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Sample records for magnoliophyta

  1. Magnoliophyta species of restinga, state of Pernambuco, Brazil.

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    Zickel, C. S.

    2007-01-01

    Full Text Available Restinga vegetation occurs along the entire coast of Brazil. The 187 km of coastline of the state ofPernambuco demonstrates a diversity of habitats, such as beaches, dunes, and restingas. The present study sought toelaborate a checklist of the phanerogamic species found there. The species listed were compiled from surveysundertaken between 1951 and 2007, as well as from herbaria collections in that state. A total of 477 species distributedamong 303 genera and 95 families were encountered. The families with the greatest numbers of species were Poaceae(39 species, Fabaceae (34, Cyperaceae (26, Euphorbiaceae (25, Myrtaceae (24, Rubiaceae (20, Caesalpiniaceae(17, Mimosaceae (16, Asteraceae (14, Orchidaceae (14, Bromeliaceae (9, Boraginaceae (8, Malvaceae (8,Solanaceae (8, and Annonaceae, Araceae, Chrysobalanaceae, Malpighiaceae, and Melastomataceae (7 each.Approximately 60 % of the species were common to other restinga areas in northeastern Brazil, and 39.3 % wererestricted to the coast of Pernambuco.

  2. Variación de compuestos químicos en hojas de poblaciones de Drimys spp. (Magnoliophyta: Winteraceae en Chile Variation of chemical compounds in leaves of Drimys spp. (Magnoliophyta: Winteraceae populations in Chile

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    DIEGO MUÑOZ-CONCHA

    2004-03-01

    Full Text Available El canelo (Drimys winteri es un árbol nativo de Chile con propiedades medicinales y sagrado para el pueblo mapuche. Se ha descrito en esta especie la presencia de compuestos químicos con actividad biológica como aceites esenciales, terpenos y flavonoides. Estos grupos de compuestos fueron cuantificados en hojas de cinco poblaciones de D. winteri y una de D. andina de Chile mediante hidrodestilación (aceites volátiles, extracción Soxhlet con hexano (terpenos y espectrofotometría (flavonoides. El contenido promedio de aceites esenciales fue de 0,5 mL 100 g-1, el de terpenos de 7,1 %, y el de flavonoides de 1,8 %, en base a peso seco. A pesar de las importantes variaciones observadas dentro y entre poblaciones, las diferencias de poblaciones fueron significativas para los tres grupos de compuestos estudiados. Las poblaciones de la Séptima Región de Chile presentaron los valores más altos de aceites esenciales (0,68 mL 100 g-1 en la población de Huerta de Maule, terpenos y flavonoides (9,47 y 2,37 %, respectivamente, ambos en la población de Pangal. La población más austral estudiada, ubicada en Huillinco, Chiloé, presentó valores significativamente más bajos para los tres grupos de compuestos: 0,22 ml/100g de aceites esenciales, 3,36 % de terpenos y 1,21 % de flavonoides. Las poblaciones de D. winteri y D. andina de la IX Región, cercanas geográficamente, presentaron diferentes contenidos de aceites esenciales y flavonoides. Se concluye que efectivamente poblaciones distintas de especies de Drimys poseen cantidades significativamente diferentes de aceites esenciales, terpenos y flavonoidesCanelo (Drimys winteri is a Chilean native tree with medicinal properties and sacred to mapuche people. This species contains chemical compounds with biological activity such as: essential oils, terpenes and flavonoids, which were quantified in leaves of five D. winteri and one D. andina populations by hydrodistillation (essential oils, hexane Soxhlet extraction (terpenes, and spectrophotometry (flavonoids. Mean concentrations of 0.5 mL 100 g-1 for essential oils, 7.1 % for terpenes and 1.8 % for flavonoids in leaves (dry mass were determined. Despite the great variation found, significant differences among populations were detected in concentrations of all groups of chemical compounds studied. Populations from the central region of Chile presented the highest values of essential oils (0.68 mL 100 g-1 in Huerta de Maule population, terpenes, and flavonoids (9.47 and 2.37 %, respectively, both in the Pangal population. The southernmost population, located in Chiloé Island, showed the lowest values for the three groups of compounds: 0.22 mL 100 g-1 for essential oils, 3.36 % for terpenes and 1.21 % for flavonoids. D. winteri and D. andina populations from the IX region, geographically close to each other, had different concentrations of essential oils and flavonoids. It is concluded that different Drimys populations actually contain different quantities of essential oils, terpenes, and flavonoids

  3. Trends of the seagrass Cymodocea nodosa (Magnoliophyta in the Canary Islands: population changes in the last two decades

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    Federico Fabbri

    2015-03-01

    Full Text Available Seagrass meadows perform essential ecosystem functions and services. Though the meadows are globally deteriorating, numerous regressions remain unreported as a result of data fragmentation. Cymodocea nodosa is the most important seagrass in shallow coastal waters of the Canary Islands. No study has so far investigated temporal population trends at the entire archipelago scale. Using data collected in the past 23 years by local companies, public authorities and research groups, the population trends of Cymodocea nodosa were analysed over the past two decades at the scales of islands, island sectors and meadows. During this period, a prevalence of negative trends was revealed for three seagrass demographic descriptors (seagrass shoot density, coverage and leaf length at the three scales, evidencing an overall deterioration in seagrass meadow integrity. These results suggest the need to develop correct management strategies to guarantee the conservation of this seagrass and the meadows it creates.

  4. О семенном возобновлении шелковицы белой (Morus alba, Moraceae, Magnoliophyta) на территории Саратовской области

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    ХАРИТОНОВ АЛЕКСАНДР НИКОЛАЕВИЧ

    2010-01-01

    Сообщается о наличии семенного возобновления и ювенильных экземпляров ценной древесной пищевой и технической культуры. шелковицы белой (Morus alba L.) в нескольких пунктах г. Саратова и на территории Энгельсского р-на Саратовской области.

  5. INVENTARIO FLORÍSTICO EN EL CERRO DEL CUCHILLO, TAPÓN DEL DARIÉN COLOMBIANO

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    CÁRDENAS-LÓPEZ DAIRON

    2003-06-01

    Full Text Available Se presentan los resultados del inventario florístico realizado entre agosto de 1987y julio de 1988, en el Cerro del Cuchillo, municipio de Riosucio (Chocó, Tapón delDarién colombiano. Se efectuaron diez salidas de campo con duración de quincedías cada una . Se registraron 127 familias, 428 géneros y 747 especies. Las divisionesmejor representadas fueron Magnoliophyta con 112 familias, 402 géneros y 705especies; Pteridophyta con trece familias, 23 géneros y 40 especies. Cycadophytaestuvo representada por la familia Zamiaceae con una especie y Gnetophyta por lafamilia Gnetaceae con una especie. Entre las plantas con flores (Magnoliophyta, elgrupo mejor representado fue la clase Magnoliopsida con 94 familias, 324 génerosy 573 especies. La clase Liliopsida estuvo representada por 18 familias, 78 génerosy 132 especies.

  6. Evaluation of vegetation diversity of the limestone quarry „Lafarge Ciment” (Moldova) S.A.

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    CERTAN Corina; BULIMAGA Constantin; GRABCO Nadejda

    2018-01-01

    Actual floristic research is focused on the study of the flora biodiversity and elaboration of a management plan in order to recover the flora of the „Lafarge Cement” (Moldova) S.A. quarry ecosystem. The study refers to the taxonomic investigation of the floristic diversity on adjacent to the quarry and in the proper quarry. In the frame of the study 117 species of magnoliophyta from 43 families were identified in the study area. The quarry dendroflora is represented by 20 species of arbors a...

  7. Bioaccumulation pattern of lanthanides in pteridophytes and magnoliophytes species from Atlantic Forest

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    Andre Luis Lima de Araujo; De Nadai Fernandes, E.A.; Marcio Arruda Bacchi; Elvis Joacir De Franca

    2012-01-01

    The availability of chemical elements for plants is mainly dependent on the nature of the soil and characteristics of each species. The transfer factors of lanthanides from the soil to the tree leaves of the Atlantic Forest, Brazil, were calculated for one fern species (Alsophila sternbergii-Pteridophyta division) and four magnoliophytes species (Bathysa australis, Euterpe edulis, Garcinia gardneriana and Guapira opposita-Magnoliophyta division) obtained in two areas of Serra do Mar State Park and collected in two different seasons. Samples were analyzed by instrumental neutron activation analysis (INAA). The soil-to-plant transfer factor (TF = C plant :C soil ) in magnoliophytes species was correlated to the mass fraction of lanthanides in the soil, described by a exponential model (TF = a.C soil -b ). Despite the tree fern Alsophila sternbergii presented a hyperaccumulation of lanthanides, this species did not have a significant relationship between TF and mass fraction in soil. Results indicated that plants of Magnoliophyta division selected the input of lanthanides from the soil, while the same was not observed in Alsophila sternbergii. (author)

  8. Photosynthesis intensity of poic plants of left bank Ukraine’s Forest–steppe

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    L. D. Orlova

    2010-01-01

    Full Text Available The intensity of photosynthesis is studied in species of 20 families of Magnoliophyta (Angiospermae. It is revealed that in general, dicotyledons have a higher rate in comparison with the monocotyledonous plant by 10.0 %. The average values with limits from 3.6 to 39.3 mg СО2/dm2 per year are given. The studied species are classified by the ability to assimilate СО2. The rate dependence on a biomorph and hygromorph is determined. It is stressed that rhizome species have sufficient and high values of that rate. The dynamics of values during ontogenesis and impact of weather conditions on them are shown.

  9. Biodiversity patterns of macrophyte and macroinvertebrate communities in two lagoons of Western Greece.

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    Fyttis, G.; Reizopoulou, S.; Papastergiadou, E.

    2012-04-01

    Aquatic macrophytes and benthic macroinvertebrates were studied seasonally (Spring, Autumn, Summer) between the years 2009 - 2011 in two coastal lagoons (Kotychi and Prokopos) located in Peloponnese, Greece, in order to investigate spatial and temporal biodiversity trends related to hydrological processes (degree of confinement, nitrates, phosphates, chl-a, total suspended materials, light irradiance, pH, salinity, temperature and dissolved oxygen). Kotychi lagoon presents a better communication with the sea, while Prokopos has a high degree of confinement. Both ecosystems seasonally receive freshwater input from streams. The submerged aquatic macrophytes constituted a major component of the ecosystems studied. In total, 22 taxa of aquatic macrophytes (angiosperms and macroalgae), 16 taxa for Kotychi (2 Rhodophyta, 8 Chlorophyta, 5 Magnoliophyta, 1 Streptophyta) and 14 taxa for Prokopos (1 Rhodophyta, 5 Chlorophyta, 5 Magnoliophyta, 3 Streptophyta) were found. Ruppia cirrhosa, and Potamogeton pectinatus were dominant in both lagoons. Kotychi lagoon was also dominated by Zostera noltii and Prokopos by Zannichellia pallustris ssp. pedicellata, while the biomass of aquatic species peaked during the summer periods, in both lagoons. The total number of macroinvertebrates found in the lagoons was 28 taxa for Kotychi and 19 for Prokopos. Chironomidae were dominant in both lagoons, while Kotychi was also dominated by Lekanesphaera monodi and Monocorophium insidiosum, and Prokopos by Ostracoda and Lekanesphaera monodi. Benthic diversity ranged from 1.33 to 2.57 in Kotychi and from 0.67 to 2.48 in Prokopos. Species richness, diversity, and abundance of benthic macroinvertebrates were strongly related to aquatic vegetation and to the degree of communication with the marine environment. Moreover, species richness and abundance of both macrophytes and macroinvertebrates were mainly dependent on depth, temperature, pH and concentration of total suspended materials (TSM). Results

  10. Identification, expression, and taxonomic distribution of alternative oxidases in non-angiosperm plants.

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    Neimanis, Karina; Staples, James F; Hüner, Norman P A; McDonald, Allison E

    2013-09-10

    Alternative oxidase (AOX) is a terminal ubiquinol oxidase present in the respiratory chain of all angiosperms investigated to date, but AOX distribution in other members of the Viridiplantae is less clear. We assessed the taxonomic distribution of AOX using bioinformatics. Multiple sequence alignments compared AOX proteins and examined amino acid residues involved in AOX catalytic function and post-translational regulation. Novel AOX sequences were found in both Chlorophytes and Streptophytes and we conclude that AOX is widespread in the Viridiplantae. AOX multigene families are common in non-angiosperm plants and the appearance of AOX1 and AOX2 subtypes pre-dates the divergence of the Coniferophyta and Magnoliophyta. Residues involved in AOX catalytic function are highly conserved between Chlorophytes and Streptophytes, while AOX post-translational regulation likely differs in these two lineages. We demonstrate experimentally that an AOX gene is present in the moss Physcomitrella patens and that the gene is transcribed. Our findings suggest that AOX will likely exert an influence on plant respiration and carbon metabolism in non-angiosperms such as green algae, bryophytes, liverworts, lycopods, ferns, gnetophytes, and gymnosperms and that further research in these systems is required. Copyright © 2013 Elsevier B.V. All rights reserved.

  11. Herbarium Areqvipense (HUSA: computerization and representativeness of its collection

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    Italo F. Treviño

    2012-11-01

    Full Text Available Scientific collections and herbaria are essential sources of information and education for researchers and practitioners in biological sciences. The Herbarium Areqvipense (HUSA, registered at Index Herbariorum since 2004, holds one of the most important collections in Peru. In this paper we provide information about the collection, and its representativeness for the Peruvian flora. HUSA has more than 11000 specimens recorded to date, with more than 2300 determined species, consisting mostly of Magnoliophyta and Pteridophyta (ca. 98%, and a smaller proportion of Basidiomycetes, Ascomycetes (fungi and lichens and Bryophyta (mosses. The collection includes specimens from 23 departments of Peru, where the samples belonging to Arequipa have the largest number of individuals collected (3375 accounting for 31% of the collection. Asteraceae and Solanaceae are the most collected with 1571 and 964 specimens, respectively. The majority of geo-referenced specimens came from the tropical wet forest with 15%, followed by the tropical pre-montane wet forest with 8%. We also provide a list of the nomenclatural types and a brief summary of the history and development of HUSA since its creation.

  12. ALIEN MARINE SPECIES OF LIBYA: FIRST INVENTORY AND NEW RECORDS IN EL-KOUF NATIONAL PARK (CYRENAICA AND THE NEIGHBOURING AREAS

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    H. BAZAIRI

    2013-10-01

    Full Text Available The presence of marine alien species in El-Kouf National Park and the neighbouring areas was assessed using a compilation of available information and observations, a field survey conducted on October 2010 in the framework of the MedMPAnet project and results of further monitoring during June and September 2012. A total of 9 alien species were reported: the Rhodophyta Asparagopsis taxiformis (Delile Trevisan de Saint-Léon, the Chlorophyta Caulerpa racemosa var. cylindracea (Sonder Verlaque, Huisman & Boudouresque, the crab Percnon gibbesi (H. Milne-Edwards, 1853 and the fishes Fistularia commersonii Rüppell, 1838, Siganus luridus (Rüppell, 1829, Siganus rivulatus Forsskål, 1775, Pempheris vanicolensis Cuvier, 1831, Lagocephalus sceleratus (Gmelin, 1789 and Sphyraena flavicauda Rüppell, 1838. Several of them were until now unknown for the National Park. The list of alien marine species of Libya is updated and discussed. Until now 63 marine aliens species were recorded along the Libyan coasts. These include 3 Foraminifera, 3 Ochrophyta, 5 Rhodophyta, 5 Chlorophyta, 1 Magnoliophyta, 11 Arthropoda, 13 Mollusca, 1 Echinodermata and 21 Chordata. Among these Non Indigenous Species, 43 are known as established along the Libyan coast including 8 invasive, 11 casual, 6 questionable, 3 cryptogenic and 1 unknown. An in-depth study of the marine organisms would substantially increase the number of alien species occurring in Libya. Monitoring of marine assemblages of MPAs is a valuable opportunity to go further into the knowledge of native and introduced species.

  13. Study of Mistletoe in Joben Resort Forest Mount Rinjani Lombok

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    Wahyuni Dwi Fikriani

    2017-07-01

    Full Text Available Mistletoes are one group of hemiparasite plants, including the Lorantaceae family that have potential as medicinal. These hemiparasite plants can attack flowering plant (Magnoliophyta and non-floweing plant (Pinophyta, especially on the main stems, branches and twigs. The objective of this research is to identify the species of mistletoe and its hosts, make identification key, descriptions, and to make a distribution map of mistletoe in Joben Resort forest south of Mount Rinjani Lombok. This study is descriptive explorative research with three kinds of collecting sample methods i.e exploration, continous strip sampling, and delenation method. The research found five species of mistletoes are included in three genera i.e Amyema cuernosensis, Amyema enneantha, Amyema tristis, Macrosolen retusus and Scurrula artropurpurea. These five kinds of mistletoe are associated with 23 hosts species of plants, 18 genera from 13 families. The most favorite host of these mistletoes is Ficus septica, and the most agresive mistletoe is Scurrula artropurpurea. The important finding of the research is finding new species or new record of mistletoes. The benefit of these new record or new species is providing new material of new medicinal for treating some diseases such as various cancers.

  14. Structural evolution of the 4/1 genes and proteins in non-vascular and lower vascular plants.

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    Morozov, Sergey Y; Milyutina, Irina A; Bobrova, Vera K; Ryazantsev, Dmitry Y; Erokhina, Tatiana N; Zavriev, Sergey K; Agranovsky, Alexey A; Solovyev, Andrey G; Troitsky, Alexey V

    2015-12-01

    The 4/1 protein of unknown function is encoded by a single-copy gene in most higher plants. The 4/1 protein of Nicotiana tabacum (Nt-4/1 protein) has been shown to be alpha-helical and predominantly expressed in conductive tissues. Here, we report the analysis of 4/1 genes and the encoded proteins of lower land plants. Sequences of a number of 4/1 genes from liverworts, lycophytes, ferns and gymnosperms were determined and analyzed together with sequences available in databases. Most of the vascular plants were found to encode Magnoliophyta-like 4/1 proteins exhibiting previously described gene structure and protein properties. Identification of the 4/1-like proteins in hornworts, liverworts and charophyte algae (sister lineage to all land plants) but not in mosses suggests that 4/1 proteins are likely important for plant development but not required for a primary metabolic function of plant cell. Copyright © 2015 Elsevier B.V. and Société Française de Biochimie et Biologie Moléculaire (SFBBM). All rights reserved.

  15. Ecological Analysis of the Dendroflora of Futoški Park in the City of Novi Sad

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    Kurjakov Aleksandar

    2017-07-01

    Full Text Available The purpose of this paper is to analyze the floristic composition, abundance, biological spectrum and ecological effects of Futoški Park trees and shrubs on the basis of bioindicators. The field research was conducted in Futoški Park, which is one of the oldest and largest parks in the City of Novi Sad, covering an area of 81,306 m2. Upon determining the floristic composition of Futoški Park and the protection zone around the Park hotel, a total of 121 genotypes were recorded, out of which 34 species and lower taxa belong to the Gymnosperm phylum (Pinophyta and 87 species and lower taxa belong to the Angiosperm phylum (Magnoliophyta. A total of 5,228 representatives of dendroflora were found. The biological range of trees and shrubs in the study area mostly includes deciduous nanophanerophytes (34.98% and evergreen nanophanerophytes (33.72%, whereas the remainder includes evergreen phanerophytes (16.35% and the least prevalent deciduous phanerophytes (14.94%. The analysis of ecological indices shows that the greatest number of species meet the environmental requirements, and are successfully acclimated to the climatic and soil conditions. On the basis of the overall vitality and ornamental features of the dendroflora analyzed, it can be argued that Futoški Park is a unique ecological and environmental entity in the urban structure of the city.

  16. Review of alien marine macrophytes in Tunisia

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    Y. R. SGHAIER

    2015-01-01

    Full Text Available In the present study, the list of alien marine macrophytes introduced into Tunisia was updated in the light of available data and new observations. A total of 27 alien marine macrophytes have been recorded so far from Tunisia: 18 Rhodophyta, 3 Ochrophyta, 5 Chlorophyta and 1 Magnoliophyta. For each species, the locality (-ies, the year (or period and the source of the first observation in Tunisia are given. The distribution and the status (casual, cryptogenic, established or questionable of species in Tunisia were evaluated and, where appropriate, discussed. Among them, Hypnea cornuta is reported for the first time from Tunisia. Fourteen alien marine macrophytes are established, whereas seven cryptogenic and two casual species require further investigation. Eleven species are considered as invasive or potentially invasive in the Mediterranean Sea: Acrothamnion preissii, Asparagopsis armata, A. taxiformis Indo-Pacific lineage, Hypnea cornuta, Lophocladia lallemandii, Womersleyella setacea, Caulerpa chemnitzia, C. cylindracea, C. taxifolia, Codium fragile subsp. fragile and Halophila stipulacea. Finally, the case of four questionable species is also discussed.

  17. Analysis of weed flora in conventional and organic potato production

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    Nikolić, Lj.

    2013-12-01

    Full Text Available Composition of weed flora is highly dynamic and depends upon great number of factors, of which cultural practices that are applied by humans in certain crops are the most important. One of the most frequently grown plants in the world and in our country is potato (Solanum tuberosum L., Solanaceae, due to its high biological and nutritive value. Therefore, in the paper was presented taxonomic analysis of weed flora in potato grown conventionally and according to the principles of organic agricultural production, with the intention to point out to eventual differences between present weeds. Of the total number of identified species, from phylum Equisetophyta and class Equisetopsida, in organic potato crop, was determined only one, Equisetum arvense. Of remaining 38 weeds from phylum Magnoliophyta., classified into two classes, Magnoliopsida and Liliopsida. On both of potato growing systems, 39 weed species were found, classified into 16 families and 32 genus. Of the total number, 31 species was identified in conventional potato crop, and only 23 species in potato crop grown according to organic principles, which is for about quarter less. Biological spectrum of weed flora in both potato growing systems is pronouncedly of terrophytic – geophytic type. In the spectrum of area types were recorded differences, i.e. in the conventional potato crop represented are only widely distributed species, while in the organic crop, beside species of wide distribution are also present elements of Pontic group.

  18. Structure of mixed ombrophyllous forests with Araucaria angustifolia (Araucariaceae) under external stress in Southern Brazil.

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    Vibrans, Alexander C; Sevegnani, Lúcia; Uhlmann, Alexandre; Schorn, Lauri A; Sobral, Marcos G; de Gasper, André L; Lingner, Débora V; Brogni, Eduardo; Klemz, Guilherme; Godoy, Marcela B; Verdi, Marcio

    2011-09-01

    This study is part of the Floristic and Forest Inventory of Santa Catarina, conceived to evaluate forest resources, species composition and structure of forest remnants, providing information to update forest conservation and land use policy in Southern Brazilian State of Santa Catarina (95 000 km2). In accordance to the Brazilian National Forest Inventory (IFN-BR), the inventory applies systematic sampling, with 440 clusters containing four crosswise 1 000m2 plots (20 x 50m) each, located on a 10 x 10km grid overlaid to land use map based on classification of SPOT-4 images from 2005. Within the sample units, all woody individuals of the main stratum (DBH > or = 10cm) are measured and collected (fertile and sterile), if not undoubtedly identified in field. Regeneration stratum (height > 1.50m; DBH Floristic sampling includes collection of all fertile trees, shrubs and herbs within the sample unit and in its surroundings. This study performs analysis based on 92 clusters measured in 2008 within an area of 32320km2 of mixed ombrophyllous forests with Araucaria angustifolia located at the state's high plateau (500m to 1 560m above sea level at 26 degrees 00'-28 degrees 30' S and 49 degrees 13'-51 degrees 23' W). Mean density (DBH > or = 10cm) is 578 individuals/ha (ranging from 85/ha to 1 310/ha), mean species richness in measured remnants is 35 (8 to 62), Shannon and Wiener diversity index (H') varies between 1.05 and 3.48. Despite high total species diversity (364 Magnoliophyta, five Coniferophyta and one tree fern) and relatively high mean basal area (25.75m2/ha, varying from 3.87 to 68.85m2/ha), the overwhelming majority of forest fragments are considered highly impacted and impoverished, mostly by logging, burning and extensive cattle farming, turning necessary more efficient protection measures. Basal area was considered an appropriate indicator for stand quality and conservation status.