^Christenhusz, M.J.M.; Zhang, X.C. & Schneider, H. (2011), "A linear sequence of extant families and genera of lycophytes and ferns", Phytotaxa, 19 (1): 7, doi:10.11646/phytotaxa.19.1.2
^PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID39980610