For Dendrolycopodium
Haines, A.A. 2003a. The families Huperziaceae and Lycopodiaceae of New England: a taxonomic and ecological reference. V.F. Thomas Co., Bowdoin, ME. 100 pp.
Hickey, R.J. 1977. The Lycopodium obscurum complex in North America. Amer. Fern J. 67: 45-48.
Øllgaard 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.
Petlewski, A.R. 2020. Exploring Lycopodiaceae endophytes, Dendrolycopodium systematics, and the future of model fern systems. M.S. thesis, Cornell, Univ., Ithaca, NY.
Wagner, W.H., and J.M. Beitel. 1993. Lycopodiaceae. 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.
Wagner, W.H., J.M. Beitel, and R.C. Moran. 1989. Lycopodium hickeyi: a new species of North American clubmoss. Amer. Fern J. 79: 119-121.
Zhang & Iwatsuki in FoC (2013)