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CCDB → Pteridophytes → Cystopteridaceae → Cystopteris → Cystopteris fragilis f. simulans Weath.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cystopteris fragilis f. simulans Weath. | Cystopteris utahensis Windham & Haufler | 84 | Cave1956supp | Wagner 1955 |