Grabowska B., Kubala T., 2012. Genus Polypodium L. and Polypodium vulgare L. complex in the collections of Polish botanical gardens [W:] Szczęśniak E. Gola E. (red) Genus Polypodium L. in Poland. Polish Botanical Society, Wrocław: 123-130.

Grabowska B., Kubala T., 2012. Genus <i>Polypodium</i> L. and <i>Polypodium vulgare</i> L. complex in the collections of Polish botanical gardens [W:] Szczęśniak E. Gola E. (red) Genus <i>Polypodium</i> L. in Poland. Polish Botanical Society, Wrocław: 123-130.