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55th Meeting of the Polish Botanical Society, Warsaw 2010 PHENOTYPIC dIVErSITY OF THE PolyGonum SPE- CIES IN SUWALSZCZYZNA ArEA Matusiewicz Marta1 , Kubicka Helena1 , Skrajna Teresa2 , Wałejko Agnieszka1 . 1Higher State Vocational School in Suwalki, Institute of Nature and Technology, 10 Noniewicza St., 16-400 Suwalki, Poland, martam13@op.pl; 2University of Podlasie, Department of Agricultural Ecology, 14 Prusa St., 08-110 Siedlce, Poland; In this paper three species from the genus Polygonum: Polygonum persicaria, Polygonum lapathiofolium subsp. lapathifolium and Polygonum lapathifolium subsp. pallidum, growing on cereal crop fields of Wigierski National Park and its borders have been examined. Species frequency was analyzed together with the following features: height, stem length up to first offshoot, number of internodes and their length, number of firstrank offshoots and their length, number of leaves, number of ears, length of the main ear, number of seeds from one plant, weight of 1000 seeds. Most abundant species within crop fields were Polygonum persicaria and Polygonum lapathifolium subsp. pallidum. Rarest was Polygonum lapathifolium subsp. lapathifolium. The smallest and least branched specimens were observed within Polygonum lapathifolium subsp. pallidum. Polygonum persicaria was of similar height, however, the number of offshoots was greater. Number of seeds and weight of 1000 seeds varied among the Polygonum species according to cereal crop. THE ASSOCIATION Pino-quercetum IN THE PAST ANd THE PrESENT, IN THE FOrEST “LAS WOLSKI” (CrACOW, SOUTHErN POLANd) Medwecka-Kornaś Anna. Jagiellonian University, Institute of Botany, 46 Lubicz St., 31-512 Cracow, Poland, ubmedwec@ cyf-kr.edu.pl The forest “Las Wolski” covers the vast hill named “Sowiniec”, 7 km from the centre of Cracow. The oak-hornbeam forest Tilio-Carpinetum is on the slopes and a mixed forest Pino-Quercetum is on the plateau with loess deposit. Both forests were studied by the present author in 1946– 1947, in 1970 (together with S. Loster), and in 2009. It was discovered that several acidophilous species e.g. Trientalis europaea, present at the beginning of the studies, are not found now. Vaccinium myrtillus, abundant 60 years ago, barely occurs now. Only Pteridium aquilinum is relatively common. The dominating species have become Carex brizoides, and Impatiens parviflora which is very numerous and not recorded at all in 1946– 1947, and – in the spring Anemone nemorosa. Fagus sylvatica was recently noticed as prevailing in a part of the plots, but this can result from the location of phytosociological records. Similar changes are known from other wood areas and have various causes. The classification of this described forest involves several problems. Pino-Quercetum has been included by some botanists into the association Querco roboris-Pinetum, and Luzulo pilosae-Fagetum, also into two different classes: Vaccinio-Piceetea and Querco-Fagetea. For some reason these formations are not accepted here. The other problem consists in the disappearance of species characteristic for the association and higher units. In spite of these problems, the most adequate definition for Las Wolski at present seems to be: Pino- Quercetum, with the form Carex brizoides, already used in some publications. 48 GEOGrAPHIC-HISTOrICAL SPECTrUM OF MId- FIELd BIOTOPE FLOrA IN THE WESTErN PArT OF THE drAWSKIE LAKELANd Młynkowiak Elżbieta, Kutyna Ignacy. West Pomeranian University of Technology, Department of Protection and Environmental Management, 17 Słowackiego St., Szczecin, Poland; elzbieta.mlynkowiak@zut.edu.pl; ignacy.kutyna@zut.edu.pl The following biotopes of the agricultural landscape in the western part of the Drawskie Lakeland were surveyed: mid-field woodlots, mid-field coppices, tree-lined roads, ponds, xerothermophilous grass patches and fringe herbs, mid-field meadows, fallows, and post-digging pits. The field research, carried out in 1995– 1998, involved phytosociological Braun-Blanquet relevès and floristic inventories. The flora was classified into the following geographic-historical categories: spontaneophytes (nonsynanthropic, semi-synanthropic, and synantrophic species – apophytes), anthropophytes including metaphytes (archaeophytes and kenophytes), and diaphytes. The geographic-historical spectrum was determined in each biotope separately. The data obtained served as an input in calculations of indices of anthropogenic changes of the flora. The highest indices (about 33%) of natural state (N) of the flora were typical of mid-field woodlots, meadows, and ponds. The lowest indices (about 5%) were for fallows and post-digging pits. The latter, on the other hand, yielded the highest indices of actual (Sw) and potential (Sp) synanthropy (Sw of 86 and 79%, respectively; Sp of 95 and 94%, respectively). Those indices were at their lowest in midfield ponds (Sw = 49%; Sp = 67%) and meadows (Sw = 53%; Sp = 67%). The lowest index of archaeotypy was typical of the flora of fallows (Ar = 19%). The lowest indices were shown by the flora of mid-field meadows and ponds (Ar = 3%). COMPOSITION, STrUCTUrE ANd LANdSCAPE VAL- UE OF THE Acer PseudoPlAtAnus-Aruncus sylvestris CoMMUNIty IN tHE ZAKoPIAńSKA vAL- LEY Moszkowicz Łukasz. Cracow University of Technology, Institute of Landscape Architecture, 24 Warszawska St., 31-155 Cracow, Poland, luk_mosz@poczta.onet.pl The Acer pseudoplatanus-Aruncus sylvestris community is poorly recognized in Poland and needs syntaksomic verification. It was noted only in a few places in the Śnieżnik Massif. The structure and composition were researched, selected ecological factors were noted and the landscape value of this community was set. In Zakopane Valley, this type of phytocenosis occupys small areas situated along streams on steep slopes of ravines. Mainly this community grows on slopes with a North- East or Eastern exposure. Their level of development is diverse and worth saving. It was found that the best developed patches of this community are dominated by Acer pseudoplatanus, Aruncus sylvestris with significant contribiutions of Ulmus glabra and Rosa pendulina. Participation of U. glabra and smaller contributions of Sorbus aucuparia are the most significant difference between this type phytocenosis and Tatras sycamore forests. Nowadays, there are several destrucive forces at work against Acer pseudoplatanus-Aruncus sylvestris communities in Zakopane Valley. Ravines are littered with rubbish, soil and garbage. Sewage is polluting the streams. As the result, there are dug holes, the introduction of alien species and the planting of Picea abies. Many patches of this community have been degenerated or substituted by others types of phytocenosis. Nowadays this community is part of the Zakopane landscape. Reasonable management does not endanger them. Research about the Acer pseudoplatanus-Aruncus sylvestris community is continuing.
dIVErSITY OF rIPArIAN TALL HErB FrINGE COM- MUNITIES (convolvuletAliA sePium) ANd THEIr HABItAt CoNDItIoNS IN tHE RIvER PIAŚNICA VALLEY Myśliwy Monika. University of Szczecin, Department of Plant Taxonomy and Phytogeography, 13 Wąska St., 71-415 Szczecin, Poland, nikabot@univ.szczecin.pl Nitrophilous fringe communities of herbaceous flora, growing along lowland watercourses, are a natural component of a typical riparian landscape. These communities are protected by the EU Habitat Directive (Code 6430-3). In Poland, those interesting and floristically diverse plant communities are still poorly known. The present study is based on 39 phytosociological Braun-Blanquet relevés obtained in 2009 from homogenous vegetation patches covering 8– 16 m2 . The set of relevés was subjected to multivariate analysis involving hierarchical classification with TWINSPAN software. Habitat conditions were determined by collecting soil samples for physical and chemical assays for pH, grain size, organic matter content, concentrations of nitrogen and carbon and biologically available forms of P, K, and Mg. The CANOCO 4.5 for Windows software was used to perform detrended correspondence analysis (DCA) with which to explore variability of species distribution along environmental gradients. In addition, a direct gradient analysis was performed to explore relationships between species composition and habitat variables. The direct gradient analysis used was canonical correlation analysis, CCA. The study was supported in 2008– 2011 by a grant from the Ministry of Science and Higher Education; grant No. N N305231935. chenoPodium ficifolium SM. AS AN ExAMPLE OF A rIVEr COrrIdOr PLANT IN THE ArEA OF POLANd Nobis Agnieszka. Jagiellonian University, Institute of Botany, Department of Plant Taxonomy and Phytogeography, 27 Kopernika St., 31-501, Cracow, Poland, agnieszka.nobis@uj.edu.pl General research concerning river corridors and plants which grow mainly or exclusively in the valleys of large rivers has a long tradition in Central Europe. Despite this fact, river corridor plants have not been studied before in detail, in Poland. An example of a species included in Central Europe into the group of river corridor plants is Chenopodium ficifolium. It is a taxon from the Chenopodium album group. Distribution and habitat preferences of Chenopodium ficifolium are still scantly known in Poland. The illustrations of most important, taxonomical features of Ch. ficifolium (i. e., habit of the plant, shape, variability of leaves and seeds morphology) are presented. The analysis of available herbarium materials as well as conducted field studies, unambiguously confirm that the species belongs to the group of river corridor plants. The distribution of Ch. ficifolium in our country is presented using the ATPOL system. The results of detailed studies using transects running across the San River Valley illustrate the concentration of this species in the neighborhood of the river corridor. The data on habitats occupied by Ch. ficifolium are also presented. MOrPHOLOGICAL CHArACTErISTICS ANd TAx- ONOMICAL SIGNIFICANCE OF THE LEMMA SUr- FACE OF TAxA FrOM THE stiPA tiAnschAnicA COMPLEx Nobis Marcin1 , Nowak Arkadiusz2 . 1Jagiellonian University, Institute of Botany, 27 Kopernika St., 31-501 Cracow, m.nobis@ uj.edu.pl; 2Opole University, Department of Biosystematics, 48 Oleska St., 45-022 Opole, Poland Stipa tianschanica is a species described by R. Roshevits in 1916, on the basis of specimens collected in central Tian-Shan. Geobotany and Plant Cover Conservation Eight years later Roshevits described further three central-asiatic species, closely related to S. tianschanica, i.e., S. klemenzii Roshev., S. potaninii Roshev. and S. gobica Roshev. Subsequently, the next two taxa: S. sinomongholica Ohwi 1943 and S. wulateica (Y.Z. Zhao) Y.Z. Zhao 1996 were described and some taxonomical combinations within the aforementioned species were made. In this paper the authors present the taxonomical position and general distribution of species from the Stipa tianschanica complex. Information on taxa from that complex, their synononyms, table with comparision of the main differential features of each species, and photographs illustrating structure of the lemma surface of S. tianschanica subsp. tianschanica, S. tianschanica subsp. gobica and S. klemenzii were given. Analyses of the morphological characters of these taxa provided new information on their variability. A key to species belonging to the Stipa tianschanica complex, their morpfological descriptions as well as photographs illustrating the main identification details of species are also presented. Identification details include general habit, glumes, lemma, awn and leaf sections. rUSH COMMUNITIES OF THE ZErAVSHAN MTS IN TAJIKISTAN Nowak Arkadiusz 1 , Nobis Marcin 2 . 1 Opole University, Department of Biosystematics, Laboratory of Geobotany and Plant Conservation, 48 Oleska St., 45-052 Opole, Poland, anowak@ uni.opole.pl; 2 Jagiellonian University, Institute of Botany, Department of Plant Taxonomy and Phytogeography, 27 Kopernika St., 31-501 Cracow, Poland, m.nobis@uj.edu.pl The Zeravshan mountains are located in the northern part of Tajikistan and eastern Uzbekistan. The range extends longitudinally over 700 km. There were no detailed studies on rush vegetation in that area till now. That is why in 2007– 2009, phytosociological research using the Braun-Blanquet approach was conducted. The main aim of the research was to find out the distribution patterns of all types of rush communities and to taxonomically revise the diagnostic species for rush associations. Analysing the 185 plots with phytosociological documentation, several phytocoenoses were described: community of Typha laxmannii, comm. of T. angustifolia, comm. of T. minima, comm. of T. latifolia, comm. of Phragmites australis, comm. of Bolboschoenus maritimus, comm. of B. glaucus, comm. of B. yagara, comm. of Eleocharis turcomanica, comm. of E. uniglumis, comm. of E. argyrolepis, comm. of Nasturtium microphyllum, comm. of Berula erecta and comm. of Glyceria notata. cArici remotAe-frAxinetum KOCH 1929 Ex FAB- Er 1936 IN OPOLE SILESIA Nowak Sylwia 1 , Nowak Arkadiusz 2 . Opole University, Department of Biosystematics, Laboratory of Geobotany and Plant Conservation, 48 Oleska St., 45-052 Opole, Poland; 1 snowak@ uni.opole.pl; 2 anowak@uni.opole.pl The submontane riverside carr forest Carici remotae-Fraxinetum belongs to the rarest of wood communities and occupies the smallest area in the Opole Silesia region. It is withdrawing plant association, usually degenerated. For this reason, during 2007– 2009 geobotanical studies were undertaken to present the current distribution and conservation status of the Carici remotae-Fraxinetum association in Opole Silesia. The study was carried out by using the Braun-Blanquet method in the southern part of the region; mainly in the Opawskie Mountains and on the Głubczyce Plateau. Occurrence of 8 patches of this plant community on the Chrobry Mount, on the northern slopes of Olszak Hill, Bystry valley stream and the upper parts of the Biskupia Kopa (Opawskie Mountains), as well as Rozumice reserve in the south-eastern part of the Głubczyce Plateau were noticed. 49
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Plant Tissue Cultures
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one week intervals for 9 weeks. 3)
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taxon. This plant contains secondar
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Pteridology
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