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Hermann Theodor Geyler

Hermann Theodor Geyler was a German botanist, specializing in paleobotany.

Life
Geyler was the son of Hermann Gustav and d’Adelgunde Schiller (née von Schillershausen). He studied botany at Leipzig and Jena and was awarded his doctorate in 1860. From 1864 to 1867, he worked in Basel, Switzerland with Swiss botanist Carl Eduard Cramer, a specialist of fossil woods. During this period, Geyler greatly expanded their collection of plants to include more than 4,000 varieties. == Works ==
Works
Geyler is notably the author of Über fossile Pflanzen aus Borneo (1875), one of the first works of scholarship on plant fossils of the tropics. Among the species he described is Onychiopsis elongata, a fossil fern of the family Dicksoniaceae, from the Jurassic period. ==References==
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