Results 21 to 30 of about 131 (108)

The prothallium and embryo of Danaea

open access: yesAnnals of Botany, 1909
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Flora das cangas da Serra dos Carajás, Pará, Brasil: Marattiaceae

open access: yesRodriguésia
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
doaj   +1 more source

A Filmy Danaea

open access: yesAmerican Fern Journal, 1982
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Fern spore dispersal: A methodological review and experimental field study

open access: yesApplications in Plant Sciences, Volume 14, Issue 1, January-February 2026.
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

Danaea Smith 1793

open access: yesPhytotaxa
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 ...
  +7 more sources

Speciation, dispersal and the build‐up of fern diversity in the American tropics

open access: yesEcography, Volume 2025, Issue 11, November 2025.
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

Stipular buds in a natural population of Danaea nodosa (Marattiaceae) in gallery forest from Brazilian Savanna

open access: yesRodriguésia
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
doaj   +1 more source

Licófitas e monilófitas das Unidades de Conservação da Usina Hidroelétrica - UHE de Tucuruí, Pará, Brasil

open access: yesHoehnea
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
doaj   +1 more source

TAXONOMIC NOTES IN Danaea SM. (MARATTIACEAE) FROM COSTA RICA, PANAMA, AND COLOMBIA

open access: yesActualidades Biológicas, 2013
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

open access: yesRevista de Biología Tropical, 2006
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  

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