Authors:
Max R. Brown1 , Richard J. Abbott2, Alex D. Twyford1,3,4
1 University of Edinburgh, Institute of Ecology and Evolution, Charlotte Auerbach Road, Edinburgh, EH9 3FL, UK
2 School of Biology, University of St Andrews, St Andrews, Fife, KY16 9TH, UK
3 Royal Botanical Garden Edinburgh, 20A Inverleith Row, Edinburgh, EH3 5LR, UK
4 Author for correspondence (e-mail Alex.Twyford@ed.ac.uk)
Contact emails: Max Brown: Max_Brown1000@hotmail.co.uk, Richard Abbott: rja@st-andrews.ac.uk, Alex Twyford: Alex.Twyford@ed.ac.uk
Running title: Cross-ploidy hybridisation