Results 51 to 60 of about 4,414 (154)

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 3., description of dollecting sites, the vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda [PDF]

open access: yes, 1993
During the BRYOTROP-Expedition in 1991, 71 collecting sites could be visited. These are situated in the Kahuzi-Biega-National Park/Zaire, the Nyungwe Forest and the Virunga volcanoes/Rwanda.
Fischer, Eberhard
core  

Adaptive plant traits under anthropogenic burning regimes: A database for UK heath and mire plant species

open access: yesAmerican Journal of Botany, Volume 112, Issue 10, October 2025.
Abstract Premise Humans have used fire to manage landscapes for millennia, but this use of fire is declining in many ecosystems. Understanding how plants respond to these changes is key to predicting ecosystem resilience and impacts on services such as biodiversity and carbon sequestration. However, many ecosystems lack data on plant fire responses.
Kimberley J. Simpson   +2 more
wiley   +1 more source

Huperzia reflexa y Lycopodiella cernua (Lycopodiales-Pteridophyta): dos nuevas citas para el NO de la Argentina y actualizaciones sobre su morfología [PDF]

open access: yes, 2010
Huperzia reflexa and Lycopodiella cernua are recorded for the first time for the northwest of Argentina; along with the new records, the characters of the leaf morphology and spores are analyzed, and updated descriptions and geographical distribution of ...
Martínez, Olga G.   +2 more
core   +1 more source

Estimation of Population Size of Dentaria Enneaphyllos in the Vicinity of the Bełchatów Brown Coal Mine and the Attempt of its Metaplantation [PDF]

open access: yes, 2011
The impact of anthropopressure on the flora in the vicinity of the Bełchatów Brown Coal Mine in Central Poland has been substantially strong. Consequently, certain changes in habitat conditions have been observed, leading to a decline in particular ...
Koczywąs, Ewelina   +2 more
core   +2 more sources

Phytochemical Nanoparticles for the Treatment of Neurological Disorders

open access: yesPhytochemical Analysis, Volume 36, Issue 7, Page 1918-1935, October 2025.
ABSTRACT Neurological disorders impose a significant burden on the healthcare systems. The latest published data by WHO indicated that stroke was the second leading cause of death globally in 2020, with Alzheimer's disease (AD) and other dementias in the seventh position.
Touraj Ehtezazi, Satyajit D. Sarker
wiley   +1 more source

A taxonomic revision of Phlegmariurus Holub (Lycopodiaceae) from China

open access: yesGuangxi Zhiwu, 2023
Plants of the lycophyte genus Phlegmariurus contain the chemical compound Huperzine A, the effective medicinal component treating Alzheimer's disease, thus with huge economic value.
Rihong JIANG   +2 more
doaj   +1 more source

Inhibition of Connexin43 hemichannels impairs spatial short-term memory without affecting spatial working memory [PDF]

open access: yes, 2016
Astrocytes are active players in higher brain function as they can release gliotransmitters, which are essential for synaptic plasticity. Various mechanisms have been proposed for gliotransmission, including vesicular mechanisms as well as non-vesicular ...
Albertini, Giulia   +5 more
core   +2 more sources

The onset of grasses in the Amazon drainage basin, evidence from the fossil record [PDF]

open access: yes, 2020
Poaceae (the grass family) originated in the Cretaceous, but first dominate the palynological records of the Amazon drainage basin (ADB) in the Neogene (23 to 2.5 million years ago (Ma)).
Hoorn, Carina, Kirschner, Judith A.
core   +3 more sources

Taxonomic corrections and new records for vascular plants of Kyrgyzstan, 6

open access: yesNordic Journal of Botany, Volume 2025, Issue 9, September 2025.
A series of notes on taxonomy, nomenclature, morphology and distributions of native species of vascular plants in Kyrgyzstan is presented. Anaphalis roseoalba is treated as a synonym of A. virgata; Hippolytia herderi and H. megacephala are new synonyms of H. senecionis; Hippolytia darvasica and H. schugnanica are new synonyms of H. tomentosa; Campanula
Alexander N. Sennikov   +4 more
wiley   +1 more source

REVISIÓN DE LAS LYCOPODIACEAE (EMBRYOPSIDA, LYCOPODIIDAE) DE ARGENTINA Y URUGUAY

open access: yesDarwiniana, 2012
Se presenta una revisión de las Lycopodiaceae de Argentina y Uruguay basada en el estudio de las colecciones relevantes de los herbarios argentinos y uruguayos, así como de la literatura, acorde a la nueva clasificación de 16 géneros distribuidos en tres
Marcelo D. Arana, Benjamin Øllgaard
doaj  

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