Index / Search / Cystopteris fragilis

§1 Plant

Cystopteris fragilis (L.) Bernh.

vernacular brittle bladderfern — species · Dryopteridaceae


USDA
CYFR2
GBIF
2650818
Rank
species
brittle bladderfern (Cystopteris fragilis)
Platephotograph · Muriel BendelCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Fern
Family
Dryopteridaceae Herter
Genus
Cystopteris
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • GL Greenland Native
  • HI Hawaii Introduced
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 267 counties across 16 states/territories
Legend Native · 267 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.


§4Counties, by state

Recorded in 267 counties across 16 states/territories.

Alaska view state ↗ 23 N
Arizona view state ↗ 10 N
Illinois view state ↗ 2 N
Iowa view state ↗ 15 N
Kansas view state ↗ 14 N
Kentucky view state ↗ 2 N
Maine view state ↗ 16 N
Massachusetts view state ↗ 10 N
Minnesota view state ↗ 36 N
Montana view state ↗ 13 N
New Hampshire view state ↗ 10 N
New Jersey view state ↗ 13 N
New York view state ↗ 58 N
Pennsylvania view state ↗ 31 N
Vermont view state ↗ 13 N
Virginia view state ↗ 1 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CYFR2 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2650818 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T07:25:30Z