Reference:Dvoak1973a
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Verbatim text: Dvoák, F. 1973. Infrageneric classification of Hesperis. Feddes Repert. 84: 259–272.
Author: Dvoák, F.
Year: 1973
Title: Infrageneric classification of Hesperis
Journal: Feddes Repert
Volume: 84
Pages: 259–272