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Karl Hermann Zahn (3 December 1865, Baiertal – 8 February 1940, Haigerloch) was a German botanist who was a leading authority regarding the genus ''Hieracium'' (hawkweed). He received his education in Karlsruhe (1884–85), and beginning in 1891, worked as a high school teacher in Heidelberg. He later taught high school classes in Freiburg im Breisgau and in Donaueschingen. In 1923 he was appointed professor of geometry, chemistry and material technology at Karlsruhe University of Applied Sciences.〔(BHL ) Taxonomic literature : a selective guide to botanical publications〕 == Published works == * ''Die Hieracien der Schweiz'', 1906 – Hieracium of Switzerland. * ''Les Hieracium des Alpes maritimes'', 1916 – Hieracium of the Maritime Alps. * "Compositae-Hieracium", (published in 12 editions from 1921 to 1957).〔(OCLC Classify ) publications〕 Zahn made valuable contributions involving ''Hieracium'' towards Adolf Engler's "''Das Pflanzenreich''",〔(Google Books ) Compositae-Hieracium, Parts 75-77; Part 79; Part 82〕 as well as to Ascherson and Graebner's "''Synopsis der mitteleuropäischen Flora''".〔(Google Books ) Synopsis der mitteleuropäischen Flora〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Karl Hermann Zahn」の詳細全文を読む スポンサード リンク
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