For Huperziaceae
Beitel, J.M. 1979. Clubmosses (Lycopodium) in North America. Fiddlehead Forum 6: 1-8. Google Scholar
Chen, D.-K., X.-M. Zhou, C.J. Rothfels, L.D. Shepherd, R. Knapp, L. Zhang, N.T. Lu, X.-P. Fan, X. Wan, X.-F. Gao, H. He, and L.B. Zhang. 2021. A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania. Taxon Google Scholar
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. Google Scholar
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. Google Scholar
Mickel, J.T. 1979. How to know the ferns and fern allies. Wm. C. Brown Company, Dubuque, Iowa. Google Scholar
Øllgaard, B. 1987. A revised classification of the Lycopodiaceae s. lat. Opera Botanica 92: 153-178. Google Scholar
Øllgaard, B., and P.G. Windisch. 2014. Lycopodiaceae in Brazil. Conspectus of the family. I. The genera Lycopodium, Austrolycopodium, Diphasium, and Diphasiastrum. Rodriguésia 65: 293-309. Google Scholar
Øllgaard, B., M. Kessler, & A.R. Smith. 2018. Prodromus of a fern flora for Bolivia. II. Lycopodiaceae. Phytotaxa 334 (3): 255-294. Google Scholar
Øllgaard. 1990. 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. Google Scholar
Snyder, L.H., Jr., and J.G. Bruce. 1986. Field guide to the ferns and other pteridophytes of Georgia. Univ. of Georgia Press, Athens, GA. 270 pp. Google Scholar
Testo, W., A. Field, and D. Barrington. 2018. Overcoming among-lineage rate heterogeneity to infer the divergence times and biogeography of the clubmoss family Lycopodiaceae. J. Biogeography 45: 1929-1941. Google Scholar
Wagner, W.H., and J.M. Beitel. 1992. Generic classification of modern North American Lycopodiaceae. Ann. Mo. Bot. Gard. 79: 676-686. Google Scholar
Wikström, N., and P. Kenrick. 2000. Relationships of Lycopodium and Lycopodiella based on combined plastid rbcL gene and trnL intron sequence data. Systematic Bot. 25: 495-510. Google Scholar
Wikström, N., and P. Kenrick. 2001. Evolution of Lycopodiaceae (Lycopsida): estimating divergence times from rbcL gene sequences by use of nonparametric smoothing. Molecular Phylogenetics and Evolution 19: 177-186. Google Scholar