Results 21 to 30 of about 5,514 (193)

Flora of Viçosa, Minas Gerais State, Brazil: the ancient fern orders Gleicheniales and Osmundales (Polypodiopsida) [PDF]

open access: diamondHoehnea, 2023
In the Municipality of Viçosa, one family, three genera, and five species of Gleicheniales occur: Dicranopteris flexuosa, Gleichenella pectinata, Sticherus bifidus, S. lanuginosus, and S. nigropaleaceus (Gleicheniaceae). All these species are very common
Vanessa Maria da Silva Miranda   +1 more
semanticscholar   +2 more sources

Desenvolvimento inicial de Pleopeltis lepidopteris (Polypodiaceae-Polypodiopsida) [PDF]

open access: diamondRodriguésia, 2009
RESUMO Frondes férteis de Pleopeltis lepidopteris (Langsd. & Fisch.) de la Sota foram coletadas em Florianópolis, SC. Esporos foram separados dos esporângios por filtragem em papel entretela e armazenados a 7 ± 1oC, esterilizados superficialmente e ...
Daniela Viviani   +2 more
doaj   +2 more sources

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   +4 more sources

Structure and chemical nature of intercellular protuberances in Dennstaedtiaceae rhizomes (Polypodiopsida)

open access: yesActa Scientiarum: Biological Sciences, 2023
Intercellular protuberances (IPs) are projections on the cell surface and have been reported for families of ferns, Gymnosperms, and Angiosperms. Data on the type, chemical composition, and distribution of these structures among vascular plants are ...
Ivan Becari-Viana   +2 more
doaj   +2 more sources

Pecluma recurvata (Kaulf.) M.G. Price (Polypodiopsida: Polypodiaceae): distribution extension in Atlantic Forest, Brazil [PDF]

open access: goldCheck List, 2013
Pecluma recurvata (Kaulf.) M. G. Price has been recorded in Argentina, Paraguay and Brazil (Atlantic Forest). Our work further extends the distribution of P.
Augusto César Santiago   +3 more
doaj   +4 more sources

New records for the fern flora (Polypodiopsida) in Yungas from Tucumán, Argentina

open access: yesLilloa, 2023
Didymoglossum krausii (Hymenophyllaceae), Amauropelta jujuyensis and Amauropelta nubicola (Thelypteridaceae) are recorded for the first time in Tucumán, Argentina, in Yungas biogeographic province. This is the southernmost record of the three taxa.
Gabriela Romagnoli   +2 more
doaj   +2 more sources

Two new species of gall mites (Acariformes, Eriophyoidea) from ferns (Polypodiopsida) from South Africa and Vietnam

open access: diamondAcarologia
The diversity of eriophyoid mites on ferns and conifers is notably lower than on angiosperms. To date, ~40 eriophyoid mite species from 20 genera have been recorded on ferns.
P. Chetverikov   +7 more
semanticscholar   +2 more sources

Sticherus lanuginosus (Gleicheniaceae, Polypodiopsida) en Argentina y Paraguay

open access: yesDarwiniana, nueva serie, 2021
This work provides data on the distribution of Sticherus lanuginosus in Argentina and Paraguay. A description, illustrations, ecological observations and the first record of this species in Argentina are also provided. With this, the number of species of
Saúl Páez   +2 more
semanticscholar   +4 more sources

Dennstaedtiaceae (Polypodiopsida) no estado de Minas Gerais, Brasil [PDF]

open access: yesRodriguésia, 2011
Resumo Dennstaedtiaceae Pic. Serm.sensu lato é formada por cerca de 20 gêneros e 175 espécies. A família é caracterizada pelo caule ereto, raramente arborescente, curto a longo-reptante, com tricomas e/ou escamas, folhas geralmente pinadas, raro simples,
Francine Costa Assis, Alexandre Salino
doaj   +3 more sources

Blechnum rosulatum (Blechnaceae, Polypodiopsida), a new species of fern from Tocantins, Brazil [PDF]

open access: yesActa Botânica Brasílica
We describe a new species of Blechnum from Tocantins, Brazil: Blechnum rosulatum sp. nov. (Blechnaceae). Information about its geographical distribution, habitat, phylogenetic placement and comments on conservation status are given, as well as an updated
Bianca Schindler   +5 more
doaj   +2 more sources

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