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• Lactuca tatarica (Asteraceae), a new species for the Hungarian alien flora

  170-178

  Márton Korda

  Éva Kergyik

  Anna Tóth

  Ágnes Csiszár

  Views:

  150

  The first occurrence of blue lettuce (Lactuca tatarica (L.) C.A. Mey.) is reported from Hun­ga­ry. Information on its taxonomy, morphology, distribution, habitat preference and nature conservation aspects is presented. The European local spread of this Eurasian and North American species started at the end of the 1800s. The first localities were reported from the shores of the Baltic and North Sea. Its alien occurrences in inland European regions have been noticed since the 1920s. As L. tatarica have pre­viously been known from the neighbouring territories of Slovakia and Austria, its appearance in Hun­gary is not at all unexpected. However, the species was found (August 2018) in the southern part of Csongrád county, i.e. far away from the above-mentioned countries. Due to the species’ habitat preference (ruderal ground), ecological requirements and successful vegetative propagation, which correspond to foreign observations, its future spread is highly probable.

• Contributions to the subspontaneous occurrences of Malva moschata (Malvaceae) in Hungary

  200–202

  Lajos Somlyay

  Views:

  178

  Malva moschata is an alien species in Hungary, seldom cultivated as garden ornamental plant. Although considered as occasional escapee from cultivation, Hungarian literature has only cited Budapest as an example of such cases thus far. During a revision of the Malva collection in BP herbarium, several specimens were traced (mostly erroneously labelled as Malva alcea) which demonstrate subspontaneous occurrences of the species, primarily from the Transdanubian region (Hungary). The vouchers are hereby listed, arranged in alphabetical order of localities (settlements). Literary connections, if relevant, are briefly discussed.

• Aphanes arvensis L. in the Crisicum (E Hungary) and further data on the flora of Hungary

  253-256

  Gergely Gulyás

  Gábor Magos

  Attila Molnár

  Dénes Horváth

  Views:

  125

  New localities of 4 rare taxa are presented from Eastern Hungary. The species are new for the flora of particular floristical regions, specifically: „Eupannonicum”: Polystichum braunii; „Crisicum”: Aphanes arvensis; „Samicum” and „Nyírségense”: Agrimonia procera. Three new localities of the alien species Montia linearis in Hungary are presented. This species is still very rare in Europe, reported only from Poland, Denmark and Hungary.