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1,126 results for “Brassicaceae”
Herbarium specimen image of Brassicaceae, part of the collection of Meise Botanic Garden
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.
Raw data files associated with the paper "Beyond generalists: the Brassicaceae pollen specialist Osmia brevicornis as a prospective model organism when exploring pesticide risk to bees"
<p>These are the raw data CSV files associated with the results described in the paper "Beyond generalists: the Brassicaceae pollen specialist Osmia brevicornis as a prospective model organism when exploring pesticide risk to bees".</p> <p>By Sara Hellström, Verena Strobl, Lars Straub, Wilhelm H. A. Osterman, Robert J. Paxton, Julia Osterman</p>
Synergistic polyploidization and long-distance dispersal enable the global diversification of yellowcresses (Rorippa, Brassicaceae)
<div> <strong>Aim</strong>: Long-distance dispersal (LDD) plays an important role in shaping the distribution of global biodiversity. Polyploidy could favor invasion and thereby facilitate LDD. However, how and to what extent polyploidy interacts with LDD is unclear. Here, we test the putative role of polyploidy in the global dispersal of <em>Rorippa</em> species.</div> <div> </div> <div> <strong>Location</strong>: Global.</div> <div> </div> <div> <strong>Time</strong> <strong>period</strong>: Late Miocene to present.</div> <div> </div> <div> <strong>Major taxa studied</strong>: <em>Rorippa</em>.</div> <div> </div> <div> <strong>Methods</strong>: We traced the biogeographic and speciation history for 17 diploids and 41 polyploids of <em>Rorippa</em> using variation from plastid genomes and multiple nuclear loci. The ploidy role in dispersal rate difference was demonstrated using trait-dependent biogeographic modeling.</div> <div> </div> <div> <strong>Results</strong>: LDD shaped the amphitropical disjunction of <em>Rorippa</em>, during which polyploids showed higher dispersal rates than those of diploids, with 5.6× increase under the best-fitted model. Five diploids and 21 polyploids were identified as products of transoceanic speciation events. Polyploidy-involved LDD was more common in terms of polyploidization following LDD than those preceding LDD.</div> <div> </div> <div> <strong>Main</strong> <strong>conclusions</strong>: We demonstrate that polyploidy would be not only a driver but also a responder of LDD in <em>Rorippa</em>, highlighting a synergistic relationship between them. Our results provide a framework to uncover the biogeographic consequences of polyploidization and the joint roles of polyploidy and LDD in shaping the distribution of biodiversity.</div>
Arabis perstellata (Brassicaceae) - inflorescence - frontal view of flower
Image of Arabis perstellata (Brassicaceae) - inflorescence - frontal view of flower
Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Image of Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Image of Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Image of Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Image of Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Image of Arabis perstellata (Brassicaceae) - whole plant - in flower - general view
Cardamine douglassii (Brassicaceae) - fruit - lateral or general close-up
Image of Cardamine douglassii (Brassicaceae) - fruit - lateral or general close-up
Barbarea verna (Brassicaceae) - leaf - on upper stem
Image of Barbarea verna (Brassicaceae) - leaf - on upper stem
Barbarea verna (Brassicaceae) - stem - showing leaf bases
Image of Barbarea verna (Brassicaceae) - stem - showing leaf bases
Barbarea verna (Brassicaceae) - inflorescence - whole - unspecified
Image of Barbarea verna (Brassicaceae) - inflorescence - whole - unspecified
Barbarea verna (Brassicaceae) - fruit - as borne on the plant
Image of Barbarea verna (Brassicaceae) - fruit - as borne on the plant
Barbarea verna (Brassicaceae) - inflorescence - lateral view of flower
Image of Barbarea verna (Brassicaceae) - inflorescence - lateral view of flower
Barbarea verna (Brassicaceae) - whole plant - in flower - general view
Image of Barbarea verna (Brassicaceae) - whole plant - in flower - general view
Barbarea verna (Brassicaceae) - whole plant - in flower - general view
Image of Barbarea verna (Brassicaceae) - whole plant - in flower - general view
Lesquerella globosa (Brassicaceae) - leaf - on upper stem
Image of Lesquerella globosa (Brassicaceae) - leaf - on upper stem
Lesquerella globosa (Brassicaceae) - inflorescence - lateral view of flower
Image of Lesquerella globosa (Brassicaceae) - inflorescence - lateral view of flower
Lesquerella globosa (Brassicaceae) - fruit - lateral or general close-up
Image of Lesquerella globosa (Brassicaceae) - fruit - lateral or general close-up
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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