Template:Schwartsburd, Moraes & Lopes-Mattos, 2014
- Schwartsburd, P.B., Moraes, P.L.R. de & Lopes-Mattos, K.L.B. 2014. Recognition of two morpho-types in eastern South American brackens (Pteridium—Dennstaedtiaceae—Polypodiopsida). Phytotaxa 170(2): 103–117. DOI: 10.11646/phytotaxa.170.2.3