Cystopteridaceae
Brittle bladderfern
Cystopteris fragilis
- Family
- Cystopteridaceae
- Genus
- Cystopteris
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Common names
By language (21)
- Belarusian
- Цыстоптэрыс ломкі
- Bulgarian
- Обикновена крехка папрат
- Chinese
- 冷蕨, 皺孢冷蕨, 卤蕨
- Czech
- Puchýřník křehký
- Dutch
- Blaasvaren
- English
- Brittle bladderfern, Bladder fern, Brittle bladder fern, Brittle fern, Fragile fern, Brittle bladder-fern, Common fragile fern
- Estonian
- Habras põisjalg
- Finnish
- Haurasloikko
- French
- Cystoptéris
- German
- Zerbrechlicher Blasenfarn
- Icelandic
- Tófugras
- Irish
- Raithneach bhriosc
- Lithuanian
- Trapioji sprakšė
- Norwegian Bokmål
- Skjørlok
- Persian
- سرخس بادکنکی شکننده
- Polish
- Paprotnica krucha
- Russian
- Пузырник ломкий
- Slovenian
- Krhka priščanica
- Swedish
- Stenbräken
- Ukrainian
- Міхурниця ламка
- Welsh
- Ffiolredynen Frau
Synonyms
- Aspidium fragile var. fumarioides M.Martens & Galeotti
- Asplenicystopteris blindii (P.Parm.) P.Fourn.
- Cystopteris blindi P.Parm.
- Cystopteris filix-fragilis (L.) Gilib.
- Cystopteris fragilis f. angustata (Hoffm.) Milde
- Cystopteris fragilis f. anthriscifolia (Hoffm.) Milde
- Cystopteris fragilis f. cynapifolia (Hoffm.) Milde
- Cystopteris fragilis f. fragilis
- Cystopteris fragilis var. baenitzii (Dörfl.) Asch. & P.Graebn.
- Cystopteris fragilis var. genuina Bernoulli
- Cystopteris maborasensis Masam.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Greenland: native, Hawaii: introduced, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Federico Biguzzi, CC0, from iNaturalist 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons Photo: karina.samyn, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Ljaž, CC BY 4.0, from iNaturalist 
Photo: Daderot, CC0, from Wikimedia Commons Photo: paddy_28, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Federico Biguzzi, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons Photo: jeroen.b.stegeman, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Braden J. Judson, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Cystopteris
- Mountain bladderfernCystopteris montanaCystopteridaceae
- Sudeten bladder fernCystopteris sudeticaCystopteridaceae
- Cystopteris alpinaCystopteridaceae
- Dickie's bladder-fernCystopteris dickieanaCystopteridaceae
- Bulblet bladderfernCystopteris bulbiferaCystopteridaceae
- Lowland bladderfernCystopteris protrusaCystopteridaceae
- Upland brittle bladderfernCystopteris tenuisCystopteridaceae
- Cystopteris chinensisCystopteridaceae
- Cystopteris diaphanaCystopteridaceae
- Douglas' bladderfernCystopteris douglasiiCystopteridaceae
- Cystopteris modestaCystopteridaceae
- Cystopteris moupinensisCystopteridaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.