Wake David B, Hadly Elizabeth A, Ackerly David D
Department of Integrative Biology, Museum of Vertebrate Zoology, and Jepson Herbarium, University of California, Berkeley, CA 94720, USA.
Proc Natl Acad Sci U S A. 2009 Nov 17;106 Suppl 2(Suppl 2):19631-6. doi: 10.1073/pnas.0911097106. Epub 2009 Nov 16.