Cystopteris diaphana

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Cystopteris diaphana
Scientific classification e
Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida/Pteridopsida
Order: Polypodiales
(unranked): Eupolypods II
Family: Cystopteridaceae
Genus: Cystopteris
Species: C. diaphana
Binomial name
Cystopteris diaphana
(Bory) Blasdell

Cystopteris diaphana, the greenish bladder-fern[1] or diaphanous bladder-fern, is a fern in the family Cystopteridaceae.


It is found locally on the Atlantic seaboard of Europe.

Status in Britain[edit]

The species was found for the first time in Britain in February 2000 on the banks of the River Camel in Cornwall (Murphy & Rumsey, 2005). [2] [3])


  1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17. 
  2. ^ Murphy, R. J. and F. J. Rumsey (2005) Cystopteris diaphana (Bory) Blasdell (Woodsiaceae) - an overlooked native new to the British Isles Watsonia 25: 255-26
  3. ^ Rumsey,F.J. 2007. An early specimen of Cystpteris diaphana (Bory) Blasdell supports its native status. Watsonia 2007 26 : 489 - 490. "Archived copy" (PDF). Archived from the original (PDF) on 2007-09-27. Retrieved 2007-07-22.