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Chloroplast DNA phylogeography of Eucalyptus globulus

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Freeman, JS, Jackson, HD, Steane, DA, McKinnon, GE, Potts, BM and Vaillancourt, RE 2001 , 'Chloroplast DNA phylogeography of Eucalyptus globulus' , Australian Journal of Botany, vol. 49, No. 5 , pp. 585-596 , doi: 10.1071/BT00094.

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Abstract

The pattern of variability in chloroplast DNA (cpDNA) of Eucalyptus globulus Labill. (Myrtaceae) was
studied using 270 samples from southern Australia. Forty variable sequence characters were found, defining 105
haplotypes. Haplotypes were assigned to three major cpDNA clades based on their phylogeny. The pattern of
cpDNA variation did not conform to subspecies boundaries; however, there was a strong geographic structure to the
distribution of clades and haplotypes. One clade (JC) was geographically central and widespread and was found in
163 samples from Tasmania and continental Australia. Less-common clades occurred in more localised regions—
southern (Js, 77 samples) and eastern (Jet, 12 samples). The distribution of the Jet and Js clades coincides with
hypothesised glacial refugia in Tasmania, suggesting limited seed-mediated dispersal since deglaciation.

Item Type: Article
Authors/Creators:Freeman, JS and Jackson, HD and Steane, DA and McKinnon, GE and Potts, BM and Vaillancourt, RE
Journal or Publication Title: Australian Journal of Botany
ISSN: 0067-1924
DOI / ID Number: 10.1071/BT00094
Additional Information:

BM Potts.

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