For Equisetum
Christenhusz, M.J.M., L. Bangiolo, M.W. Chase, M.F. Fay, C. Husby, M. Witkus, and J. Viruel. 2019. Phylogenetics, classification and typification of extant horsetails (Equisetum, Equisetaceae). Bot. J. Linn. Soc. 189: 311-352.
Des Marais, D.L., A. R. Smith, D.M. Britton, and K.M. Pryer. 2003. Phylogenetic relationships and evolution of extant horsetails, Equisetum, based on chloroplast DNA sequence data (rbcL and trnL-F). Int. J. Plant Sci. 164: 737-751.
Guillon, J.-M. 2004. Phylogeny of horsetails (Equisetum) based on the chloroplast rps4 gene and adjacent noncoding sequences. Systematic Botany 29: 251-259.
Hauke In Kramer, K.U., and P.S. Green. 1990. Pteridophytes and Gymnosperms. In K. Kubitzki, ed., The families and genera of vascular plants. Springer-Verlag, Berlin.
Hauke, R.L. 1993. Equisetaceae. 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.
Lellinger, D.B. 1985. A field manual of the ferns and fern allies of the United States and Canada. Smithsonian Institution Press, Washington, D.C.
Mickel, J.T. 1979. How to know the ferns and fern allies. Wm. C. Brown Company, Dubuque, Iowa.
Zhang & Turland in FoC (2013)