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  Flora Europaea: Plantaginaceae to Compositae (and Rubiaceae) - Google Books

  https://books.google.de/books?id=QXRooltqAVMC

  Originally published between 1964 and 1980, this fourth volume is a revision of the seventh edition of Willis, with substantial amendments and additions. One distinct feature is an alphabetical list of accepted family names in this dictionary with their…

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  Flora Europaea: Rosaceae to Umbelliferae - Google Books

  https://books.google.de/books?id=7-b0l5BKyWUC

  The Flora Europaea, originally published between 1964 and 1980, explores the synthesis of all the national and regional Floras of Europe. It is based on a critical review of existing literature and on studies on herbaria and in the field. It aims to be…

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