Zprávy Èes. Bot. Spoleè., Praha, 44: 185–319, 2009 185 AdditamentaadfloramReipublicaeBohemicae.VIII. AdditionstothefloraoftheCzechRepublic.VIII. JiøíHadinec 1) &PavelLustyk 2) [eds] 1)HerbáøovésbírkyUniverzityKarlovy,Benátská2,CZ-12801Praha2; e-mail:
[email protected] 2) MoravskýLaènov287,CZ-56802Svitavy;e-mail:
[email protected] Abstract This eighth part of floristic contributions includes newly published data of critically endangered species and data unpublished so far. Data of alien species found in the Czech Republic for the first time (Acanthus hungaricus, Allium cristophii, A. stipitatum, A. roseum, Amelanchier lamarckii, A. spicata, Amsinckia ly- copsoides, Campanula lactiflora, Dittrichia graveolens, Euphorbia agraria, Ferulago confusa, Gilia achilleifolia, Hordeum brevisubulatum, Legousia pentagonia, Malus fusca, and Stachys setifera) are sum- marised. The species Carex derelicta, Rubus silvae-norticae, Sorbus albensis, S. milensis, and S. por- tae-bohemicae, described from the Czech Republic as new to science in 2008 and 2009, are also listed below. Furthermore, critically endangered species (according to the Black and Red List of Vascular Plants of the Czech Republic) are reported from new sites (e.g. Aira caryophyllea, Asplenium adiantum-nigrum, Botrychium matricariifolium, Carex alba, C. dioica, Centaurea stenolepis, Eleocharis quinqueflora, Epi- pogium aphyllum, Gentianella amarella subsp. amarella, Geranium divaricatum, Gymnadenia densiflora, Hackelia deflexa, Ophrys apifera, Orobanche picridis, O. purpurea subsp. bohemica, Polycnemum arven- se, Pyrola media, Thalictrum simplex subsp. galioides, and Thesium ebracteatum). Finally, less rare and threatenedspeciesarementionedfromareaswheretheyhadnotbeenrecordedyet. Keywords:floristics,newfinds,theCzechRepublic Nomenklatura:Moravecetal.(1995),Kubátetal.(2002),Kuèera&Váòa(2005),Chytrý(2007) Úvod Pøed osmi roky vzniklá Additamenta se setkala záhy po svém zrodu s velmi pøíznivým pøijetím našich floristù i botanických profesionálù a postupnì se stala jejich vyuívaným publikaèním fórem.