Results 21 to 30 of about 131 (108)
The prothallium and embryo of Danaea
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Flora das cangas da Serra dos Carajás, Pará, Brasil: Marattiaceae
Resumo Este estudo trata os táxons da família Marattiaceae encontrados nas formações ferríferas da Serra dos Carajás, estado do Pará, com descrições, imagens, distribuição e comentários.
Alexandre Salino, Lucas Vieira Lima
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Fern spore dispersal: A methodological review and experimental field study
Abstract Spore dispersal is one of the most important but perhaps the least investigated and understood processes in determining the geographical distribution of fern species. After a methodological review of the aerobiology of fern spores, we examined the impact of spore characteristics and meteorological factors on their airborne dispersal.
Felipe Gómez‐Noguez +6 more
wiley +1 more source
Key to the species of Danaea in the Greater Antilles Notes:—In various cases herbarium material may be difficult to identify, because characters like the rhizome position, habit and positioning of the leaves are not preserved. I have attempted an identification key, but admit that some species are difficult to diagnose based on herbarium material ...
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Speciation, dispersal and the build‐up of fern diversity in the American tropics
Understanding how the remarkable biodiversity of the American tropics developed has been a long‐standing question, yet knowledge gaps remain. Previous studies examined the roles of bioregions in shaping diversity patterns but often overlooked speciation, a critical driver of species richness, and insufficiently accounted for temporal changes in ...
Laura Kragh Frederiksen +2 more
wiley +1 more source
The occurrence of stipular buds is commonly observed in Marattiaceae under controlled conditions. In this study, is described the development of stipular buds in a population of Danaea nodosa located into a gallery forest of the Brazilian savanna.
Carlos Rodrigo Lehn +1 more
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O presente estudo refere-se às espécies de licófitas e monilófitas ocorrentes nas Zonas de Preservação da Vida Silvestre da Usina Hidroelétrica de Tucuruí, Estado do Pará, Brasil.
Rozijane Santos Fernandes +2 more
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TAXONOMIC NOTES IN Danaea SM. (MARATTIACEAE) FROM COSTA RICA, PANAMA, AND COLOMBIA
Three new species of Danaea are described here: D. epilithica A. Rojas, D. macrophylla A. Rojas and D. moralesiana A. Rojas. The first species differs from Danaea nodosa (L.) Sm.
Alexander F. Rojas-Alvarado
doaj
Una nueva especie de helecho del género Danaea (Marattiales: Marattiaceae) endémica de Costa Rica
Se describe e ilustra una especie nueva endémica de helecho de Costa Rica, Danaea tuomistoana A. Rojas (Marattiaceae), caracterizada porque las pinnas son incisas 2/5-1/2 entre la costa y el margen, y son cuneadas en la base.
Alexander Fco Rojas Alvarado
doaj

