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• New occurrence of Caldesia parnassifolia (L.) Parl. in Hungary

  50-55

  Attila Mesterházy

  Views:

  100

  Caldesia parnassifolia is a critically endangered and strictly protected species in Hungary. It was known only from one locality of occurrence so far, where it was last reported in 2003. Its new occurrence was discovered in Somogy county, in 2010. It appeared in an artificial pond created in the place of an originally swampy depression. Based on this newly discovered occurrence we can assume that other potential populations might still exist in South-Transdanubium, which could be rediscovered if similar conservation measures occur.

• Data to the flora and vegetation of Hungary I.

  89-104

  Zoltán Bátori

  László Erdős

  Csaba Tölgyesi

  Eszter Aradi

  Views:

  95

  The present study reports the occurrence data of 54 vascular plant taxa, collected at various localities in Hungary during floristic, vegetation and ecological field surveys between 2000 and 2013. In some cases, phytosociological relevés were prepared to characterize the local coenological properties of the species. Many of these species are included in the „Red list of the vascular flora of Hungary” (e.g. Carthamus lanatus, Sedum caespitosum, Spiranthes spiralis and Trifolium micranthum). Some of them (e.g. Apium repens, Dianthus diutinus, Epipactis bugacensis and Ranunculus psilostachys) are rarities in the whole country. Our findings suggest that conservationists should focus not only on the maintenance of semi-natural habitats but also on the investigation of secondary habitats (e.g. river embankments, temporary pools on arable fields) in order to maintain the total species diversity of the landscape.

• Current research results and overview of historic data of Cirsium brachycephalum Jur. in Tolna county, SW-Hungary

  75-79

  István Zsolt Tóth

  Borbála Dévényi

  Views:

  98

  The distribution of the thistle species Cirsium brachycephalum in Tolna county was studied as a part of the Hungarian National Biodiversity Monitoring System. Occurrence data of this endemic species of community importance having been listed as protected since 1993 were scarcely available for Tolna county. In addition to our most recent survey, this paper also provides an analysis of former literature data, and calls the attention that there is a possibility for revealing further valuable botanical information in the less surveyed areas of Tolna county.