Jessen, S., Bujnoch, W., Zenner, G., & Stark, C. (2011). Dryopteris lacunosa – eine neue Art des Dryopteris-affinis-Aggregats (Dryopteridaceae, Pteridophyta). Kochia, 5, 9–31. https://doi.org/10.21248/kochia.v5.101