For Scrophulariaceae
Albach, D.C., H.M. Meudt, and B. Oxelman. 2005. Piecing together the "new" Plantaginaceae. Amer. J. Bot. 92: 297-315.
Beardsley, P.M., and R.G. Olmstead. 2002. Redefining Phrymaceae: the placement of Mimulus, tribe Mimuleae, and Phryma. Amer. J. Bot. 89: 1093-1102.
Olmstead, R.G., and P.A. Reeves. 1995. Evidence for the polyphyly of the Scrophulariaceae based on chloroplast rbcL and ndhF sequences. Ann. Missouri Bot. Gard. 82: 176-193.
Olmstead, R.G., C.W. dePamphilis, A.D. Wolfe, N.D. Young, W.J. Elisens, and P.A. Reeves. 2001. Disintegration of the Scrophulariaceae Amer. J. Bot. 88: 348-361.
Pennell, F.W. 1935. The Scrophulariaceae of eastern temperate North America. Academy of Natural Sciences of Philadelphia Monograph No. 1.
Rabeler, R.K., C.C. Freeman, and W.J. Elisens. 2019c. Scrophulariaceae. In Flora of North America Editorial Committee. 2019. Flora of North America north of Mexico. Volume 17, Magnoliophyta: Tetrachondraceae to Orobanchaceae. Oxford Univ. Press, New York, NY. 737 pp.
Schäferhoff, B., A. Fleischmann, E. Fischer, D.C. Albach, T. Borsch, G. Heubl, and K.F. Müller. 2010. Towards resolving Lamiales relationships: insights from rapidly evolving chloroplast sequences. BMC Evolutionary Biology, 10(1): 1-22.
Young, N.D., K.E. Steiner, and C.W. dePamphilis. 1999. The evolution of parasitism in Scrophulariaceae/Orobanchaceae: plastid gene sequences refute an evolutionary transition series. Ann. Missouri Bot. Garden 86: 876-893.
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