Results 1 to 10 of about 6,429 (214)

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

Spore Morphology of Selected Pteridophytes Found in the Western Ghats of India

open access: yes, 2021
The currents study evaluated the morphology (apperture, size, perine structures and surface ornamentation) of treated spores of 45 selected fern species from the Western Ghats of India, using Scanning Electron Microspcopy (SEM).
Shaiesh Morajkar, S. Sajeev, S. Hegde
semanticscholar   +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

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

CHROMOSOME NUMBERS OF CHILEAN PTERIDOPHYTES: FIRST CONTRIBUTION

open access: yes, 2020
Mitotic chromosome counts in Chilean pteridophytes confirm the diploidy described for Equisetum L. (2n = 216) and Blechnum L. (2n = 66), as well as the tetraploidy of Asplenium L. (2n = 144). Megalastrum spectabile (Kaulf.) A.R.Sm.
Pedro Jara-Seguel   +2 more
semanticscholar   +1 more source

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

Pteridophyte distribution of the Urals and adjacent areas: a dataset [PDF]

open access: yesBiodiversity Data Journal, 2021
Data on the species diversity and distribution of pteridophytes (lycophytes and ferns) in the Urals and adjacent areas are presented. The dataset includes 13,742 observations of two classes Lycopodiopsida and Polypodiopsida.
Denis Melnikov   +21 more
doaj   +3 more sources

A taxonomic and molecular survey of the pteridophytes of the Nectandra Cloud Forest Reserve, Costa Rica

open access: yesPLoS ONE, 2020
Floristic surveys are crucial to the conservation of biodiversity, but the vast majority of such surveys are limited to listing species names, and few take into account the evolutionary history of species.
Joel H. Nitta, A. Ebihara, Alan R. Smith
semanticscholar   +1 more source

Pteridophyta collected in the Kivu Zone of Zaire

open access: yesActa Societatis Botanicorum Poloniae, 2014
A list is given of 50 taxa of pteridophytes collected in 1983 in the Kivu Zone of Zaire by K. A. Nowak and identified in KRA by J. Kornaś. Twenty six of these taxa have not been indicated for the Kivu Zone in the recent revision of the pteridophytes of ...
Jan Kornaś, Kazimierz A. Nowak
doaj   +1 more source

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