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Genetic variation in the Epacris tasmanica complex (Epacridaceae).

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Gilmour, CA and Crowden, RK and Vaillancourt, RE and Koutoulis, A (2000) Genetic variation in the Epacris tasmanica complex (Epacridaceae). Papers and Proceedings of the Royal Society of Tasmania, 134. pp. 75-78. ISSN 0080-4703

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Abstract

RAPD (random amplified polymorphic DNA) markers were used to delimit species in the Epacris tasmanica complex (Epacridaceae) collected from various locations in Tasmania, Australia. The RAPD analysis placed morphologically similar taxa located closely geographically into discrete clusters. However, geographically distant populations of morphometrically similar taxa, such as the southern and northern Tasmanian populations of E. virgata and E. tasmanica, were less closely related to each other than those taxa classified as different species. The most geographically remote population (E. glabella [Serpentine Hill]) shared the least genetic similarities with the other taxa. The genetic information obtained from this study reinforces some previous morphometric data used to delimit species in the E. tasmanica complex. Furthermore, the strong geographical structure of the genetic variation is consistent with a model in which gene flow between populations is limited.

Item Type: Article
Keywords: Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library Epacris tasmanica complex, genetic variation, RAPD analysis, endangered species Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
Journal or Publication Title: Papers and Proceedings of the Royal Society of Tasmania
Page Range: pp. 75-78
ISSN: 0080-4703
Date Deposited: 25 Sep 2008 01:52
Last Modified: 18 Nov 2014 03:50
URI: http://eprints.utas.edu.au/id/eprint/7653
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