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110 results for “Gnaphalieae”
Linked collectors and determiners for: There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa.
Natural history specimen data linked to collectors and determiners held within, "There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/95ab9cb9-571f-4639-983c-cd94719fb83b">https://bionomia.net/dataset/95ab9cb9-571f-4639-983c-cd94719fb83b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/95ab9cb9-571f-4639-983c-cd94719fb83b">https://gbif.org/dataset/95ab9cb9-571f-4639-983c-cd94719fb83b</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Taxonomic Identity of Gamochaeta americana and Gamochaeta coarctata (Gnaphalieae, Asteraceae).
Natural history specimen data linked to collectors and determiners held within, "Taxonomic Identity of Gamochaeta americana and Gamochaeta coarctata (Gnaphalieae, Asteraceae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/fed2a029-b04a-47b8-94dd-f5e86b35829e">https://bionomia.net/dataset/fed2a029-b04a-47b8-94dd-f5e86b35829e</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/fed2a029-b04a-47b8-94dd-f5e86b35829e">https://gbif.org/dataset/fed2a029-b04a-47b8-94dd-f5e86b35829e</a>. Formatted as a Frictionless Data package.
Phylogenomics resolves the relationships within Antennaria (Asteraceae, Gnaphalieae) and yields new insights into its morphological character evolution and biogeography
<p><i>Antennaria </i>are dioecious perennial herbs distributed mainly in the Holarctic Region with their major center of diversity in the Rocky Mountains of Western North America. The genus comprises 33 known sexual diploid/tetraploid species and at least five polyploid agamic complexes which mostly reproduce by forming asexual seeds. We performed a phylogenetic reconstruction of the 31 sexually-reproducing <i>Antennaria</i> species using a novel target enrichment method that employs custom capture probes and is designed to work across Asteraceae. Both concatenated and coalescent-based analyses of DNA sequence data from hundreds of nuclear loci recovered <i>Antennaria</i> as a monophyletic group except for the long-disputed species, <i>Antennaria linearifolia</i>, which was recovered outside of the genus. <i>Antennaria</i> was further resolved into three distinct, major lineages. Analysis of ancestral state reconstruction of 12 taxonomically important morphological characters elucidated patterns of character evolution throughout the genus. Estimations of ancestral geographic ranges and molecular dating analyses demonstrated the Rocky Mountain region, including the Vancouverian Province, as the center of origin for the genus <i>Antennaria,</i> <span>around 5.8 MYA. Subsequent dispersals of <i>Antennaria</i> into the Arctic and Appalachian provinces, Canadian provinces, and Eurasia took place roughly 3.2 MYA, 2.4 MYA and 1.6 MYA, respectively. Biogeographical Stochastic Mapping indicated that 51.4% of biogeographical events were based on within-area speciation. The remaining 48.6% of the events were divided into two types of dispersals: i) range expansion dispersals (anagenic, 37%) and ii) founder/jump dispersals (cladogenic, 11.6%). </span>Our results provide a framework for future evolutionary studies of <i>Antennaria, </i>including speciation, origin(s) of polyploidy, and agamospermy in the genus.</p>
Diversity and distribution of Gnaphalieae in Rio de Janeiro – Brazil
<p>We present here the checklist of the 8 genera (Achyrocline, Chevreulia, Chionolaena, Facelis, Gamochaeta, Gnaphalium, Lucilia and Pseudognaphalium) and 31 species of Gnaphalieae occurring in the Rio de Janeiro State, Brazil. Overall, we obtained 1117 specimen data. The most recent version (v7) solved some errors associated with nbsp and other invisible characters, file extension changed to CSV. </p>
Supplementary Material for "Target-capture Phylogenetics of the Paper Daisy Stoebe clade (Gnaphalieae: Asteraceae) Using Compositae1061 Baits"
<p>This upload contains supporting information for a manuscript in preparation titled "Target-capture Phylogenetics of the Paper Daisy Stoebe clade (Gnaphalieae: Asteraceae) Using Compositae1061 Baits". The folder contains sequence alignments for the Stoebe clade of paper daisies (Gnaphalieae: Asteraceae), as well as species trees estimated using these data. Additional files are described in the accompanying README file.</p>
Phylogenomics resolves the relationships within Antennaria (Asteraceae, Gnaphalieae) and yields new insights into its morphological character evolution and biogeography
Open the record for dataset details and reuse information.
Data from: SSR Markers for Filago subgen. Filago (Gnaphalieae: Asteraceae) and cross-amplification in three other subgenera
• Premise of the study: Microsatellite primers were developed for the first time in the genus Filago (Gnaphalieae: Asteraceae). These markers will facilitate low-scale phylogenetic, phylogeographic and population genetics studies within the genus Filago. • Methods and Results: Nine pairs of microsatellite primers were identified and optimized on two species of Filago using a microsatellite-enrichment library method and 454 GS-FLX technique. The set of primers amplified tri- to hexanucleotide repeats, and showed one to six alleles per locus for both species: F. gaditana and F. carpetana. Transferability was performed in 29 samples corresponding to nine representative species of Filago. • Conclusions: The results indicate the utility of the newly developed markers, which will be useful to go deeper into the phylogenetic relationships among the taxa within Filago. These microsatellites will enable phylogeographic, reproductive and genetic variation studies.
Data from: Chryselium, a new South American genus segregated from Helichrysum (Asteraceae, Gnaphalieae)
Chryselium Urtubey & S. E. Freire, a new monotypic genus, is here described and illustrated to accomodate one species that was initially placed in Helichrysum, H. gnaphalioides, as Chryselium gnaphalioides . The new genus, Chryselium , is a monoecious herb with single stems and terminal capitulescences that are densely glomerulate from the Tropical Andes of Venezuela, Colombia, Ecuador, Bolivia, and Peru. This genus differs fundamentally from Helichrysum by having a stoloniferous habit and corollas with purple apices. A molecular analysis using DNA sequences from nuclear (ITS and ETS) markers placed this genus in a clade with Chevreulia, Cuatrecasasiella, Antennaria, and Diaperia in the FLAG group. Affinities of the new genus with genera previously assigned to Chryselium are also discussed.
Fig. 38 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 38. Isotype of Xerochrysum neoanglicum (L.M. Copeland 3468, J.J. Bruhl & I.R. Telford, NE 80118).
Fig. 17 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 17. Lectotype of Xerochrysum banksii (G-DC G00328465). Image: © Conservatoire et Jardin botaniques de la Ville de Genève.
Fig. 12. STRUCTURE bar plots for Xerochrysum bicolor, X in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 12. STRUCTURE bar plots for Xerochrysum bicolor, X. halmaturorum, and X. sp. Lofty Ranges major clustering modes K = 3. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for 1–10 subpopulations across all of the 10 runs; n = 51. Fine black lines delineate sampling locations.
Fig. 14 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 14. STRUCTURE bar plots for Xerochrysum boreale and genetically similar putative species, major and minor clustering modes K = 6. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for 1–10 subpopulations across all of the 10 runs; n = 63. Fine black lines delineate sampling locations.
Fig. 9 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 9. Xerochrysum sp. North Kennedy and genetically similar entities principal coordinate analysis of 1342 single-nucleotide polymorphism loci. Each dot represents an individual sample, coloured by population. (a) Axes 1 and 2; (b) Axes 1 and 3.
Fig. 11 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 11. STRUCTURE bar plots for the putative species Xerochrysum sp. Barrington Tops (white, pale yellow and yellow phyllary colours), X. sp. Glencoe, X. sp. New England, and X. sp. Point Lookout, major clustering modes K = 5. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for 1–10 subpopulations across all of the 10 runs; n = 52. Fine black lines delineate sampling locations.
Fig. 15 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 15. STRUCTURE bar plots, for species of Xerochrysum associated with X. sp. Blackfellows Gap (marked with an asterisk, *), for major clustering modes K = 4–5. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for four or five ancestral populations across all runs at K = 4 and 9 of the 10 runs at K = 5; n = 114. Fine black lines delineate sampling locations, numbered as in Supplementary Table S14. Of the two samples collected from Namadgi National Park (Location 9), morphological characters indicated that one is clearly X. subundulatum, and the other is X. sp. Blackfellows Gap (N.T.Burbidge 6926).
Fig. 10 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 10. STRUCTURE bar plots for 'Bracteatum' samples of Xerochrysum, major clustering modes K = 6. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for 1–16 subpopulations across 8 of the 16 runs; n = 246. Fine black lines delineate sampling locations.
Fig. 26 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 26. Isotype of Xerochrysum frutescens (I.R.Telford 12874, J.J.Bruhl & L.M.Copeland NE 85983).
Fig. 13 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 13. STRUCTURE bar plots for 'Boreale' sam-ples of Xerochrysum, major and minor clustering modes K = 6. Bar plots show each individual as a horizontal bar divided into segments on the basis of the proportion of ancestry suggested for 1–10 subpopulations across all of the 10 runs; n = 148. Fine black lines delineate sampling locations.
Fig. 8 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 8. 'Boreale' principal coordinate analysis of 4637 single-nucleotide polymorphism loci representing some species and putative entities of Xerochrysum. Each dot represents an individual sample, coloured by population. (a) Axes 1 and 2; (b) Axes 1 and 3.
Fig. 7 in There's gold in them thar hills! Morphology and molecules delimit species in Xerochrysum (Asteraceae; Gnaphalieae) and reveal many new taxa
Fig. 7. Principal coordinate analysis of 5637 single-nucleotide polymorphism loci representing species and putative entities of Xerochrysum in the 'Bracteatum' group. Each dot represents an individual sample, coloured by population. (a) Axes 1 and 2; (b) Axes 1 and 3.
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