Results 21 to 30 of about 474,061 (284)

Development of a system for the automated identification of herbarium specimens with high accuracy

open access: yesScientific Reports, 2022
Herbarium specimens are dried plants mounted onto paper. They are used by a limited number of researchers, such as plant taxonomists, as a source of information on morphology and distribution. Recently, digitised herbarium specimens have begun to be used
M. Shirai   +11 more
semanticscholar   +1 more source

AMARANTHUS PLANT – BETWEEN MYTH AND USAGE [PDF]

open access: yesNatural Resources and Sustainable Development, 2018
Plant species from Amaranthus genus are extremely important from many points of view: from an historical point of view, they were mentioned in ancient cultures such as Inca or Ancient Greece; from a nutritional point of view, they have many usages as ...
Dincă Lucian   +4 more
doaj   +1 more source

A comparison of herbarium and citizen science phenology datasets for detecting response of flowering time to climate change in Denmark

open access: yesInternational journal of biometeorology, 2022
Phenology has emerged as a key metric to measure how species respond to changes in climate. Innovative means have been developed to extend the temporal and spatial range of phenological data by obtaining data from herbarium specimens, citizen science ...
Natalie Iwanycki Ahlstrand   +2 more
semanticscholar   +1 more source

X-ray fluorescence spectroscopy (XRF) for metallome analysis of herbarium specimens

open access: yesPlant Methods, 2022
Background “Herbarium X-ray Fluorescence (XRF) Ionomics” is a new quantitative approach for extracting the elemental concentrations from herbarium specimens using handheld XRF devices.
I. Purwadi   +4 more
semanticscholar   +1 more source

Głos Syreniusza w sprawie wykorzystywania roślin w magii

open access: yesMeluzyna: dawna literatura i kultura, 2020
The subject of the article is “Zielnik herbarzem z języka łacińskiego zowią…” (In English: “Herbarium”) by Szymon Syreński, also known as Syrenius, published in 1613 by the printing house of Bazyli Skalski.
Sabina Kowalczyk
doaj   +1 more source

Conspectus of the genus Juniperus L. growing in Kazakhstan

open access: yesТруды по прикладной ботанике, генетике и селекции, 2022
Background. The genus Juniperus L. is the most numerous in the family Cupressaceae Bartl. and includes about 75 species. There are from 7 to 10 species of this genus in Kazakhstan.
M. M. Yermagambetova   +3 more
doaj   +1 more source

Herbarium: The Quest to Preserve and Classify the World’s Plants

open access: yesJournal of the Botanical Research Institute of Texas, 2022
There may be no better way to learn about the history of botany and herbaria than through the lens of the former director of the second-largest herbarium in the world, Dr. Barbara M. Thiers.
Ashley Bordelon
semanticscholar   +1 more source

Rapid imaging in the field followed by photogrammetry digitally captures the otherwise lost dimensions of plant specimens

open access: yesApplications in Plant Sciences, 2023
Premise We recognized the need for a customized imaging protocol for plant specimens at the time of collection for the purpose of three‐dimensional (3D) modeling, as well as the lack of a broadly applicable photogrammetry protocol that encompasses the ...
Nicole James, Alex Adkinson, Austin Mast
doaj   +1 more source

Automatic Identification of Ivorian Plants from Herbarium Specimens using Deep Learning

open access: yesInternational Journal of Emerging Technology and Advanced Engineering, 2022
— Plant identification is most often based on visual observations by botanists and systematists. Deep learning has become a tool that provides an alternative to automatic plant identification.
Ballo Abou Bakary   +5 more
semanticscholar   +1 more source

From leaves to labels: Building modular machine learning networks for rapid herbarium specimen analysis with LeafMachine2

open access: yesApplications in Plant Sciences, 2023
Premise Quantitative plant traits play a crucial role in biological research. However, traditional methods for measuring plant morphology are time consuming and have limited scalability.
William N. Weaver, Stephen A. Smith
doaj   +1 more source

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