Neubig, K. M., Whitten, W. M., Carlsward, B., Blanco Coto, M. A., Endara, C. L., Williams, N. H., & Moore, M. (2008). Phylogenetic utility of ycf1 in orchids: A plastid gene more variable than matK.

Neubig, Kurt M., W. Mark Whitten, Barbara Carlsward, Mario Alberto Blanco Coto, Carmen Lorena Endara, Norris H. Williams, ja Michael Moore. Phylogenetic Utility of Ycf1 in Orchids: A Plastid Gene More Variable Than MatK. 2008.

Neubig, Kurt M., et al. Phylogenetic Utility of Ycf1 in Orchids: A Plastid Gene More Variable Than MatK. 2008.