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Cystopteris bulbifera
| Bulblet bladder fern, Bladder fern |
|
Cystopteris fragilis
| Brittle fragile fern; Brittle bladder fern |
|
Cystopteris protrusa
| Woodland fragile fern; Southern bladder fern, Lowland bladder fern |
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Cystopteris tennesseensis
| Tennessee fragile fern,Tennessee bladder fern |
|
Cystopteris tenuis
| Mackay's fragile fern; Mackay's brittle fern, Slender fragile fern, Upland brittle bladder fern |