For Ceratopteris
Kinosian, S.P., W.D. Pearse, and P.G. Wolf. 2020a. Cryptic diversity in the model fern genus Ceratopteris (Pteridaceae). Molec. Phylogen. & Evol.
Kinosian, S.P., W.D. Pearse, and P.G. Wolf. 2020b. There and back again: reticulate evolution in Ceratopteris. Amer. Fern J. 110: 193-210.
Lin & Masuyama. 2013. In FoC.
Lloyd, R.M. 1993a. Parkeriaceae. In Flora of North America Editorial Committee. 1993b. Flora of North America north of Mexico. Volume 2, pteridophytes and gymnosperms. Oxford Univ. Press, New York, NY. 475 pp.
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