Solved!
The trees included node support data and this was causing the problem.
Thanks for your attention.
Juan
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Dr. Juan A. Balbuena
Cavanilles Institute of Biodiversity and Evolutionary Biology
Symbiont Ecology and Evolution Lab
University of Valencia http://www.uv.es/~balbuena
<http://www.uv.es/%7Ebalbuena>
P.O. Box 22085 http://www.uv.es/cophylpaco
<http://www.uv.es/cavanilles/zoomarin/index.htm>
46071 Valencia, Spain
e-mail: j.a.balbu...@uv.es <mailto:j.a.balbu...@uv.es>tel. +34 963 543
658 fax +34 963 543 733
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*NOTE!*For shipments by EXPRESS COURIER use the following street address:
C/ Catedrático José Beltrán 2, 46980 Paterna (Valencia), Spain.
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