Results 51 to 60 of about 59,270 (253)

The genome sequence of common fleabane, Pulicaria dysenterica (L.) Bernh. (Asteraceae) [version 1; peer review: 2 approved]

open access: yesWellcome Open Research, 2023
We present a genome assembly from an individual Pulicaria dysenterica (common fleabane; Tracheophyta; Magnoliopsida; Asterales; Asteraceae). The genome sequence is 833.2 megabases in span.
Maarten J. M. Christenhusz   +1 more
doaj   +1 more source

Estudio comparativo morfológico y micrográfico de las hojas de Digitalis lanata Ehrh. y Digitalis purpurea L.

open access: yesLilloa, 2022
El autor presenta estudios comparativos de las hojas de Digitalis purpurea L. y D. lanata Ehrh. porque ambas especies son de gran interés farmacológico. El material examinado fue cultivado por el autor en la ciudad de Córdoba.
José Carlomagno
doaj  

Extrapolating demography with climate, proximity and phylogeny: approach with caution [PDF]

open access: yes, 2016
Plant population responses are key to understanding the effects of threats such as climate change and invasions. However, we lack demographic data for most species, and the data we have are often geographically aggregated.
Buckley, Y.M.   +3 more
core   +4 more sources

Variability of morphological parameters of Trapa natans (Trapaceae, Magnoliópsida) during reintroduction into water bodies of the Saratov region from those of the Voronezh region

open access: yesPovolzhskiy Journal of Ecology, 2022
The fruits of Trapa natans L. s. l. (Trapaceae), which has disappeared from the territory of the Saratov region, collected in the floodplain lakes of the Khoper river in the Voronezh region (Novokhopersky district), were sown in the fall of 2019 and ...
A. S. Parkhomenko   +7 more
semanticscholar   +1 more source

Características morfológicas, anatômicas e citológicas da epiderme inferior da fôlha das Rubiaceae

open access: yesLilloa, 2022
El autor establece veinticuatro caracteres morfológicos, anatómicos y citológicos que se presentan en la epidermis inferior de la hoja de las 517 especies de Rubiaceae (distribuidas en 108 géneros). Creyó conveniente elaborar dos tablas que mostraran la
Walter Radamés Accorsi
doaj  

Resources and ontogenetic structure of cenopopulations of the genus Viola (Violaceae, Magnoliópsida) in the Right Volga bank of the Saratov region

open access: yesPovolzhskiy Journal of Ecology, 2022
The results of our studies of resources and the state of coenopopulations of three species from the genus Viola, namely, V. canina L., V. tricolor L., and V.
E. B. Smirnova   +4 more
semanticscholar   +1 more source

Ecotoxicity Thresholds for Ametryn, Diuron, Hexazinone and Simazine in Fresh and Marine Waters [PDF]

open access: yes, 2018
Triazine and urea herbicides are two groups of photosystem II inhibiting herbicides frequently detected in surface, ground and marine waters. Yet, there are few water quality guidelines for herbicides. Ecotoxicity thresholds (ETs) for ametryn, hexazinone
A Claver   +27 more
core   +1 more source

Contrasting human perceptions of and attitudes towards two threatened small carnivores, Lycalopex fulvipes and Leopardus guigna, in rural communities adjacent to protected areas in Chile [PDF]

open access: yes, 2018
Indexación: Scopus.The interaction between humans and small carnivores is a phenomenon especially frequent in rural fringes, as is the case of communities surrounding natural areas. In Chile, two species of threatened carnivores, the Darwin's Fox and the
Acuña, F.   +7 more
core   +1 more source

Oxalis tetraphylla (Class: Magnoliopsidae) Possess Flavonoid Phytoconstituents with Nematocidal Activity against Haemonchus contortus

open access: yesPathogens, 2022
The nematocidal activity of an Oxalis tetraphylla hydroalcoholic extract against the nematode Haemonchus contortus (Hc) was assessed in vitro and the major compounds associated with nematocidal activity were identified. One hydroalcoholic extract was obtained from O. tetraphylla stems and leaves (Ot HE-SLE). The in vitro lethal concentrations (LC50 and
Ana Yuridia Ocampo-Gutiérrez   +8 more
openaire   +3 more sources

Guía de especies vegetales de la cuenca mediterránea aptas para revegetación: Adecuación para zonas degradadas y contaminadas [PDF]

open access: yes, 2019
La guía contiene información de especies de plantas de la cuenca mediterránea, adecuadas para utilizar en revegetación de zonas degradadas y/o contaminadas con presencia de metales pesados, siguiendo diferentes criterios medioambientales y paisajísticos ...
Conesa Gallego, Encarnación   +4 more
core   +3 more sources

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