Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: bladder fern  bla-dur furn
  1. Any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori

Derived forms: bladder ferns

Type of: fern

Part of: Cystopteris, genus Cystopteris

Encyclopedia: Bladder fern