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  1. By: Conwentz, Hugo,
    Publication info: Cambridge [England], University Press, 1909
    Holding Institution: Harvard University Botany Libraries
  2. By: Göppert, H. R. (Johann Heinrich Robert), - Conwentz, Hugo, - Menge, Anton - Naturforschende Gesellschaft, Danzig
    Publication info: Danzig, Commissions-Verlag von W. Engelmann, 1883-1886
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  3. By: Dahl, Friedrich, - Conwentz, Hugo,
    Publication info: Berlin, Gebr. Borntraeger, 1912
    Holding Institution: Smithsonian Libraries and Archives