Cystopteris Bernh.
(bladder ferns)

Subtaxon	Rank	No of images	No of ID refs
Cystopteris diaphana Diaphanous Bladder-fern, Greenish Bladder-fern	Species		1 ident. refs
Cystopteris dickieana Dickie’s Bladder-fern	Species		1 ident. refs
Cystopteris fragilis Brittle Bladder-fern	Species	31 images	1 ident. refs

Taxonomic hierarchy:

Genus	Cystopteris (bladder ferns)
Family	CYSTOPTERIDACEAE (a family of ferns)
Order	POLYPODIALES (an order of ferns)
Class	POLYPODIOPSIDA (a class of ferns)
Phylum	PTERIDOPHYTA (ferns and allies)
Subkingdom	VIRIDIPLANTAE (lower green plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Cystopteris is also a member of:
Macrophytes - multi-cellular plants (via Pteridophyta)

Identification Works

	Author	Year	Title	Source
	Murphy, R.J. & Rumsey, F.J.	2005	Cystopteris diaphana (Bory) Blasdell (Woodsiaceae) - an overlooked native new to the British Isles?	Watsonia Vol 25 (3): 255-263.
	Rumsey, F.	2003	Identification: Bladder-ferns Cystopteris of the British Isles	British Wildlife Vol 15, No. 2: 93-96.

Cystopteris (bladder ferns) may also be included in identification literature listed under the following higher taxa:

PTERIDOPHYTA
(ferns and allies)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

NBN (data.nbn.org.uk) has a distribution map for Cystopteris (bladder ferns)

BioInfo (www.bioinfo.org.uk) has 2 host/parasite/foodplant and/or other relationships for Cystopteris (bladder ferns)

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Taxonomic hierarchy:

Cystopteris is also a member of:

Identification Works

BioImages - Virtual Field-Guide (UK)