Results 1 to 10 of about 6,295 (158)

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

Sinopsis de los helechos y licofitos del Parque Nacional Mburucuyá (Corrientes, Argentina): Claves de especies [PDF]

open access: yesBoletín de la Sociedad Argentina de Botánica, 2013
En el Parque Nacional Mburucuyá, Corrientes, Argentina, se registraron un total de 29 géneros y 48 taxones infragenéricos. El género mejor representado es Thelypteris Schmidel con cinco especies; seguido por Pecluma M. G.
Esteban L.  Meza Torres   +2 more
doaj   +3 more sources

Miscellaneous notes on the fern family Blechnaceae (Polypodiopsida) from Tropical America [PDF]

open access: yesRodriguesia
We present here new discoveries in Blechnaceae (Polypodiopsida). There are new records in Austroblechnum, Blechnum, Cranfillia, and Parablechnum for different political units and areas of the Neotropics.
Vinicius Antonio de Oliveira Dittrich   +1 more
exaly   +3 more sources

Weedy ferns (Polypodiopsida) in Argentina: diversity, distribution and impact on human activities and ecosystems [PDF]

open access: yesAnais Da Academia Brasileira De Ciencias, 2020
Currently, in Argentina 368 species of true ferns (i.e. Polypodiopsida class) are distributed throughout the country, however, only four of them have been mentioned until now as weeds and ruderal species.
Agustina Yanez   +2 more
exaly   +3 more sources

The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil

open access: yesActa Botanica Brasilica, 2016
A synopsis of all scaly tree fern species (Cyatheaceae) occurring in Brazil is presented. We recognize 51 species in three genera [Sphaeropteris one species, Alsophila four species (one subspecies, two varieties), and Cyathea 45 species (one variety ...
Anna Weigand, Marcus Lehnert
exaly   +3 more sources

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   +2 more sources

La familia Gleicheniaceae (Polypodiopsida) en Argentina y Paraguay

open access: yesGayana - Botanica, 2023
Se presenta un estudio de la familia Gleicheniaceae en Argentina y Paraguay, abarcando aspectos taxonómicos, morfológicos y de distribución. Se revisaron ocho herbarios de ambos países y especímenes tipo digitales.
Saúl Páez, Esteban I. Meza-Torres
exaly   +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

Catálogo de las Licofitas (Lycopodiopsida) y Helechos (Polypodiopsida) nativos de Chile

open access: yesGayana - Botanica
Las Lycopodiopsida (licófitas) y Polypodiopsida (helechos), conocidos clásicamente como “pteridofitos”, juntos representan los primeros linajes vivientes de plantas con un sistema vascular en el esporofito.
Marcelo D Arana
exaly   +2 more sources

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