Results 31 to 40 of about 6,307 (194)

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

open access: yesAnais 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   +2 more
doaj   +2 more sources

Diversity and distribution of Icelandic ferns (Polypodiopsida)

open access: yesBotanica 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

Catálogo de las plantas vasculares de Chile

open access: yesGayana: 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   +12 more
doaj   +1 more source

Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?  [PDF]

open access: yesPhytotaxa, 2014
The Neotropical scaly tree fern Cyathea divergens is a paradigm of a variable species with a wide geographical range. Studies in herbaria and in the field reveal that C. divergens is less frequently collected and less variable than previously thought.
openaire   +1 more source

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

open access: yesBotan‪ical 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   +2 more
doaj   +1 more source

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

open access: yesActa 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   +2 more
doaj   +1 more source

Plant 4/1 protein: potential player in intracellular, cell-to-cell and long-distance signaling [PDF]

open access: yes, 2014
Originally isolated as a result of its ability to interact with the movement protein of Tomato spotted wilt virus in a yeast two-hybrid system, the 4/1 protein is proving to be an excellent tool for studying intracellular protein trafficking and ...
Andrey G. Solovyev   +6 more
core   +2 more sources

Pteridophyte distribution of the Urals and adjacent areas: a dataset [PDF]

open access: yesBiodiversity Data Journal, 2021
Data on the species diversity and distribution of pteridophytes (lycophytes and ferns) in the Urals and adjacent areas are presented. The dataset includes 13,742 observations of two classes Lycopodiopsida and Polypodiopsida.
Denis Melnikov   +21 more
doaj   +3 more sources

First molecular phylogenetic insights into the evolution of Eriocaulon (Eriocaulaceae, Poales) [PDF]

open access: yes, 2019
Eriocaulon is a genus of c. 470 aquatic and wetland species of the monocot plant family Eriocaulaceae. It is widely distributed in Africa, Asia and America, with centres of species richness in the tropics.
Barfod, Anders S   +20 more
core   +2 more sources

Asplenium sylvaticum (Aspleniaceae), a new fern species from Yungas and Paraná forests, Neotropical region [PDF]

open access: yesAnais da Academia Brasileira de Ciências
A new species of Asplenium L. (Aspleniaceae) is described and illustrated. Asplenium sylvaticum is endemic of the Yungas and Paraná biogeographic provinces in the Southern Cone. The main diagnostic characters for this taxon are: apical pinnae with one to
MARCELO D. ARANA   +3 more
doaj   +1 more source

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