Results 11 to 20 of about 9,814 (224)

Homogenisation of Vegetation in Irish Semi-Natural Grasslands. [PDF]

open access: yesEcol Evol
A re‐survey of 12 Irish grassland sites revealed a decrease in species number and an apparent shift towards homogeneity of species diversity over the last 12–15 years. This raises concerns about management and species diversity/conservation. ABSTRACT Grasslands represent an important source of vegetative diversity and provide a range of important ...
Lynch Milner O   +3 more
europepmc   +2 more sources

A new species of Blechnum L. (Blechnaceae, Polypodiopsida) from central-western Brazil, with an updated key to the species in the country

open access: yesActa Botânica Brasílica, 2022
We describe a new species of Blechnum from Mato Grosso, Brazil: Blechnum rivulorum sp. nov. This new species was discovered as a result of visits to the herbaria BM, K, P, PR, and S, as part of the Reflora Project, by the first author.
Vinícius Antonio de Oliveira Dittrich   +2 more
doaj   +1 more source

Ferns and Lycophytes from the Estação Ecológica Serra Geral do Tocantins: a contribution to the flora of the Jalapão, Brazil

open access: yesRodriguésia, 2023
This study contributes to the flora of ferns and lycophytes, also referred to as pteridophytes, from the Estação Ecológica Serra Geral do Tocantins (EESGT), which is part of the Jalapão region in Tocantins.
Bianca Schindler   +6 more
doaj   +1 more source

An inventory of the Pteridophytic flora of Balpakram-Baghmara Landscape (BBL), South Garo Hills, Meghalaya, India

open access: yesMongolian Journal of Biological Sciences, 2022
In the present study the Pteridophytic flora of Balpakram-Baghmara Landscape (BBL) of South Garo Hill district, Meghalaya (India) is systematically inventoried containing 76 taxa belong to 44 genera under 22 families.
Dilip Kumar Roy, Jintu Sarma
doaj   +1 more source

Synthesis and Biological Evaluation of Theophylline Methyl 1,3,4-Oxadiazole as Anticancer Agents [PDF]

open access: yes, 2020
A series of theophylline methyl 1,3,4-oxadiazole small molecules were obtained via cyclization of theophylline-7-acetohydrazide with different benzoic acids. The compounds (IVa-j) were synthesized and characterized by using conventional methods.
Gopinatha, Vindya K.   +4 more
core   +1 more source

Pteridophytes as ecological indicators: an overview

open access: yesHoehnea, 2019
The pteridophytes present a great but poorly explored potential as ecological indicators (EIs), shown only in some sparse studies. Therefore, to analyze this potential, we reviewed published articles, websites, or books with pteridophytes as EIs ...
Aline Possamai Della   +1 more
doaj   +1 more source

Green Plants in the Red: A Baseline Global Assessment for the IUCN Sampled Red List Index for Plants [PDF]

open access: yes, 2015
Plants provide fundamental support systems for life on Earth and are the basis for all terrestrial ecosystems; a decline in plant diversity will be detrimental to all other groups of organisms including humans. Decline in plant diversity has been hard to
Albuquerque, S   +54 more
core   +1 more source

Diversity and distribution of pteridophytes in Hattian Jhellum valley Azad Kashmir Pakistan

open access: yesKashmir Journal of Science
Pteridophytes are central group of ecological succession in an ecosystem, which provide suitable microhabitat for their developments and sustainability.
Asma Haider   +3 more
doaj   +3 more sources

Threatened lycophytes and ferns in four Protected Areas of Mindanao, Philippines

open access: yesNature Conservation Research: Заповедная наука, 2020
There are nearly a thousand threatened species of vascular plants in the Philippines and of which about 12% are lycophytes and ferns. However, there are not enough data on the distribution of the species.
Fulgent P. Coritico, Victor B. Amoroso
doaj   +1 more source

Diversity and distribution of ferns and lycophytes in areas of restinga sandy coastal plain in south of Santa Catarina, Brazil

open access: yesRodriguésia, 2023
Ferns and lycophytes are plants often overlooked in most floristic inventories, leading to considerable gaps in the knowledge of their diversity and geographic distribution. To address this issue, we conducted a study aimed at reducing these gaps for the
Arthur Oliveira Garcia   +6 more
doaj   +1 more source

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