Results 121 to 130 of about 3,844 (245)

Survey, characterisation and condition assessment of Palustriella dominated springs 'H7220 Petrifying springs with tufa formation (Cratoneurion)' in Gloucestershire, England [PDF]

open access: yes, 2017
Twenty-two Gloucestershire sites were surveyed between 18th and 29th January 2017. Gloucestershire, due to its geology, often steep topography, very high levels of saturated calcium carbonate associated with springs of the Stroud Valley area in ...
Farr, G., Graham, J.
core  

Solanopteris brunei, a Little-Known Fern Epiphyte with Dimorphic Stems

open access: yesAmerican Fern Journal, 1972
Although the stems of ferns tend to be of only one basic type-the rhizomethere are a number of striking variations known, both in internal structure and in gross morphology. In size alone, rhizomes vary from the massive upright trunks of certain tree ferns down to the almost filiform structures of many filmy ferns.
openaire   +2 more sources

Bryophytes of Uganda : 6., new and additional records, 3. [PDF]

open access: yes, 2003
12 hepatics and 32 mosses are reported new to Uganda, 1 moss being also new to Africa, and 1 liverwort new to mainland Africa. Ectropothecium plumigerum (Broth.) Hedenäs is a new combination (basionym: Isopterygium plumigerum Broth.) with a new synonym ...
Bates, J.E.   +10 more
core  

Leaf dimorphism of Microgramma squamulosa (Polypodiaceae): a qualitative and quantitative analysis focusing on adaptations to epiphytism

open access: yesRevista de Biología Tropical, 2013
The epiphytic fern Microgramma squamulosa occurs in the Neotropics and shows dimorphic sterile and fertile leaves. The present study aimed to describe and compare qualitatively and quantitatively macroscopic and microscopic structural characteristics of ...
Ledyane Dalgallo Rocha   +3 more
doaj  

Incidence of fern contamination in nodal segment cultures of Shorea parvifolia dyer [PDF]

open access: yes, 2013
The greatest drawback in large scale micropropagation of tropical woody forest species is high contamination of cultures. In developing a sterilization protocol for micropropagation of Shorea parvifolia Dyer utilizing nodal segments excised from nursery ...
Ab Shukor, Nor Aini   +3 more
core  

Influence of niche characteristics and forest type on fern species richness, abundance and plant size along an elevational gradient in Costa Rica [PDF]

open access: yes, 2018
An analysis of the fern vegetation on 156 plots along an elevational gradient (45-3400m) in undisturbed forests in Costa Rica, Central America, showed a hump-shaped pattern of species richness with a maximum of up to 68 species per 400m² at mid ...
Kessler, Michael, Kluge, Jürgen
core  

Diversity Of Epiphytic ferns in the cross river national park, Akamkpa, Nigeria as indicators of forest disturbance

open access: green, 2022
Nwaka Chioma Linda   +4 more
openalex   +2 more sources

How to Identify Rare and Endangered Ferns and Fern Allies [PDF]

open access: yes, 2008
Identification of rare and endangered plant species is the first requirement for any conservation programme. The IUCN guideline is the only available method to identify the rare and endangered species and it requires vast data on the wild population of ...
Benniamin, A.   +2 more
core   +1 more source

Asplenium uniseriale (Aspleniaceae): una nueva cita para la flora argentina y novedades respecto a su hábito Asplenium uniseriale (Aspleniaceae): a new record for the Argentina flora and news about their habit

open access: yesBoletín de la Sociedad Argentina de Botánica, 2011
Se cita por primera vez para Argentina Asplenium uniseriale Raddi coleccionada en el Parque Provincial Moconá, Misiones. De esta manera se extiende su área de distribución hacia el sur.
Agustina Yañez   +2 more
doaj  

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