Results 1 to 10 of about 5,698 (226)

Chromatographic analysis of selected phytosterols from Cyathea and their characterization by in silico docking to potential therapeutic targets. [PDF]

open access: yesCurr Res Toxicol, 2023
Separation and quantification of lupeol, stigmasterol and swertiamarin in ethanolic extracts of selected Cyathea species have been developed using HPTLC and an attempt is made to explore the biopotential of phytochemicals against various proteins by ...
Janakiraman N   +6 more
europepmc   +2 more sources

Relationship Between Endemic and Invasive Frogs on Grenada. [PDF]

open access: yesEcol Evol
The endemic Grenada frog (Pristimantis euphronides) is found only in high elevation cloud forests, habitat that is being invaded by the introduced Lesser Antillean frog (Eleutherodactylus johnstonei) and threatened by climate change. Between 2004 and 2020, our field team surveyed three key sites in the central highlands of Grenada to monitor ...
Harrison B, Beston J.
europepmc   +2 more sources

Sobre la presencia y situación de conservación de Cyathea delgadii (Cyatheaceae) en la Argentina [PDF]

open access: yesLilloa, 2014
Information on a small population of Cyathea delgadii (Cyatheaceae) founded in Corrientes Province, Argentina, is presented. The presence of this species in our country was in doubt after raising the height of the dam YacyretáSe presenta información ...
Keller, Hector Alejandro   +1 more
core   +3 more sources

Phenotypic plasticity underlies seasonal and latitudinal variation in thermal tolerance in a native bee. [PDF]

open access: yesEcology
Abstract Climate change threatens biodiversity and ecosystem services around the globe. Despite the importance of native bees as pollinators, there is evidence of global declines, and we know very little about how climate shapes their distributions now and into the future.
Elmer MC   +4 more
europepmc   +2 more sources

Efecto de la altitud, pendiente y exposición geográfica en la distribución de helechos arborescentes

open access: yesActa Botanica Mexicana, 2022
Antecedentes y Objetivos: El conocimiento de los rasgos topográficos de un sitio es importante para comprender la diversidad local y monitorear la respuesta de las plantas de alto interés de conservación al cambio climático o al cambio de uso de suelo ...
Pablo Antúnez   +4 more
doaj   +1 more source

Utilization of Pteridophyta species in Cyathea Park, Bali, as traditional medicine agents: A field study and meta-synthesis review

open access: yesNotulae Scientia Biologicae, 2023
Pteridophytes have been studied and preserved in botanical gardens. However, only a few have discovered and documented the medicinal properties of Pteridophyta species. This study aims to promote the utilization of Pteridophyta species in Taman Cyathea,
Ni Ketut Ayu JULIASIH   +1 more
doaj   +1 more source

In vitro spore germination and gametophyte development of two Cyathea species of South America in response to nutrient media

open access: yesRodriguésia, 2023
Cyathea corcovadensis and Cyathea phalerata are tree ferns native to Brazil, endangered in the state of Rio Grande do Sul. Spore germination and gametophyte development in media with different nutrient formulations and activated charcoal were evaluated ...
Catiuscia Marcon   +3 more
doaj   +1 more source

Distribution, habitat preferences and population sizes of two threatened tree ferns, Cyathea cunninghamii and Cyathea x marcescens, in south-eastern Australia [PDF]

open access: yes, 2013
The distribution, population sizes and habitat preferences of the rare tree ferns Cyathea cunninghamii Hook.f. (Slender Tree Fern) and F1 hybrid Cyathea x marcescens N.A.Wakef.
Brownsey, Patrick   +3 more
core   +1 more source

Species richness of Cyatheales in the upper Santo Domingo Canyon, Antioquia, Colombia [PDF]

open access: yesCheck List
The Regional Protective Forest Reserve of the Canyons of the Melcocho and Santo Domingo Rivers in eastern Antioquia, Colombia, spans 26,533 ha with elevations from 706 to 2,937 m above sea level.
Andrés Montoya-López, Marcus Lehnert
doaj   +3 more sources

Variation of Three Co-occurring Taxa of the Genus Cyathea in Singharaja and Kanneliya Lowland Rain Forests of Sri Lanka

open access: yesTropical Agricultural Research, 2010
The objective of this study was to identify variation of three co-occurring taxa of the genus Cyathea at Singharaja and Kannelliya forests. Fifty three mature individuals were sampled from both forests for morphological variation, reproductive biology ...
RHG Ranil   +4 more
doaj   +1 more source

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