Results 11 to 20 of about 3,733 (217)

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   +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

Origins of the seed: The “golden-trio hypothesis”

open access: yesFrontiers in Plant Science, 2022
The seed is an evolutionary innovation in the plant kingdom. While human civilization depends heavily on seed production, how the seed trait emerged remains elusive.
Shu-Nong Bai, Guang-Yuan Rao, Ji Yang
doaj   +1 more source

Patterns and drivers of phylogenetic structure of pteridophytes in China

open access: yes, 2021
Aim: Previous studies have found strikingly different geographical patterns of phylogenetic diversity of gymnosperms and angiosperms, which have been suggested to result, in part, from the greater age of the former.
Deng, Tao; https://orcid.org/   +3 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

Biogeographical determinants of pteridophytes and spermatophytes on oceanic archipelagos

open access: yes, 2011
Using the data from six oceanic archipelagos, we investigated the species richness patterns on islands for all natives, archipelagic endemics and single-island endemics of pteridophytes and spermatophytes.
KOSTAS A. TRIANTIS   +11 more
core   +3 more sources

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