Results 21 to 30 of about 5,347 (163)

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

Rodriguésia, 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, Eva Bulacio, Alberto Carlos Slanis, Alfredo Grau   +3 more
doaj   +1 more source

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

BMC 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, Guo Wenhu, Gubbels Emily A, Hansen A Katie, Mower Jeffrey P   +4 more
doaj   +1 more source

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

Rodriguésia
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.
Vinícius Antonio de Oliveira Dittrich, André Luís de Gasper   +1 more
doaj   +1 more source

Gametophytic phase of "Doryopteris triphylla" (Pteridaceae, Polypodiopsida).

Botanica Complutensis, 2016
Gametophytes of the Pteridaceae are moderately well known but there is still a quite large set of species to describe. Among these is Doryopteris triphylla, a member of the cheilanthoid clade (subgroup hemionitids). The main objective of this work is to describe the gametophyte of D. triphylla.
Seral, Andrea, Gabriel Y Galán Moris, José María   +1 more
openaire   +4 more sources

Contribuições para a flora de samambaias da Serra dos Carajás, Pará, Brasil

Rodriguésia, 2019
Resumo Este estudo trata os táxons das famílias Athyriaceae, Lomariopsidaceae, Metaxyaceae e Saccolomataceae (Polypodiopsida) encontrados nas formações de Floresta Ombrófila Densa circunvizinhas às formações de canga da Serra dos Carajás, estado do Pará,
Lucas Vieira Lima, Filipe Soares de Souza, Raquel Stauffer Viveros, André Jardim Arruda, Alexandre Salino   +4 more
doaj   +1 more source

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

Anais da Academia Brasileira de Ciências, 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 YAÑEZ, DIEGO G. GUTIERREZ, MARTA MÓNICA PONCE   +2 more
doaj   +2 more sources

Diversity and distribution of Icelandic ferns (Polypodiopsida)

Botanica Complutensis, 2021
In this paper a comprehensive list of Icelandic ferns (Polypodiopsida sensu PPG I) is presented alongside detailed distribution maps (5×5 km grid). Apart from general characteristics of the local range, details on ecology and conservation status are provided, including most common habitat types for each species, altitudinal range and a local red list ...
openaire   +3 more sources

A new species of Blechnum L. (Blechnaceae, Polypodiopsida) from central-western Brazil, with an updated key to the species in the country

Acta Botânica Brasílica, 2022
We describe a new species of Blechnum from Mato Grosso, Brazil: Blechnum rivulorum sp. nov. This new species was discovered as a result of visits to the herbaria BM, K, P, PR, and S, as part of the Reflora Project, by the first author.
Vinícius Antonio de Oliveira Dittrich, Alexandre Salino, André Luís de Gasper   +2 more
doaj   +1 more source

Catálogo de las plantas vasculares de Chile

Gayana: Botanica, 2018
Se presenta un catálogo de las plantas vasculares que crecen en Chile. Está organizado por divisiones, Pteridophyta (Lycopodiopsida y Polypodiopsida), Pinophyta (Gnetopsida y Pinopsida) y Magnoliophyta (Liliopsida y Magnoliopsida), y dentro de cada ...
Roberto Rodriguez, Clodomiro Marticorena, Diego Alarcón, Carlos Baeza, Lohengrin Cavieres, Victor L. Finot, Nicol Fuentes, Andrea Kiessling, Maritza Mihoc, Aníbal Pauchard, Eduardo Ruiz, Paulina Sanchez, Alicia Marticorena   +12 more
doaj   +1 more source

Palinomorfos del Holoceno en la cuenca alta del Río Lerma, Estado de México, México

Botan‪ical Sciences, 2003
En los sedimentos de la laguna de Chignahuapan, Estado de México, México, se identificaron 96 palinomorfos. Se encontraron 8 taxa correspondientes a algas, un género y una familia tanto para Equisetopsida como para Lycopodiopsida, y 6 familias con 10 ...
Beatriz Ludlow-Wiechers, Lucía Almeida-Leñero, Yoko Sugiura   +2 more
doaj   +1 more source