Monograph of the Neotropical Fern Genus Polybotrya (Dryopteridaceae). Illinois Natural History Survey Bulletin, Champaign, IL, v. 34, n. 1-6, p. 1–138, 1987. DOI: 10.21900/j.inhs.v34.131. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/131.. Acesso em: 18 may. 2024.