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Thursday, July 16, 2020 | History

2 edition of Evolutionary genetics of the Appalachian Asplenium complex found in the catalog.

Evolutionary genetics of the Appalachian Asplenium complex

Charles Richard Werth

Evolutionary genetics of the Appalachian Asplenium complex

by Charles Richard Werth

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  • 1 Currently reading

Published .
Written in English

    Subjects:
  • Asplenium -- Genetics,
  • Genetic polymorphisms

  • Edition Notes

    Statementby Charles Richard Werth
    The Physical Object
    Paginationiv, 109 leaves :
    Number of Pages109
    ID Numbers
    Open LibraryOL14413285M

    A chromatographic study of reticulate evolution in the Appalachian Asplenium complex. Amer. Jour. Bot. – CrossRef Google Scholar. Wagner, W. H., Jr. Reticulate evolution in the Appalachian Aspleniums. Evolution 8: – CrossRef Google Scholar —— Synthetic and wild Asplenium gravesii. Brittonia 9: 57– Dyer, R. J., V. Savolainen, H. Schneider & Apomixis and reticulate evolution in the Asplenium monanthes fern complex. Ann Bot – **Ekert, L. and M. Stech. A morphometric study and revision of the Asplenium trichomanes group in the Czech Republic. Preslia

    Although complex, the evolutionary patterns observed for A. millefolium and relatives are similar to those that have been reported for other complexes that have been studied in detail (e.g. Tragopogon, Soltis et al., ; Draba and other Arctic species, Brochmann et al., ; species of Glycine, Doyle et al., ; Veronica, D. Albach. Hand book of Enzyme Hedrick, P W. A new approach to measuring genetic similarity. Evolution, 25 Electrophoretic evidence of reticulate evolution in the Appalachian Asplenium complex.

    Asplenium obovatum Viv. consists of two recognized subspecies, the diploid subsp. obovatum (n = 36) and the tetraploid subsp. lanceolatum (Fiori) P. Silva. A third taxon, also tetraploid and related to this group, is treated by some authors (Battandier and Trabut, ; Maire, ; Salvo et al., ) as subsp. numidicum (Trab.)Salvo and Cabezudo. Other authors treated (Becherer, ) or.   Call for papers: Special Issue on "Cyperaceae in a data-rich era: New evolutionary insights from solid frameworks" The deadline for abstract submission is 30 June The deadline for manuscript submission is 31 August The target date .


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Evolutionary genetics of the Appalachian Asplenium complex by Charles Richard Werth Download PDF EPUB FB2

Asplenium × gravesii, commonly known as Graves' spleenwort, is a rare, sterile, hybrid fern, named for Edward Willis Graves (–).It is formed by the crossing of Bradley's spleenwort (A. bradleyi) with lobed spleenwort (A. pinnatifidum).It is only found where its parent species are both present; in practice, this proves to be a few scattered sites in the Appalachian Mountains, Shawnee Class: Polypodiopsida.

Asplenium platyneuron (syn. Asplenium Evolutionary genetics of the Appalachian Asplenium complex book, commonly known as ebony spleenwort or brownstem spleenwort, is a fern native to North America east of the Rocky Mountains and to South takes its common name from its dark, reddish-brown, glossy stipe and rachis (leaf stalk and midrib), which support a once-divided, pinnate leaf.

The fertile fronds, which die off in the winter, are Class: Polypodiopsida. Asplenium × ebenoides (Scott's spleenwort, dragon tail fern or walking spleenwort) is a hybrid fern native to eastern North America, part of the "Appalachian Asplenium complex" of related hybrids.

The sterile offspring of the walking fern (A. rhizophyllum) and the ebony spleenwort (A. platyneuron), A. × ebenoides is intermediate in morphology between its two parents, combining the long Class: Polypodiopsida. Phytochemistry,Vol.

10, pp. to Pergamon Press. Printed m England SHORT COMMUNICATION XANTHONES IN THE APPALACHIAN ASPLENIUM COMPLEX DALE M. SMITH Department of Biological Sciences, University of California at Santa Barbara, Santa Barbara, California, U.S.A. and J. HARBORNE Department of Botany, University of Reading (Received 1 Cited by:   Asexual reproduction is a prominent evolutionary process within land plant lineages and especially in ferns.

Up to 10 % of the approx. 10 fern species are assumed to be obligate asexuals. In the Asplenium monanthes species complex, previous studies Cited by:   A series of kaempferol derivatives have been identified in fronds of three parental species of the Appalachian Asplenium ium platyneuron is characterised by the presence of the 7-glucoside of kaempferol 3,4′-dimethyl ether and also contains kaempferol 3,7-diglucoside, free and with an aliphatic acyl attachment.

By contrast, A. rhizophyllum contains a remarkable caffeoyl complex. Daniel J. Ohlsen, Leon R. Perrie, Lara D. Shepherd, Patrick J.

Brownsey and Michael J. Bayly, Investigation of species boundaries and relationships in the Asplenium paleaceum complex (Aspleniaceae) using AFLP fingerprinting and chloroplast and nuclear DNA sequences, Australian Systematic Botany, 27, 6, (), ().

William Hardy Eshbaugh The Appalachian Asplenium complex consists of six fertile species: three diploids and their three allotetraploid derivatives.

This reticulate evolutionary pattern, originally. into the evolutionary process in ferns has addressed hybrid species, because reticulate evolution in the Appalachian Asplenium complex. Chromatographic as genetic markers for the study of.

Drawing on our studies of the European stream limpet, Ancylus fluviatilis, we highlight the facility of allozyme and RAPD fingerprint data to unravel the genetic structure, historic hybridizations, and mating system parameters, and discuss the emerging similarities to evolutionary processes well documented for vascular plants.

Appalachian Americans are an underserved population with increased risk for diseases having strong genetic and environmental precursors. The purpose of this study is to understand the thoughts and perceptions of genetic research of Appalachian Americans residing in eastern Ohio prior to conducting a genetic research study with this population.

InWerth received his PhD in Botany from Miami University and his dissertation was entitled, "Evolutionary Genetics of the Appalachian Asplenium Complex." His two graduate advisors, W.

Hardy Eshbaugh and Sheldon I. Guttman, later co-authored several articles with him. Irene Manton's landmark book, Problems of Cytology and Evolution in the Pteridophyta plus the redundancy of genetic material on which evolution can act, Returning to the example of the Appalachian Asplenium complex, Werth et al.

(a, b). Book Review:Crops & Man. Jack R. Harlan Electrophoretic Evidence of Reticulate Evolution in the Appalachian Asplenium Complex. Article. Apr ; Dept. of Evolution, Genetics and Phenetics. The maximum levels of genetic divergence observed among populations in the present study are similar to those observed between the diploid species A.

montanum and A. rhizophyllum of the Appa- lachian Asplenium complex (Werth, Guttman, and Esh- baugh, a). Request PDF | Integrated taxonomy of the Asplenium normale complex (Aspleniaceae) in China and adjacent areas | The Asplenium normale D.

Don complex comprises several. Furthermore, there is evidence for the recurrent formation of polyploid taxa either as a result of frequent reticulate evolution as, for example, in the Appalachian spleenworts (Werth et al., Isozyme Variation and Genetic Relationships among Taxa in the Asplenium obovatum Group (Aspleniaceae, Pteridophyta) BENNERT,H.

W., AND G. FISCHER Biosystematics and evolution of the Asplenium trichomanes complex. Webbia AND W. ESHBAUGH. evidence of reticulate evolution in the Appalachian Asplenium complex. Genetic variability was examined at 16 putative allozymic loci in the narrow endemic fern Polystichum otomasui.

Although this species is distributed in only a few valleys within an approximately. Asplenium × kentuckiense, commonly known as Kentucky spleenwort, is a rare, sterile, hybrid is formed by the crossing of lobed spleenwort (A.

pinnatifidum) with ebony spleenwort (A. platyneuron).Found intermittently where the parent species grow together in the eastern United States, it typically grows on sandstone cliffs, but is known from other substrates as well.

Genetic structure, reproductive biology and ecology of isolated populations of Asplenium csikii (Aspleniaceae, Pteridophyta). Heredity Wagner W. H. Jr. Reticulate evolution in the Appalachian aspleniums. Evolution 8: Wagner W. H. Jr. Irregular morphological development in hybrid ferns.

Phytomorphology Asplenium pinnatifidum, commonly known as the lobed spleenwort or pinnatifid spleenwort, is a small fern found principally in the Appalachian Mountains and the Shawnee Hills, growing in rock crevices in moderately acid to subacid ally identified as a variety of walking fern (Asplenium rhizophyllum), it was classified as a separate species by Thomas Nuttall in COVID Resources.

Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.