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• An identification key for Hungarian botanists portrayed in Album Kleinianum

  117-132

  Dániel Pifkó

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  133

  In the legacy of Sándor Jávorka deposited in the Hungarian Natural History Museum there is a 12-page typescript entitled “An identification key for Hungarian botanists portrayed in Album Kleinianum (Budapest, 25 September 1912)”. It provides accurate descriptions of 50 botanists in the form of an identification key, which was compiled by Zoltán Szabó, a well-known botanist at that time. The most important features of each person are presented in a humorous, basically ironic, funny and witty way. The Identification key was prepared for the session no. 178 of the Botanical Section of the Royal Hungarian Natural Science Society, where another botanist, Gyula Klein was congratulated on the 40^th anniversary of his teaching profession as well as the 20^th anniversary of his membership in the society. Almost all prominent botanists attended the meeting. This paper presents the Identification key, supplied with annotations and photographs.

• Rubus armeniacus Focke, an unnoticed invader in the Hungarian flora

  220-228

  Gergely Király

  Bohumil Trávnícek

  Vojtěch Žíla

  Views:

  115

  The authors report on the occurrence, distribution and invasion potential of Rubus armeniacus, a bramble species of Caucasian origin, in Hungary. The first verified records of the species are from the 1990s. It has established strong populations in ruderal habitats mainly around Budapest and some other cities, whereas its competiveness is rather weak in closed non-lowland forests rich in native bramble species. In terms of conservation, it constitutes a real threat to the vegetation of Pannonian sandy habitats. The results of this study also emphasize the importance of recognising "nonnative cryptic species" for ecology and conservation biology.