Results 21 to 30 of about 27,404 (280)

High‐throughput methods for efficiently building massive phylogenies from natural history collections

open access: yesApplications in Plant Sciences, 2021
Premise Large phylogenetic data sets have often been restricted to small numbers of loci from GenBank, and a vetted sampling‐to‐sequencing phylogenomic protocol scaling to thousands of species is not yet available.
Ryan A. Folk   +5 more
doaj   +1 more source

Phycological Herbaria as a Useful Tool to Monitor Long-Term Changes of Macroalgae Diversity: Some Case Studies from the Mediterranean Sea

open access: yesDiversity, 2020
The Mediterranean Sea is currently experiencing a decline in the abundance of several key species, as a consequence of anthropogenic pressures (e.g., increase in human population, habitat modification and loss, pollution, coastal urbanization ...
Anna Maria Mannino   +2 more
doaj   +1 more source

Description and molecular diagnosis of a new species of Brunfelsia (Solanaceae) from the Bolivian and Argentinean Andes [PDF]

open access: yes, 2012
Brunfelsia plowmaniana N.Filipowicz & M.Nee sp. nov., a species from humid and cloud forests of the Bolivian and Argentinean Andes, is described and provided with a molecular diagnosis, using provisions available in the recently approved International ...
Filipowicz, Natalia   +2 more
core   +3 more sources

Some Aspects of the Natural History of \u3ci\u3eLongitarsus Subrufus\u3c/i\u3e (Coleoptera: Chrysomelidae) [PDF]

open access: yes, 2018
This is a synthesis of historic specimen data, published information, and the results of observation and experimentation in the field and greenhouse. The primary food plant of Nearctic L.
Williams, Andrew H
core   +2 more sources

A New Method for Counting Reproductive Structures in Digitized Herbarium Specimens Using Mask R-CNN

open access: yesFrontiers in Plant Science, 2020
Phenology—the timing of life-history events—is a key trait for understanding responses of organisms to climate. The digitization and online mobilization of herbarium specimens is rapidly advancing our understanding of plant phenological response to ...
Charles C. Davis   +11 more
doaj   +1 more source

Effect of ionizing radiation on the color of botanical collections - exsiccata

open access: yesBrazilian Journal of Radiation Sciences, 2021
Estratégias de conservação e preservação são essenciais para gerenciar coleções botânicas, especialmente para espécimes de herbário seco também conhecidos como exsicatas, geralmente referindo-se a um conjunto de espécimes identificados pertencentes a ...
Leni Meire Pereira Ribeiro Lima   +4 more
doaj   +1 more source

Shotgun sequencing decades-old lichen specimens to resolve phylogenomic placement of type material

open access: yesPlant and Fungal Systematics, 2019
Natural history collections, including name-bearing type specimens, are an important source of genetic information. These data can be critical for appropriate taxonomic revisions in cases where the phylogenetic position of name-bearing type specimens ...
Steven D. Leavitt   +4 more
doaj   +1 more source

Pest categorisation of Entoleuca mammata

open access: yesEFSA Journal, 2017
Following a request from the European Commission, the EFSA Plant Health (PLH) Panel performed a pest categorisation of Entoleuca mammata, a well‐defined and distinguishable fungus of the family Xylariaceae native to North America.
EFSA Panel on Plant Health (PLH)   +24 more
doaj   +1 more source

From Dormant Collections to Repositories for the Study of Habitat Changes: The Importance of Herbaria in Modern Life Sciences

open access: yesLife, 2023
In recent decades, the advent of new technologies for massive and automatized digitization, together with the availability of new methods for DNA sequencing, strongly increased the interest and relevance of herbarium collections for the study of plant ...
Mauro Mandrioli
doaj   +1 more source

Elucidation of Hosts, Native Distribution, and Habitat of the Coffee Berry Borer (Hypothenemus hampei) Using Herbaria and Other Museum Collections

open access: yesFrontiers in Plant Science, 2019
The coffee berry borer (Hypothenemus hampei) is the most damaging insect pest of global coffee production. Despite its importance, our knowledge on the insect’s natural habitat, range, and wild host species remains poorly known.
Fernando E. Vega   +8 more
doaj   +1 more source

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