Results 41 to 50 of about 7,423 (155)

Flora of Bolivia - where do we stand?

Rodriguésia
The botanical exploration of Bolivia during the last two centuries did not leave a botanical legacy in the country. Only towards the end of the 20th century Bolivia saw the start of the biology careers at its universities and the development of its own ...
RI. Meneses, S. Beck, E. García, M. Mercado, A. Araujo, M. Serrano   +5 more
doaj   +1 more source

Developmental evidence of acrocarpy in Hedwigia ciliata (Musci: Hedwigiaceae) [PDF]

, 1990
The growth habit of the Hedwigiaceae has been described variously as acrocarpous, pseudopleurocarpous, or pleurocarpous. Anatomical evidence presented here indicates that Hedwigia ciliata is acrocarpous. The archegonia are terminal on the main shoot, and
De Luna, Efrain
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Morphology of Hydatellaceae, an anomalous aquatic family recently recognized as an early-divergent angiosperm lineage [PDF]

, 2007
© 2007 Botanical Society of America, Inc.The family Hydatellaceae was recently reassigned to the early-divergent angiosperm order Nymphaeales rather than the monocot order Poales.
Ambrose, Arber, Bateman, Bateman, Battaglia, Batygina, Batygina, Batygina, Behnke, Behnke, Bobrov, Bortenschlager, Buzgo, Buzgo, Buzgo, Cevallos-Ferriz, Cheeseman, Collinson, Cook, Cooke, Cooke, Cooke, Crane, Cutler, Dahlgren, Dennis W. Stevenson, Dettmann, Diels, Dmitry D. Sokoloff, Dorofeev, Dorofeev, Dorofeev, Doyle, Edgar, Endress, Endress, Endress, Endress, Endress, Endress, Endress, Endress, Endress, Fassett, Field, Floyd, Friedman, Friedman, Friedman, Friis, Friis, Furness, Grayum, Grob, Hamann, Hamann, Hamann, Hamann, Hamann, Hieronymus, Hieronymus, Hooker, Iwamoto, Jerrold I. Davis, John G. Conran, Kaden, Kelly, Kolesova, Krassilov, Krassilov, Krassilov, Linder, Margarita V. Remizowa, Martín-Closas, Melikian, Moseley, Notov, Paula J. Rudall, Payer, Philipson, Pledge, Posluszny, Qiu, Remizowa, Rudall, Rudall, Rudall, Rudall, Rudall, Rudall, Rudall, Saarela, Santamaría, Sattler, Schneider, Shamrov, Soltis, Stevenson, Sun, Takhtajan, Taylor, Terry D. Macfarlane, Tillich, Tomlinson, Vergara-Silva, Vyshenskaya, Weidlich, Weidlich, Weidlich, Wettstein, Wiersema, Williams, Williams, Winter, Winter, Yadav   +115 more
core   +1 more source

Taxodium distichum (Cupressaceae) adventicia en la Argentina y Uruguay Taxodium distichum (Cupressaceae) adventitious in Argentina and Uruguay

Boletín de la Sociedad Argentina de Botánica, 2011
Este trabajo incluye la primera cita de Taxodium distichum (L.) Rich. como especie adventicia para la Argentina y Uruguay, consideraciones sobre su situación dentro del proceso de naturalización, y observaciones sobre las Cupressaceae nativas y ...
Gustavo Delucchi, Julio A Hurrell
doaj  

Adventivfloristische Mitteilungen

Lilloa, 1938
Basierend auf der Untersuchung von Herbariummaterial und lebenden Pflanzen vervollständigt der Autor frühere Arbeiten, indem er über die Entdeckung einiger zufälliger Xanthium-Arten berichtet.
Felix Widder
doaj  

Precautionary Expertise for GM Crops (PEG): EU Workshop Report [PDF]

, 2003
This policy workshop was organised as part of the research project, ‘Precautionary Expertise for GM Crops’ (PEG), funded by the European Commission. The project includes research partners in seven member states (Austria, Denmark, France, Germany, the ...
Levidow, Les
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Comportamiento a campo de Pinus ponderosa inoculado con hongos ectomicorrícicos plantado en pastizales de estepa en Patagonia Andina, Argentina [PDF]

, 2016
Pinus ponderosa es la especie forestal más plantada en el área de ecotono de Patagonia, Argentina, sujeta a estrés hídrico y clima mediterráneo. Los hongos ectomicorrícicos forman asociaciones obligadas y mutuamente beneficiosas con P.
Barroetaveña, Carolina, Bassani, Vilma Noemí, Monges, Juan Ignacio, Rajchenberg, Mario   +3 more
core   +2 more sources

Can we manage the adventitious flora without chemical weed-killers in the Amazonian agriculturals systems? Contributions and interests of agroecological principles

, 2018
Comme partout dans le monde, les agriculteurs doivent garantir leur revenu et produire des aliments ou des services dans le respect de l’environnement et de la santé des consommateurs, tout en recherchant les conditions optimales pour la culture. De manière singulière, le contrôle des adventices dans les régions tropicales constitue une contrainte ...
Tournebize, Régis, Uneau, Youri, Roggy, Jean-Christophe   +2 more
openaire   +2 more sources

Impacts of Land Abandonment on Vegetation: Successional Pathways in European Habitats [PDF]

, 2011
Changes in traditional agricultural systems in Europe in recent decades have led to widespread abandonment and colonization of various habitats by shrubs and trees.
Bernhardt-Römermann, M., Bohner, A., Brandl, R., Dölle, M., Hoffmann, M., Klotz, S., Kreiner, D., Kuiters, A.T., Prévosto, B., Schmidt, W., Stadler, J., Uytvanck, J., Van   +11 more
core   +4 more sources

Dormancy in reproductive vegetative buds in creeping perennials dominating the agricultural weed flora in Scandinavia [PDF]

, 2013
Dormancy, which is the inability to initiate normal growth under otherwise favourable conditions, is an adaptation to escape sprouting prior to seasonal cold temperatures and/or drought in areas where winters are harsh or summers dry.
Liew, Josefine
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