Cystopteris fragilis (L.) Bernh. - Accepted: Cystopteris fragilis (L.) Bernh. bei Zander 2008; Familie: Woodsiaceae (Zander 2008)
Cystopteris fragilis (L.) Bernh. - Accepted: Cystopteris fragilis (L.) Bernh. bei The Plant List (2014), version 1.1; Familie: Cystopteridaceae (PPG I)

Kew Gardens and Collaborators (2017): Plants of the World Online. see: plantsoftheworldonline.org.;

The International Plant Names Index (2009). Published on the Internet http://www.ipni.org; Courtesy to IPNI, 2009. Exported from IPNI at date: 2009-09-22 20:17:51;