Lilloa 48 (1) (2011)

Original papers

• Biodeterioration caused by Bryophytes, lichenized Ascomycetes and Cyanobacteria in a sculpture (Tucumán, Argentina)

  Amalia B. Biasuso, Adriana I. Hladki

  3-10

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• Exploratory analysis of morphometric pollen characteristics in 15 varieties of quinoa (Chenopodium quinoa Willd.) using principal component tools

  María E. García, R. Omar Varela, Nora J. Reyes, Fernando E. Prado, Juan A. González

  11-16

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• Activity of Nardophyllum armatum (Wedd.) Reiche (Asteraceae) alcoholic extracts from two different geographical areas of the Argentinian Puna against phytopathogenic microorganisms

  Romina D´ almeida, María R. Alberto, Iris C. Zampini, Roxana M. Ordoñez, María I. Isla

  17-25

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• Leaf morpho-anatomy and foliar achitecture of Cinnamomum porphyrium (Lauraceae)

  Ana I. Ruíz, María E. Guantay, Graciela I. Ponessa

  26-35

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• Riparian forests and cattle management problems in Andean subtropical streams: in the search of water quality sustainability

  P. A. Quiroga, H. R. Fernández, M. D. Sirombra, E. Dominguez

  36-52

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• Leaf anatomy of Boehmeria caudata (Urticaceae) in the province of Tucumán, Argentina

  Romina D. Fernández, Cecilia N. Cabrera, Patricia L. Albornoz, Marta E. Arias

  53-59

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• The genus Poronia (Xylariaceae) from Catamarca, Argentina

  Andrea N. Agüero, Adriana I. Hladki, María M. Dios

  60-64

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• Pollen morphology of two species of cultivated Bauhinia in the Northwest of Argentina (Leguminosae: Caesalpinoideae

  María E. García, Nora J. Reyes

  65-73

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• Morphology and anatomy of Cheilanthes pilosa Goldman

  Marcela A. Hernández, María Gabriela Nazaro, María Eugenia Orqueda

  74-82

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• Meiotic studies in four species of the genus Cuscuta, subgenus Grammica (Cuscutaceae)

  María de los Ángeles Paéz, Aldo R. Andrada, M. E. Lozzia, María I. Toranzo

  83-90

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• Flourensia fiebrigii (Asterales: Asteraceae), source of antipathogenic metabolites

  Cecilia Verni, Mariana Alva, Nora Muruaga, Silvana Borkosky, Elena Cartagena, Alicia Bardón

  91-99

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• Phytoplankton of the lotic environments of the upper basin Sali River, Tucumán, Argentina

  Silvia N. Martínez De Marco, Beatriz C. Tracanna, Nora Maidana

  100-123

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