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. 2014 Oct 8;9(10):e110029. doi: 10.1371/journal.pone.0110029

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© 2014 Viruel et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Populations of D. humilis subsp. polyanthes (Dhp01, Dhp02), yellow circles; northern populations of Dioscorea humilis subsp. humilis (Dhh01 to Dhh08), blue circles; southern populations of D. humilis subsp. humilis (Dhh09 to Dhh15), green circles.