Results 11 to 20 of about 5,514 (193)
The scaly tree ferns (Cyatheaceae-Polypodiopsida) of Brazil [PDF]
Acta Botânica Brasílica, 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
doaj +5 more sources
Nephrolepis (Lomariopsidaceae - Polypodiopsida) na Amazônia brasileira [PDF]
Rodriguésia, 2016 As espécies de Nephrolepis , segundo especialistas, são consideradas confusas do ponto de vista taxonômico, principalmente quanto aos caracteres morfológicos usados para definir os táxons restritos ao continente americano. No total, o gênero apresenta 19
Sebastião Maciel
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Was the Dry Diagonal of South America a Barrier for Dispersing Pteridaceae (Polypodiopsida) Species Between the Brazilian Atlantic Forest and Amazon Forest? [PDF]
Journal of Biogeography, Volume 52, Issue 8, August 2025.We sought to assess how phylogenetic patterns within the fern family Pteridaceae are related to the history of the Amazon Forest and the Brazilian Atlantic Forest, as well as the Dry Diagonal of South America. The age of taxa present in these regions was
A. Della +3 more
semanticscholar +3 more sources
Miscellaneous notes on the fern family Blechnaceae (Polypodiopsida) from Tropical America [PDF]
RodriguésiaWe 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 +1 more
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Aspleniaceae (Polypodiopsida) in the state of Mato Grosso, Brazil
Rodriguésia, 2023 We present a floristic-taxonomic survey of the species of Aspleniaceae in Mato Grosso as part of a series on the flora of lycophytes and ferns in this state. The study is based on an analysis of national and foreign herbaria specimens.
Lana da Silva Sylvestre +2 more
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Niche Differentiation of Three Terrestrial Isopod Species Based on DNA Metabarcoding [PDF]
Ecology and EvolutionSpecies 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
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Thelypteridaceae (Polypodiopsida) do Estado do Maranhão, Nordeste do Brasil [PDF]
HoehneaRESUMO Este trabalho apresenta uma lista das espécies de Thelypteridaceae que ocorrem no Estado do Maranhão, assim como fornece chave de identificação, descrições e comentários para as espécies da família.
Sirlane Santos Oliveira +2 more
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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 ...
P. Wąsowicz
semanticscholar +5 more sources
Anatomi Bentuk dan Tipe Spora Pteridophyta dari Kelas Polypodiopsida
BioEksakta : Jurnal Ilmiah Biologi UnsoedBentuk spora tumbuhan paku bermacam-macam, tetapi sebagian besar memiliki bentuk elips atau bilateral, bulat, ginjal, dan segi tiga. Tipe apertura spora pada tumbuhan paku secara umum dibedakan menjadi dua tipe yaitu monolet dan trilete.
Hasbi Assidiqi Nasution +3 more
semanticscholar +4 more sources
LilloaSe cita a Adiantopsis orbygniana (Pteridaceae) por primera vez para la flora de Tucumán, Argentina, en la provincia biogeográfica de las Yungas (distrito de las Selvas de transición). Éste constituye el registro más austral de la especie.
Alberto Slanis +3 more
doaj +4 more sources