The phylogeny of yuccas.
Pellmyr O, Segraves KA, Althoff DM, Balcázar-Lara M, Leebens-Mack J.
Pellmyr O, et al. Among authors: althoff dm.
Mol Phylogenet Evol. 2007 May;43(2):493-501. doi: 10.1016/j.ympev.2006.12.015. Epub 2006 Dec 31.
Mol Phylogenet Evol. 2007.
PMID: 17289405