Notatki florystyczne z Doliny Sanu

The paper presents the result of studies on the flora of San River valley (Sandomierz Basin, south-eastern Poland). The studies were carried out in 2001 and 2002 in selected sites on the river valley between Stalowa Wola and the mouth of the river (Fig. 1). During floristical studies the occurrence of 114 interesting, protected or rare in Poland or regionally rare species of the vascular plants were recorded. The most interesting plant species are: Petrorhagia prolifera, Nasturtium officinale, Erysimum diffusum, Drosera intermedia, Se- dum reflexum, Spiraea salicifolia, Malva moschata, Cuscuta lupuliformis, Cerinthe minor, Petasites spurius, Leontodon taraxacoides, Eragrostis pilosa, Leersia oryzoides, Scirpoides ho- loschoenus, Cyperus flavescens, and Rhynchospora fiisca. The species mentioned for the First time for the Sandomierz Basin are: Scirpoides holoscho- enus and Leontodon taraxacoides. During the field investigation the cartogram method was employed and the 1 km square grid was used (Fig.l) (Zając 1978).


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