Contrasting patterns of support among plastid genes and genomes for major clades of the monocotyledons

Jerrold I. Davis, Joel R. McNeal, Craig F. Barrett, Mark W. Chase, James I. Cohen, Melvin R. Duvall, Thomas J. Givnish, Sean W. Graham, Gitte Petersen, J. Chris Pires, Ole Seberg, Dennis W. Stevenson, Jim Leebens-Mack