| NOUN | plant | mountain bladder fern, Cystopteris montana | fern of rocky mountainous areas of hemisphere |
|---|
| Meaning | fern of rocky mountainous areas of hemisphere. | |
|---|---|---|
| Synonym | Cystopteris montana | |
| Broader | bladder fern | Any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori |