Langeland, K.A., and S.F. Enloe. (2001) 2017. “Natural Area Weeds: Distinguishing Native and Non-Native "Boston Ferns" and ‘Sword Ferns’ (Nephrolepis spp.): SSAGR22/AG120, 12/2017”. EDIS 2017 (6). Gainesville, FL. https://doi.org/10.32473/edis-ag120-2001.