Results 41 to 50 of about 804 (141)
Fern flora of Viçosa, Minas Gerais State, Brazil: Dennstaedtiaceae, Lindsaeaceae and Saccolomataceae
Hoehnea, 2023 As part of an ongoing project treating the ferns and lycophytes from the region of Viçosa, Minas Gerais State, Brazil, we here present the taxonomic treatment of the early divergent lineages of the leptosporangiate ferns: the families Dennstaedtiaceae ...
Nelson Túlio Lage Pena +1 more
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Festuca paniculata meadows in Ticino (Switzerland) and their Alpine environment [PDF]
, 2005 Festuca paniculata (L.) Schinz & Thellung locally dominates montane and subalpine meadows of the Alps and other mountains of southern Europe. Vegetation releves were carried out in Switzerland and northern Italy to study the site conditions under ...
Eggenberg, S. +3 more
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Acta Scientiarum: Biological Sciences, 2023 Intercellular protuberances (IPs) are projections on the cell surface and have been reported for families of ferns, Gymnosperms, and Angiosperms. Data on the type, chemical composition, and distribution of these structures among vascular plants are ...
Ivan Becari-Viana +2 more
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Control of bracken by promoting regeneration of woody vegetation in the Yucatan Peninsula
Trees, Forests and People, 2023 In the tropical dry forest of the Yucatan Peninsula in southern Mexico, as in many parts of the Neotropics, deforested areas have been colonized by the highly competitive invasive bracken (Pteridium arachnoideum), which inhabits naturally regenerated and
Samuel Israel Levy-Tacher +1 more
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Palynological analysis of Dennstaedtiaceae taxa from the Paranaense Phytogeografic Province that produce monolete spores and its systematic implications (I): Blotiella lindeniana , Histiopteris incisa and Paesia glandulosa [PDF]
, 2017 The genera of Dennstaedtiaceae have sporophytes with very different morphological characteristics between each other, and this feature has made difficult the systematic circumscription of the family.
Marquez, Gonzalo Javier +2 more
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Revista Mexicana de Biodiversidad, 2023 La restauración activa y la restauración pasiva son estrategias utilizadas para recuperar paisajes forestales. Pocos estudios han evaluado la recuperación de la fauna comparando diferentes estrategias de restauración de la misma edad en un paisaje ...
Juan M. Díaz García +2 more
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Nature Conservation Research, 2022 Although fire occurrence plays a central role in the dominance of the super-dominant bracken fern Pteridium arachnoideum in Neotropical forests, it is unclear whether this applies to the Brazilian savanna (Cerrado), which vegetation is naturally adapted to fire. We assessed fire effects on the aboveground biomass of P.
Fernanda C.S. Tiberio +3 more
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Human papillomavirus infection in Brazilian women with normal cervical cytology [PDF]
, 2012 We examined the prevalence of human papillomavirus (HPV) infection in a sample of Brazilian women presenting normal cervical cytology. Possible interactions between patient characteristics and HPV infection were analyzed in order to provide background ...
Beçak, Willy +11 more
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Determinação de ptaquilosídeo no leite de vacas por CLAE-UV
Semina: Ciências Agrárias, 2019 Samambaias do gênero Pteridium são reconhecidas como responsáveis por casos de intoxicação em bovinos. As espécies de Pteridium comumente encontradas no Brasil são P. arachnoideum e P. caudatum.
Debora da Silva Freitas Ribeiro +3 more
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Acta Botânica Brasílica, 1998 O trabalho faz parte de uma série de estudos sobre pteridófitas da região noroeste do Estado de São Paulo. Os representantes da família Dennstaedtiaceae são encontrados principalmente nas margens das matas ciliares e em barrancos úmidos e sombreados, com
Claudia R Siqueira, Paulo G Windisch
doaj +1 more source