Results 41 to 50 of about 159 (70)

Culcita macrocarpa Presl.: phylogenetic position and study of reproductive biology in natural populations of an endangered fern [PDF]

open access: yes, 2020
[Resumen]: Culcita macrocarpa es un helecho relicto que se encuentra amenazado debido a la desaparición de su hábitat. En este trabajo se analiza la viabilidad de las esporas como reflejo de la fitness poblacional y se relaciona con el tamaño de las ...
Hermida Vázquez, María
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Phytochemische Untersuchungen am Baumfarn Metaxya rostrata [PDF]

open access: yes, 2010
Wässrige Suspensionen des getrockneten Rhizoms des Baumfarns Metaxya rostrata finden in der Ethnomedizin Costa Ricas bei Erkrankungen des Magen-Darm-Trakts, wie Ulcera oder Geschwüren, Anwendung [1]. Da nur wenig phytochemisches Wissen über diese Pflanze
Merkinger, Barbara
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Evolutionary history of ferns and the use of ferns and lycophytes in ecological studies [PDF]

open access: yes, 2019
Tropical areas represent the region with the highest diversity in the world. In plants, one major radiation having this high diversity is ferns, the sister lineage of seed plants, which, together with lycophytes, another group of free-sporing vascular ...
Cárdenas Ramírez, Glenda Gabriela
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Insights, Spring, 2002 [PDF]

open access: yes, 2001
Bi-annual alumni newsletter for the College of Science of Utah State University in Logan.https://digitalcommons.usu.edu/discovery/1016/thumbnail ...
Utah State University
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Pteridophyta I : Culcitaceae, Dicksoniaceae, Lophosoriaceae, Toxsomataceae, Metaxyaceae, Plagiogyriaceae

open access: yes, 1988
ilustraciones, fotografías, mapas Presentamos aquí los resultados de los estudios taxonom1cos, ecológicos y morfológicos de seis familias de Pteridofitos, y aunque hemos tenido la oportunidad de observa.r material de otros países, debemos aclarar que nos referiremos muy específicamente a plantas colombianas. El tratamiento taxonómico que hemos escogido
openaire   +1 more source

Systematics of Peninsular Malaysian Scaly Tree Ferns (Cyatheaceae): phylogenetics, computer-aided identification and conservation [PDF]

open access: yes
The work presented in this thesis evaluates the status of Peninsular Malaysian Cyatheaceae and used molecular and morphological identification tools for the local species.
Jamaludin, Azi Azeyanty
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DNA barcoding of Jatropha curcas [PDF]

open access: yes, 2013
DNA barcoding involves sequencing a standard region of DNA to be used as a tool for rapid species identification. The cytochrome C oxidase gene (COXI) is widely accepted as the standard barcode for animals and currently there is no barcode for land ...
Stephens, Terence L.
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Phytochemische Untersuchungen der Nebenwurzeln von Metaxya rostrata [PDF]

open access: yes, 2011
Von den einheimischen Heilern Costa Ricas wird die wässrige Suspension des getrockneten Rhizoms des Baumfarns Metaxya rostrata zur Behandlung von Magen – Darm – Erkrankungen, wie Ulcera und Geschwüren, eingesetzt [1].
Pemmer, Teresa Katharina
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Estudo da viabilidade de esporos e do crescimento inicial de quatro espécies nativas de pteridófitas da floresta ombrófila densa atlântica [PDF]

open access: yes, 2004
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-Graduação em Biologia Vegetal.As pteridófitas constituem um importante grupo de organismos da flora brasileira.
Hiendlmayer, Rosane
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Sumário [PDF]

open access: yes, 2015
Catarinense, Acta Biológica
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