Results 21 to 30 of about 46,913 (176)

Pollen morphology of family Solanaceae and its taxonomic significance.

open access: yesAnais da Academia Brasileira de Ciências, 2020
The pollen micro-morphology of family Solanaceae from the different phytogeographical region of Pakistan has been assessed. In this study, thirteen species belonging to ten genera of Solanaceae have been studied using light and scanning electron ...
S. Ashfaq   +7 more
semanticscholar   +1 more source

Evolutionary ecology of sympatric Catocala moths (Lepidoptera: Noctuidae) 2. Sampling for wild larvae on their foodplants

open access: yesThe journal of research on the Lepidoptera, 1991
Phenologies and foodplant use are documented for wild larvae of 13 species of Nearctic Catocala moths whose larvae feed on trees and shrubs in the plant families Juglandaceae, Fagaceae, and Myricaceae.
L. Gall
semanticscholar   +1 more source

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

An updated taxonomic framework of Hymenochaetales (Agaricomycetes, Basidiomycota)

open access: yesMycosphere, 2023
Hymenochaetales is one of the fungal orders being mainly composed of wood-inhabiting macrofungi within Agaricomycetes , Basidiomycota . While the species diversity has been well explored, the classification of Hymenochaetales at the family level is still
Xw Wang, Sl Liu, LW Zhou
semanticscholar   +1 more source

Annual (2023) taxonomic update of RNA-directed RNA polymerase-encoding negative-sense RNA viruses (realm Riboviria: kingdom Orthornavirae: phylum Negarnaviricota)

open access: yesJournal of General Virology, 2023
In April 2023, following the annual International Committee on Taxonomy of Viruses (ICTV) ratification vote on newly proposed taxa, the phylum Negarnaviricota was amended and emended.
J. Kuhn   +186 more
semanticscholar   +1 more source

A single evolutionary innovation drives the deep evolution of symbiotic N2-fixation in angiosperms [PDF]

open access: yes, 2014
Symbiotic associations occur in every habitat on earth, but we know very little about their evolutionary histories. Current models of trait evolution cannot adequately reconstruct the deep history of symbiotic innovation, because they assume homogenous ...
A Barve   +53 more
core   +2 more sources

Commodity risk assessment of debarked conifer wood chips fumigated with sulfuryl fluoride from the US. [PDF]

open access: yesEFSA J
Abstract The European Commission requested the EFSA Panel on Plant Health to deliver a risk assessment on the likelihood of pest freedom from regulated EU quarantine pests, with emphasis on Bursaphelenchus xylophilus and its vectors Monochamus spp. of debarked conifer wood chips fumigated with sulfuryl fluoride as proposed by the United States (US) and
EFSA Panel on Plant Health (PLH)   +32 more
europepmc   +2 more sources

An online taxonomic facility of Geometridae (Lepidoptera), with an overview of global species richness and systematics

open access: yesStuttgarter Beiträge zur Naturkunde A, 2022
We present a new, online, open access portal to the geometrid moths of the world (Lepidoptera: Geometridae). The portal provides access to the global database including data on classification, valid genera and species, synonyms and type localities, and ...
H. Rajaei   +7 more
semanticscholar   +1 more source

Taxonomic signatures of cause-specific mortality risk in human gut microbiome

open access: yesNature Communications, 2021
The collection of fecal material and developments in sequencing technologies have enabled standardised and non-invasive gut microbiome profiling. Microbiome composition from several large cohorts have been cross-sectionally linked to various lifestyle ...
A. Salosensaari   +21 more
semanticscholar   +1 more source

Incidence, correlates, and origins of dioecy in the Island Flora of New Caledonia [PDF]

open access: yes, 2014
Premise of research. Because it is an inherently risky sexual system, dioecy is globally rare. Attempts to explain unusually high incidences of dioecy on certain islands have generated a considerable literature on the relationships among dioecy, its ...
Lowry, P. P.   +3 more
core   +2 more sources

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