Results 21 to 30 of about 16,690 (253)

What is a tree in the mediterranean basin hotspot? A critical analysis [PDF]

open access: yes, 2019
Background: Tree species represent 20% of the vascular plant species worldwide and they play a crucial role in the global functioning of the biosphere. The Mediterranean Basin is one of the 36 world biodiversity hotspots, and it is estimated that forests
Arroyo Marín, Juan   +7 more
core   +1 more source

The Evaluations Of Taxonomic Classifications In The Genus Trifolium L. Based On ITS Sequences

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022
The genus Trifolium L. belonging to family Fabaceae is represented by about 255 species in the world. Two classifications based on the sections or subgenus are commonly used by the researchers in the taxonomically evaluation of the genus Trifolium ...
Yudum Yeltekin, Aykut Yılmaz
doaj   +1 more source

Paleogene monsoons across India and South China: Drivers of biotic change [PDF]

open access: yes, 2017
Monsoonal climates at low latitudes (2. Fossil leaf form reveals that under such 'hothouse' conditions megathermal early Eocene to earliest Miocene forests were exposed to strong monsoonal climates typical of those experienced today arising from annual ...
Aleksandrova, Galina   +13 more
core   +1 more source

Implementation of machine learning in DNA barcoding for determining the plant family taxonomy

open access: yesHeliyon, 2023
The DNA barcoding approach has been used extensively in taxonomy and phylogenetics. The differences in certain DNA sequences are able to differentiate and help classify organisms into taxa. It has been used in cases of taxonomic disputes where morphology
Lala Septem Riza   +5 more
doaj   +1 more source

Characterization of quaternary ammonium compounds in Flourensia xerophytic communities and response to UV-B radiation [PDF]

open access: yes, 2014
As part of ongoing studies aimed at characterizing molecular components involved in the ecophysiological adaptations of native xerophytic plants from central Argentina, we demonstrated the presence of compatible solutes in Flourensia campestris (FC) and ...
Cantero, Juan Jose   +6 more
core   +1 more source

A comprehensive guide to the Argentinian case-bearer beetle fauna (Coleoptera: Chrysomelidae: Camptosomata) [PDF]

open access: yes, 2017
Knowledge of Argentinian Camptosomata has largely remained static for the last 60 years since the last publication by Francisco de Asis Monrós in the 1950’s.
Agrain, Federico Alejandro   +4 more
core   +6 more sources

The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]

open access: yes, 2019
Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian   +3 more
core   +1 more source

Colleters in Cephalanthus (Rubiaceae) and reevaluation of occurrence of corolline colleters in Angiosperms

open access: yesAnais da Academia Brasileira de Ciências, 2022
Colleters are glandular structures related to young shoots protection. In several Angiosperm families, as in Rubiaceae colleters are taxonomically important.
MARÍA FLORENCIA ROMERO   +2 more
doaj   +1 more source

Plant dispersal across the tropical Atlantic by wind and sea currents [PDF]

open access: yes, 2004
This review brings together evidence on the monophyly and ages of angiosperm lineages ranging across the tropical Atlantic with data on the direction, strength, and speed of sea currents and wind jets across that ocean. Mainly for pragmatic reasons (data
Renner, Susanne S.
core   +1 more source

Interstitial Arabidopsis-Type Telomeric Repeats in Asteraceae

open access: yesPlants, 2021
Tandem repeats of telomeric-like motifs at intra-chromosomal regions, known as interstitial telomeric repeats (ITR), have drawn attention as potential markers of structural changes, which might convey information about evolutionary relationships if ...
Alexis J. Maravilla   +4 more
doaj   +1 more source

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