Results 51 to 60 of about 3,124 (216)

Ferns of Viçosa, Minas Gerais State, Brazil: Polypodiaceae (Polypodiales, Filicopsida, Tracheophyta)

open access: yesHoehnea
As part of an ongoing project treating the ferns and lycophytes from the region of Viçosa, MG, Brazil, we here present the taxonomic treatment of Polypodiaceae.
Andreza Gonçalves da Silva   +1 more
doaj   +1 more source

Polypodiaceae

open access: yes, 2013
Polypodiaceae Berchtold & J. Presl, Přir. Rostlin. 1 (1820) 272; Ching, Sunyatsenia 5 (1940) 257; Copel., Gen. Fil. (1947) 174; Holttum, Revis. Fl. Malaya 2 (1955) 129; Copel., Fern Fl. Philipp. (1960) 453; Hennipman et al. in Kramer & Green, Fam. & Genera Vase. PI. 1 (1990) 203. — Type genus: Platyceriaceae Polypodium. Ching, Sunyatsenia 5 (1940) 256.
openaire   +2 more sources

Vegetational Characteristics in Natural Habitat and Population Structure of the Endangered Plant Tigridiopalma Genus

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
First comprehensive ecological assessment of the endangered genus Tigridiopalma, covering two China endemic Plant Species with Extremely Small Populations (PSESP), T. magnifica and the newly described T. exalata. T. magnifica exhibits broader habitat diversity and understory resilience, while T.
Peishan Zou   +7 more
wiley   +1 more source

Campyloneurum angustifolium, nuevo registro de Polypodiaceae para Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2016
Campyloneurum angustifolium (Sw.) Fée (Polypodiaceae) es un nuevo registro para Argentina. Se presenta una descripción de la especie e ilustraciones de la planta, así como un mapa y una clave para las especies de Campyloneurum que crecen en el noroeste ...
Dalma G. Jaimez, Olga G. Martínez
doaj   +1 more source

The Bufei Nashen Pill Alleviates COPD by Targeting Endoplasmic Reticulum Stress Through the PERK/eIF2α Signaling Pathway

open access: yesImmunity, Inflammation and Disease, Volume 14, Issue 4, April 2026.
ABSTRACT Background Evidence supporting the therapeutic efficacy of Bufei Nashen pill (BFNSP) for chronic obstructive pulmonary disease (COPD) is currently limited. We evaluated BFNSP's effects on COPD progression and elucidated its potential mechanisms through LC/MS analysis of its active components.
Tengfei He, Anni Zhang, Changxi Zhang
wiley   +1 more source

Contributions to the flora of extra-tropical South America

open access: yesLilloa, 1942
The author draws up a list of species that constitutes a contribution to the flora of extratropical South America. Note of editor web: The pages 408-409 are missing.
Harold N. Moldenke
doaj  

Análise florística das pteridófitas do Parque Nacional da Restinga de Jurubatiba, Rio de Janeiro, Brasil Floristic analysis of the pteridophytes of the Restinga de Jurubatiba National Park, Rio de Janeiro, Brazil

open access: yesActa Botânica Brasílica, 2004
O Parque Nacional da Restinga de Jurubatiba, localizado no norte do Estado do Rio de Janeiro, abrange os municípios de Macaé, Carapebus e Quissamã. Foram registradas para a área de estudo 12 famílias com 21 gêneros e 32 espécies.
Marcelo Guerra Santos   +2 more
doaj   +1 more source

Antheridiogen production and response in Polypodiaceae species [PDF]

open access: yesAmerican Journal of Botany, 1997
Antheridiogen chemicals secreted by living fern gametophytes have been shown to influence production of male gametangia and thus mating systems in a large number of terrestrial fern species. Antheridiogens have not previously been thought to be prevalent in the Polypodiaceae, a large family composed mostly of tropical epiphytes.
W, Chiou, D, Farrar
openaire   +2 more sources

Holocene palaeoenvironmental reconstruction of sea level, coastal and vegetation changes along the southern Solway Firth, United Kingdom

open access: yesJournal of Quaternary Science, Volume 41, Issue 3, Page 419-432, April 2026.
ABSTRACT Holocene relative sea level (RSL) changes were reconstructed from four sites along the less‐studied southern Solway Firth. A multiproxy approach, including lithostratigraphical and biostratigraphical analyses, combined with radiocarbon dating, produced ten sea level index points (SLIPs).
Dayang Siti Maryam Binti Mohd Hanan   +3 more
wiley   +1 more source

Desenvolvimento de Polypodium hirsutissimum Raddi (Pteridophyta, Polypodiaceae) em condições naturais Development of Polypodium hirsuttissimum Raddi [Pteridophyta, Polypodiaceae[ in natural conditions

open access: yesActa Botânica Brasílica, 1993
Populações de gametófitos e esporófitos de Polypodium hirsutissimum ocorrentes em mata mesofítica semidecídua do Estado de São Paulo, foram acompanhadas em campo durante 24 meses e amostras coletadas para estudo em laboratório.
Marli A Ranal
doaj   +1 more source

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