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284 results for “Hedera”
European Ivies (Hedera L., Araliaceae) Point Occurrence Database with Taxonomic Certainty
<p>We present two databases and six spatial layers recording biodiversity information of the six species of ivies (<em>Hedera </em>L., Araliaceae) native to W Europe (<em>Hedera azorica, H. canariensis, H. helix, H. hiberncia, H. iberica, H. maderensis)</em>. Each database covers the entire native distribution of each species. Therefore, the databases document the distribution and occurrence of all the European <em>Hedera </em>taxa except for <em>H. pastuchovii </em>subsp.<em> cypria</em> which is a restricted endemic of the south-west of the island of Cyprus. </p> <ul> <li>The first database (TaxRev) includes taxonomic, geographic and habitat information from the morphological revision of 2,276 individuals from 1,280 populations. 866 of the records also included point-occurrence data. This database represents the entire native distribution and the morphological variation of each species.</li> <li>The second database (MixOcc) includes the spatial-point occurrence of the six species across their entire native distribution ranges. This database was compiled with the 880 records from the TaxRev database (records with high taxonomic certainty, as they all were examined by the taxonomist of the genus) plus 2,372 records from curated online databases selected from the European regions with low expected taxonomic uncertainty (C and E Europe and the Macaronesian Islands). As a result the database have high taxonomic quality (certainty and coverage) and good geographical coverage for Europe at a large-scale except for France and Ireland.</li> <li>The uploaded files related to the TaxRev database are as follows:</li> </ul> <p>Hedera_TaxRevDatabase_Field description: a cvs file with the description of the 71 variables included in the database</p> <p>Hedera_TaxRevDatabase_Records: a cvs file with the database (71 variables, 1,280 records)</p> <ul> <li>The uploaded files related to the MixOcc database are as follows:</li> </ul> <p>Hedera_MixOccDatabase_Field description: a cvs file with the description of the 11 variables included in the database</p> <p>Hedera_MixDatabase_Records: a cvs file with the database (11 variables, 3,252 records)</p> <p>Finally, we also upload 20 layers including the point-occurrence maps obtained from the MixOcc database. Six species maps (one per species), five additional maps of <em>H. canariensis</em> (one per island), eight additional maps of <em>H. azorica</em> (one per island) and a combined map including the six species. In all of them, we distinguish the records from individuals morphologically reviewed by the taxonomist of the genus and those obtained from online repositories and not reviewed by the taxonomist:</p> <ul> <li>Hedera azorica_MixOccDatabase_Map</li> <li>Hedera_azorica_map_Corvo</li> <li>Hedera_azorica_map_Faial</li> <li>Hedera_azorica_map_Flores</li> <li>Hedera_azorica_map_Graciosa</li> <li>Hedera_azorica_map_Pico</li> <li>Hedera_azorica_map_Santa Maria</li> <li>Hedera_azorica_map_Sao Jorge</li> <li>Hedera_azorica_map_Sao Miguel</li> <li>Hedera_azorica_map_Terceira</li> <li>Hedera canariensis_MixOccDatabase_Map</li> <li>Hedera_canariensis_map_El Hierro</li> <li>Hedera_canariensis_map_Gran Canaria</li> <li>Hedera_canariensis_map_La Gomera</li> <li>Hedera_canariensis_map_La Palma</li> <li>Hedera_canariensis_map_Tenerife</li> <li>Hedera helix_MixOccDatabase_Map</li> <li>Hedera hibernica_TaxRevDatabase_Map</li> <li>Hedera iberica_TaxRevDatabase_Map</li> <li>Hedera maderensis_MixOccDatabase_Map</li> <li>Hedera_MixOccDatabase_Map</li> </ul> <p>The records which allow us to improve geographic coverage without compromising taxonomic certainty. The databases and the resulting spatial layers have high taxonomic and geographic certainty and a good geographic coverage for ivies in Europe.</p>
Hedera helix (Araliaceae) - fruit - lateral or general close-up
Image of Hedera helix (Araliaceae) - fruit - lateral or general close-up
Hedera helix (Araliaceae) - fruit - immature
Image of Hedera helix (Araliaceae) - fruit - immature
Hedera helix (Araliaceae) - whole tree (or vine) - general
Image of Hedera helix (Araliaceae) - whole tree (or vine) - general
Hedera helix (Araliaceae) - whole tree (or vine) - general
Image of Hedera helix (Araliaceae) - whole tree (or vine) - general
Hedera helix (Araliaceae) - inflorescence - whole - unspecified
Image of Hedera helix (Araliaceae) - inflorescence - whole - unspecified
Hedera helix (Araliaceae) - bark - of a small tree or small branch
Image of Hedera helix (Araliaceae) - bark - of a small tree or small branch
Hedera helix (Araliaceae) - leaf - whole upper surface
Image of Hedera helix (Araliaceae) - leaf - whole upper surface
Hedera helix (Araliaceae) - inflorescence - frontal view of flower
Image of Hedera helix (Araliaceae) - inflorescence - frontal view of flower
Hedera helix (Araliaceae) - leaf - whole upper surface
Image of Hedera helix (Araliaceae) - leaf - whole upper surface
Hedera helix (Araliaceae) - bark - of a small tree or small branch
Image of Hedera helix (Araliaceae) - bark - of a small tree or small branch
Hedera helix (Araliaceae) - whole tree (or vine) - general
Image of Hedera helix (Araliaceae) - whole tree (or vine) - general
Hedera helix (Araliaceae) - twig - orientation of petioles
Image of Hedera helix (Araliaceae) - twig - orientation of petioles
Hedera helix (Araliaceae) - twig - orientation of petioles
Image of Hedera helix (Araliaceae) - twig - orientation of petioles
Hedera helix (Araliaceae) - leaf - showing orientation on twig
Image of Hedera helix (Araliaceae) - leaf - showing orientation on twig
Text-fig. 15. a–c: Tilia sp. a: Oriolo MSF 679. b: Oriolo MSF n.n., fruiting bract. c: Oriolo MSF 908. d: Fraxinus aff. angustifolia subsp. oxycarpa Oriolo MSF 782. e–i: Hedera aff. helix. Polymorphic leaves. e: Oriolo MSF 628. f: Oriolo MSF 650. g: Oriolo MSF 797. h: Oriolo MSF 799. i: Oriolo MSF 796. Scale bars 50 mm (a, c–e), 10 mm (b, f–i). in The Late Early Pleistocene Flora Of Oriolo, Faenza (Italy): Assembly Of The Modern Forest Biome
Text-fig. 15. a–c: Tilia sp. a: Oriolo MSF 679. b: Oriolo MSF n.n., fruiting bract. c: Oriolo MSF 908. d: Fraxinus aff. angustifolia subsp. oxycarpa Oriolo MSF 782. e–i: Hedera aff. helix. Polymorphic leaves. e: Oriolo MSF 628. f: Oriolo MSF 650. g: Oriolo MSF 797. h: Oriolo MSF 799. i: Oriolo MSF 796. Scale bars 50 mm (a, c–e), 10 mm (b, f–i).
Hedera sp. (BR0000012568482)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Hedera sp. (BR0000014429309)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Hedera sp. (BR0000014429293)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Hedera sinensis (Tobl.) Hand.-Mazz. (BR0000009355934)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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