| Name | Cystopteris fragilis var. laurentiana Weatherby |
| Authorship | Weatherby |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cystopteris fragilis (Linnaeus) Bernhardi |
| GUID | urn:lsid:ipni.org:names:322865-2 |
| Citation | 1926 Rhodora 28: 129 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cystopteris fragilis var. laurentiana Weatherby |
| Identification made in | [no date] (2), 1926 (1) |
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