freyn
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Freyn studied engineering at the Technical University in Vienna and at the German Technical University in Prague . From 1868 he was an engineer with the Austrian Northwest Railway . He was involved in the construction of railway lines in eastern Hungary and Transylvania and most recently headed the substructure office in Budapest. From 1874 to 1878 he directed the construction of the railway line from Pula to Rovigno and settled in Opochno (where his father had been a forester). In 1881 he opened an engineering office in Prague. He was vice-president of the Chamber of Engineers in Bohemia.
As a botanist, he was particularly concerned with the flora of Hungary and southern Istria , with the genera Ranunculus and Hieracium and, most recently, with the flora of the Orient ( Turkestan , Central Asia ). He continued the work of Pierre Edmond Boissier and published in the magazine "Bulletin de l'Herbier Boissier". Its official botanical author abbreviation is " Freyn ".
The mushroom genus Freynella Kuntze is named after Freyn .
- Austrian Biographical Lexicon 1815–1950 (ÖBL). Volume 1, Verlag der Österreichischen Akademie der Wissenschaften, Vienna 1957, p. 360. In:
- Helmut Dolezal: New German Biography (NDB). Volume 5, Duncker & Humblot, Berlin 1961, ISBN 3-428-00186-9 , p. 424 ( ). In:
- Lotte Burkhardt: Directory of eponymous plant names . Extended Edition. Botanic Garden and Botanical Museum Berlin, Free University Berlin Berlin 2018. 
- Author entry and list of the plant names described for Josef Franz Freyn at the IPNI
|SURNAME||Freyn, Josef Franz|
|BRIEF DESCRIPTION||Bohemian-Austrian railway engineer and botanist|
|DATE OF BIRTH||December 7, 1845|
|PLACE OF BIRTH||Prague|
|DATE OF DEATH||January 16, 1903|
|Place of death||Prague|