Results 61 to 70 of about 1,387 (122)

CATÁLOGO DE LAS PTERIDÓFITAS DE LA REGIÓN LA LIBERTAD, PERÚ [PDF]

open access: yes, 2017
Se da a conocer un catálogo de 239 especies de pteridófitas, ordenadas en 22 familias y 60 géneros, existentes en la región La Libertad, Perú. El estudio estuvo basado en la revisión de material depositado o referenciado preferentemente en los herbarios ...
Aguirre Tocas, Roxana   +3 more
core   +1 more source

Mesoamerican roots: the biogeographic history of the fern genus Pleopeltis [PDF]

open access: yes
The genus Pleopeltis stands out for its high species richness in tropical montane regions and its disjunct neotropical-afrotropical distribution, with most species occurring in the Neotropics.
Almeida, Thaís Elias   +4 more
core   +2 more sources

LYCOPODIACEAE DI KAWASAN SICIKE-CIKE, SUMATRA UTARA [PDF]

open access: yes, 2015
Research of Lycopodiaceae has been done in the area of forest Sicike-cike, North Sumatra. Research conducted in April 2011 with an exploratory method. Based on the results of the research there are 6 types of Lycopodiaceae found in this district namely ...
Hartini, Sri
core   +2 more sources

The ecology and evolution of fungal symbiosis in ancient land plants [PDF]

open access: yes, 2019
Mycorrhizas are the mutualistic symbioses shared between fungi and the vast majority of land plants. These relationships provide present day plants with many nutritional and functional benefits and were key to the movement of plants onto land over 500 ...
Rimington, William Robert
core   +1 more source

Extraordinary preservation of gene collinearity over three hundred million years revealed in homosporous lycophytes [PDF]

open access: yes
Homosporous lycophytes (Lycopodiaceae) are a deeply diverged lineage in the plant tree of life, having split from heterosporous lycophytes (Selaginella and Isoetes) ~400 Mya. Compared to the heterosporous lineage, Lycopodiaceae has markedly larger genome
Barry, Kerrie   +24 more
core   +1 more source

Aislamiento de hongos endófitos de Phlegmariurus taxifolius productores de huperzina a [PDF]

open access: yes, 2020
RESUMEN La enfermedad de Alzheimer (EA) es un trastorno neurodegenerativo e irreversible que afecta principalmente a personas de edad avanzada. Actualmente 50 millones de personas viven con demencia alrededor del mundo, dos tercios padecen la EA. La
OLGA LIDIA CRUZ MIRANDA
core  

Efecto prosexual de una planta autóctona usada en la etnomedicina [PDF]

open access: yes, 2017
Tesis (Doctora en Ciencias Químicas) - - Universidad Nacional de Córdoba. Facultad de Ciencias Químicas, 2017Efecto prosexual de una planta autóctona usada en la etnomedicina. Phlegmariurus saururus (Lam.) B.
Birri, Marcela Alejandra
core  

Esporogénesis, esporodermo y ornamentaciónde esporas maduras en Lycopodiaceae

open access: yesRevista de Biología Tropical, 2014
Estudios sobre aspectos reproductivos, morfología y ultraestructura de las esporas de Lycopodiaceae no son abundantes en la literatura científica y constituyen información esencial para apoyar las relaciones taxonómicas y sistemáticas en el grupo. Con el
Edgar Javier Rincón Baron   +4 more
doaj  

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