For Phelipanche
Collins, L.T., A.E.L. Colwell, and G. Yatskievych. 2019c. Orobanche. 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.
Musselman, L.J. 1982. The Orobanchaceae of Virginia. Castanea 47: 266-275.
Schneeweiss, G.M. 2013. Phylogenetic relationships and evolutionary trends in Orobanchaceae. Pp. 243-265 in: D.M. Joel, Gressel, J, Musselman, L.J., eds. Parasitic Orobanchaceae. Springer, Berlin.
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