Results 41 to 50 of about 192 (130)
Bancos de Esporos de Samambaias e Licófitas: uma Revisão [PDF]
Os esporos de samambaias e licófitas podem ser depositados no solo e podem ser levados para o seu interior por mecanismos diversos, em geral para as camadas superficiais.
Luciano Mauricio Esteves
doaj
A New Species of Diploid Quillwort (Isoetes, Isoetaceae, Lycophyta) from Lebanon
Abstract. A new species, Isoetes libanotica Musselman, Bolin & R. D. Bray (Isoetaceae, Lycophyta), is described from Akkar District of northern Lebanon. It is a seasonal terrestrial species of basaltic soils, diploid (2n = 22), with complete velum coverage.
Bolin, Jay F. +2 more
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Estão em desenvolvimento estudos florísticos, taxonômicos e ecológicos sobre as monilófitas ocorrentes nos vários ecossistemas paraenses. Considerando a grande carência de trabalhos científicos sobre a flora de pteridófitas da Amazônia, este trabalho foi
Marcio Roberto Pietrobom da Silva +1 more
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Abstract Spore morphology and ultrastructural features of the permanent microspore tetrads of Selaginella convoluta and S. lepidophylla were studied with light microscopy, scanning and transmission electron microscopy. The four members of each tetrad in S.
Morbelli, Marta Alicia +1 more
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El orden Uredinales constituye el más importantey numeroso grupo de hongosfitoparásitos, caracterizados por un ampliorango de hospedantes que incluye miembrosde Lycophyta, Briophyta, Pteridophyta,Pinophyta y ...
PARDO-CARDONA VÍCTOR MANUEL
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Direct Repeats Co-occur with Few Short Dispersed Repeats in Plastid Genome of A Spikemoss, Selaginella vardei (Selaginellaceae, Lycophyta) [PDF]
Abstract Background It is hypothesized that the highly conserved inverted repeat (IR) structure of land plant plastid genomes (plastomes) is beneficial for stabilizing plastome organizations, whereas the mechanism of the occurrence and stability maintenance of the newly reported ...
Zhang, Hong-Rui +2 more
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Lycophyta e samambaias do Parque Nacional da Serra do Itajaí, Vale do Itajaí, SC, Brasil
Este trabalho apresenta o levantamento das espécies de Lycophyta e samambaias do Parque Nacional da Serra do Itajaí, Santa Catarina. O Parque possui, no total, 57.475 ha, com altitudes que variam de 150 a 940 m, sendo coberto por Floresta Ombrófila Densa.
André Luís de Gasper, Lucia Sevegnani
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: The morphology and structure of megaspores assigned to Lagenoisporites magnus from the Toregua Formation, Retama Group, mid-upper Tournaisian of Bolivia were studied. The analysis was performed with light, fluorescence and scanning electron microscopy.
MARCELA QUETGLAS +2 more
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Lycophytes and Monilophytes (Pteridophytes) of the Floresta Nacional de Caxiuanã, Pará State, Brazil: key to the families, and to species of Aspleniaceae and Blechnaceae [PDF]
This study of the Aspleniaceae and Blechnaceae of the Caxiuanã National Forest (FLONA), is part of a series on the floristic, taxonomic and ecological studies of the Lycophyte and Monilophyte flora of the ecosystems of the Brazilian state of Pará.
Marcio Roberto Pietrobom da Silva +1 more
doaj
O Dossel é um ecossistema complexo e ecologicamente diverso, possuindo espécies, nichos e processos próprios. Dentre as diversas formas de vida que o compõem, destaca-se a epífita.
Rodrigo de Andrade Kersten
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