PPG I «A community-derived classification for extant lycophytes and ferns». Journal of Systematics and Evolution, 54, 6, 2016, p. 563–603. DOI: 10.1111/jse.12229.
termcat.cat
«Azolla caroliniana». Noms de plantes. Corpus de fitonímia catalana. TERMCAT, Centre de Terminologia. [Consulta: 4 novembre 2023].