Results 1 to 10 of about 6,307 (194)

Niche Differentiation of Three Terrestrial Isopod Species Based on DNA Metabarcoding [PDF]

open access: yesEcology and Evolution
Species coexistence is a hot topic in ecology, with niche differentiation playing a key role in reducing interspecific competition. This study investigates the dietary habits and niche differentiation of three terrestrial isopod species (Armadillidium ...
Jiachen Wang   +4 more
doaj   +3 more sources

Complete plastid genomes from Ophioglossum californicum, Psilotum nudum, and Equisetum hyemale reveal an ancestral land plant genome structure and resolve the position of Equisetales among monilophytes [PDF]

open access: yesBMC Evolutionary Biology, 2013
Background Plastid genome structure and content is remarkably conserved in land plants. This widespread conservation has facilitated taxon-rich phylogenetic analyses that have resolved organismal relationships among many land plant groups.
Grewe Felix   +4 more
doaj   +4 more sources

Aspleniaceae (Polypodiopsida) in the state of Mato Grosso, Brazil

open access: yesRodriguésia, 2023
We present a floristic-taxonomic survey of the species of Aspleniaceae in Mato Grosso as part of a series on the flora of lycophytes and ferns in this state. The study is based on an analysis of national and foreign herbaria specimens.
Lana da Silva Sylvestre   +2 more
doaj   +3 more sources

Fern Flora of Viçosa, Minas Gerais State, Brazil: Blechnaceae (Polypodiopsida) [PDF]

open access: yesHoehnea, 2023
We present the taxonomic treatment of the fern family Blechnaceae for the Flora of Viçosa, based on typology, morphology, and field observations. We report the occurrence of seven species and two putative hybrids, belonging to three genera: Blechnum ...
Miguel Trancoso Medeiros   +1 more
doaj   +2 more sources

Living Collection as Visual Aids in the Study of Botany by Schoolchildren

open access: yesHortus Botanicus, 2021
The article shows the possibility of living collection of Polypodiopsida species as a visual aid for the 6th grade schoolchildren studying the topic of ferns.
Roguleva Natalia Olegovna   +1 more
doaj   +1 more source

Application of Polypodiopsida Class in Nanotechnology–Potential towards Development of More Effective Bioactive Solutions

open access: yesAntioxidants, 2021
The area of phytosynthesized nanomaterials is rapidly developing, with numerous studies being published yearly. The use of plant extracts is an alternative method to reduce the toxic potential of the nanomaterials and the interest in obtaining ...
Irina Fierascu   +4 more
doaj   +1 more source

Ferns and lycophytes from Ferradura Park, Canela (RS), Brazil

open access: yesLilloa, 2021
A list of ferns and lycophytes from Ferradura Park, a private park located in Canela, Rio Grande do Sul, Brazil is presented. The park has an area of 400 ha with forest formations such as Araucaria Forest, Mixed Ombrophilous Forest and Seasonal ...
Tamara J. Falavigna   +2 more
doaj   +1 more source

Morphological and molecular evidence reject conspecificity of Malagasy and Mascarene Parablechnum (Polypodiopsida, Blechnaceae) [PDF]

open access: yesPhytoKeys, 2022
Under the current treatment of the Blechnaceae, only one species of the fern genus Parablechnum is recognised in the western Indian Ocean, often referred to as P. marginatum. Two varieties are currently recognised within it: a type variety present in the
Sonia Molino   +3 more
doaj   +3 more sources

Rumohra aconquijana (Dryopteridaceae): a new species endemic from Southern Yungas in Argentina

open access: yesRodriguésia, 2023
Rumohra aconquijana sp. nov., a restricted endemism of the Montane Jungle district (700-1,500 m asl; Yungas biogeographic province) is reported, described and illustrated. Rumohra aconquijana grows as epiphyte on Ocotea porphyria (Lauraceae) and Sambucus
Marcelo Daniel Arana   +3 more
doaj   +1 more source

Towards resolving the complete fern tree of life.

open access: yesPLoS ONE, 2011
In the past two decades, molecular systematic studies have revolutionized our understanding of the evolutionary history of ferns. The availability of large molecular data sets together with efficient computer algorithms, now enables us to reconstruct ...
Samuli Lehtonen
doaj   +1 more source

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