| Name | Cystopteris tennesseensis subsp. laurentiana (Weatherby) Windham |
| Authorship | (Weatherby) Windham |
| Rank | Subspecies |
| Placed in | Cystopteris ×tennesseensis Shaver |
| Citation | 2022 J. Bot. Res. Inst. Texas 16(1): 5, figs. 2-3 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cystopteris tennesseensis subsp. laurentiana (Weatherby) Windham |
| Identification made in | 2022 (1) |
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