WINDHAM, M. D.; PRYER, K. M. First report of Utah fragile fern (Cystopteris: Cystopteridaceae) from New Mexico, and new nomenclatural combinations in Cystopteris tenneseensis. Journal of the Botanical Research Institute of Texas, [S. l.], v. 16, n. 1, p. 1–7, 2022. DOI: 10.17348/jbrit.v16.i1.1215. Disponível em: https://journals.brit.org/jbrit/article/view/1215. Acesso em: 9 feb. 2023.