| Name | Cystopteris fragilis var. simulans (Weatherby) McGregor |
| Authorship | (Weatherby) McGregor |
| Rank | Variety |
| Placed in | Cystopteris fragilis (Linnaeus) Bernhardi |
| Citation | 1950 Amer. Fern J. 40: 204 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cystopteris fragilis var. simulans (Weatherby) McGregor |
| Identification made in | 1949 (1) |
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