PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution54 (6): 563–603. doi:10.1111/jse.12229. ISSN16744918.
Parent's taxonomic references:
PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution54 (6): 563–603. doi:10.1111/jse.12229. ISSN16744918.