Cystopteridaceae
Lowland bladderfern
Cystopteris protrusa
- Family
- Cystopteridaceae
- Genus
- Cystopteris
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Common names
By language (2)
- English
- Lowland bladderfern
- Persian
- سرخس بادکنکی جلگه
Synonyms
- Cystopteris fragilis f. protrusa (Weath.) Clute
- Cystopteris fragilis var. protrusa Weath.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Jaknouse, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Choess, CC BY-SA 3.0, from Wikimedia Commons Photo: Paula Maupin, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: Donald Litton, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons Photo: Maarten Vanhove, CC BY-SA 4.0, from Pl@ntNet via GBIF Photo: L Vorbeck, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Cystopteris
- Brittle bladderfernCystopteris fragilisCystopteridaceae
- Mountain bladderfernCystopteris montanaCystopteridaceae
- Sudeten bladder fernCystopteris sudeticaCystopteridaceae
- Cystopteris alpinaCystopteridaceae
- Dickie's bladder-fernCystopteris dickieanaCystopteridaceae
- Bulblet bladderfernCystopteris bulbiferaCystopteridaceae
- 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.