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1,998 results for “Herbarium specimen”
Herbarium specimen image of Eriophorum vaginatum L., part of the collection of Natural History Museum, University of Tartu
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Linnaea borealis L., part of the collection of Natural History Museum, University of Tartu
<p>Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br> <br> Content of this deposition:<br> <br> - A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br> - Two JPEG image files of the scanned herbarium sheet, one of the specimen itself and one of its label (indicated by_lab).<br> - Two lossless TIFF images from which the JPEG images have been derived.</p>
Herbarium specimen image of Lobelia dortmanna L., part of the collection of Natural History Museum, University of Tartu
<p>Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br> <br> Content of this deposition:<br> <br> - A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br> - Two JPEG image files of the scanned herbarium sheet, one of the specimen itself and one of its label (indicated by_lab).<br> - Two lossless TIFF images from which the JPEG images have been derived.</p>
Herbarium specimen image of Allium angulosum L., part of the collection of Natural History Museum, University of Tartu
<p>Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br> <br> Content of this deposition:<br> <br> - A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br> - Two JPEG image files of the scanned herbarium sheet, one of the specimen itself and one of its label (indicated by_lab).<br> - Two lossless TIFF images from which the JPEG images have been derived.</p>
Herbarium specimen image of Asplenium ruta-muraria L., part of the collection of Natural History Museum, University of Tartu
<p>Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br> <br> Content of this deposition:<br> <br> - A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br> - Two JPEG image files of the scanned herbarium sheet, one of the specimen itself and one of its label (indicated by_lab).<br> - Two lossless TIFF images from which the JPEG images have been derived.</p>
Phenological and climate data for herbarium specimens of Streptanthus tortuosus (Brasicaceae)
<p>These data represent phenological data derived from herbarium specimens of Streptanthus tortuous collected between 1903 and 2013 in California. The associated temperature and precipitation related climate data during the year of specimen collection at the location of collection are also included.</p>
Data from: Resurrected seeds from herbarium specimens reveal rapid evolution of drought resistance in a selfing annual
<p>Premise of study: Increased aridity and drought associated with climate change are exerting unprecedented selection pressures on plant populations. Whether populations can rapidly adapt, and which life history traits might confer increased fitness under drought, remain outstanding questions. </p> <p>Methods: We utilized a resurrection ecology approach, leveraging dormant seeds from herbarium collections to assess whether populations of <em>Plantago patagonica</em> from the semi-arid Colorado Plateau have rapidly evolved in response to approximately ten years of intense drought in the region. We quantified multiple traits associated with drought escape and drought resistance and assessed the survival of ancestors and descendants under simulated drought. </p> <p>Key Results: Descendant populations displayed a significant shift in resource allocation, in which they invested less in reproductive tissues and relatively more in both above- and below-ground vegetative tissues. Plants with greater leaf biomass survived longer under terminal drought; moreover, even after accounting for the effect of increased leaf biomass, descendant seedlings survived drought longer than their ancestors. </p> <p>Conclusions: Our results document rapid adaptive evolution in response to climate change in a selfing annual and suggest that shifts in tissue allocation strategies may underlie adaptive responses to drought in arid or semi-arid environments. This work also illustrates a novel approach, documenting that under specific circumstances, seeds from herbarium specimens may provide an untapped source of dormant propagules for future resurrection experiments.</p>
Simulated Herbarium data for testing the accuracy with which specimen data can predict the timing and duration of population-level flowering displays
<p>This dataset provides code and example data for simulating specimen collections of flowering plants across North America, and for developing phenological predictions of population-level flowering onset and termination for these data. It further presents code for assessing the accuracy of these predictions relaticve to known (simulated) population-level flowering dates at the location of each collection.</p>
Fig. 1 in Rearranging specimens on herbarium type sheets of Streptocarpus betsiliensis Humbert (Gesneriaceae)
Fig. 1. – The type collections of Streptocarpus betsiliensis Humbert (Perrier de la Bâthie 12482) at P before remounting and renumbering. A. Holotype with pure S. betsiliensis [P00088746]; B. Isotype with S. betsiliensis (detail in frame D) and S. lanatus MacMaster (detail in frame E) [P00088747]; C. Isotype mostly with material of S. betsiliensis and a single plant of S. lanatus (detail in frame F) [P00088748].
Fig. 2 in Rearranging specimens on herbarium type sheets of Streptocarpus betsiliensis Humbert (Gesneriaceae)
Fig. 2. – Field pictures and natural habitats of Streptocarpus Lindl. A–B. Streptocarpus betsiliensis Humbert; C. Streptocarpus lanatus MacMaster at the Itremo massif; D. Streptocarpus ibityensis Humbert at Mt Ibity. [Photos:A-C: Michael Möller; D: Pete Lowry]
Morphological and DNA sequence data generated by Sanger sequencing and target capture methods for moss plants in the genus Fissidens from herbarium specimens
<p><span>Morphological evolution in mosses has long been hypothesized to accompany shifts in microhabitats and can be tested using comparative phylogenetics. These lines of inquiry have developed substantially, in part, by target capture sequencing allowing for phylogenomic scale data generated from herbarium specimens. In the present study, we test the relationship between taxonomically important morphological characters in the moss genus <em>Fissidens</em>, using both a 400-locus dataset generated using a target-capture approach as well as a three-locus phylogeny generated using sanger sequencing. Phylogenetic trees were generated using ASTRAL and Bayesian Inference and used to test the monophyly of subgenera/sections and provided the basis for ancestral character reconstruction and phylogenetic correlation analyses among five morphological characters as well as habitat moisture scored from literature. The characters <em>axillary hyaline nodules</em>, <em>limbidium</em>, <em>costa</em>, and <em>peristome morphology</em> as well as <em>sexual system</em>, <em>minimum habitat moisture</em>, <em>average habitat moisture</em>, <em>maximum habitat moisture</em>, and <em>habitat moisture niche breadth</em> each exhibit statistically significant phylogenetic signal. Significant correlations were found between the limbidium (phyllid/leaf border) and habitat moisture niche breadth, which could be interpreted as a more extensive <em>limbidium</em> enabling species to survive across a wider variety of habitats. Correlations were also found between <em>costa anatomy</em> and the <em>limbidum</em> of the gametophyte and sporophyte <em>peristome</em> <em>morphology</em>, as well as <em>average habitat moisture</em> and <em>sexual system</em>. Continued exploration of the relationships between morphological evolution, life history, and habitat will enable us to expand our understanding of functional morphology in mosses.</span></p>
Linked collectors and determiners for: Occurrence and distribution of spores producing plants in Tanzania: Collection of Preserved Specimens at TAFORI herbarium.
Natural history specimen data linked to collectors and determiners held within, "Occurrence and distribution of spores producing plants in Tanzania: Collection of Preserved Specimens at TAFORI herbarium". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="http://bionomia.net/dataset/8f1f1bf0-99f8-4ee6-b02f-6c5b570203d6">https://bionomia.net/dataset/8f1f1bf0-99f8-4ee6-b02f-6c5b570203d6</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/8f1f1bf0-99f8-4ee6-b02f-6c5b570203d6">https://gbif.org/dataset/8f1f1bf0-99f8-4ee6-b02f-6c5b570203d6</a>. Formatted as a Frictionless Data package.
Herbarium specimen image of Tectaria incisa, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Pellaea rotundifolia, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Pteris cretica, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Pteris cretica, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Osmunda regalis, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Microlepia setosa, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Adiantum aleuticum, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Herbarium specimen image of Adiantum raddianum, part of the collection of Finnish Museum of Natural History LUOMUS, University of Helsinki
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
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