Journal article
Molecular analyses resolve the phylogenetic position of Polysiphonia adamsiae (Rhodomelaceae, Rhodophyta) and reveal a strong phylogeographic structure in Australia
P Díaz-Tapia, M Pasella, H Verbruggen
Phycologia | TAYLOR & FRANCIS LTD | Published : 2018
DOI: 10.2216/18-36.1
Abstract
Polysiphonia adamsiae was originally described from Tasmania and simultaneously reported in New Zealand. It has an unusual combination of morphological characters: 10–12 pericentral cells and rhizoids in open connection with the pericentral cells. Rhizoid anatomy is similar to that of the tribe Polysiphonieae. However, P. adamsiae differs from most members of the Polysiphonieae in having more than four pericentral cells, a character more common in the tribe Streblocladieae, which is characterised by having rhizoids cut off from pericentral cells. Because this species has not been investigated using molecular methods, it has not been clear to which tribe it belongs. We analysed phylogenetic r..
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Funding Acknowledgements
We thank Joana Costa, Kyatt Dixon, Guadalupe Bribiesca-Contreras and the Parks Victoria and Bush Blitz teams for assistance in the field. P.D.T. acknowledges support from the postdoctoral program 'Axudas de apoio a etapa de formacion posdoutoral, Xunta de Galicia'. M.M.P. acknowledges support by Campus World program of the Universita Politecnica delle Marche. Funding for the field and molecular work, including participation in a Bush Blitz expedition, a Bush Blitz Strategic Taxonomy Grant (TTC216-03) and a National Taxonomy Research Grant (RFL213-08), was provided by the Australian Biological Resources Study. Sampling in Tasmania was made possible through funding from the Holsworth Wildlife Research Endowment.