Lowland Bladder Fern
Cystopteris protrusa
Found in rich woods or on moss- and soil-covered talus in boulderfields, loess bluffs, occasionally on ledges of rock outcrops. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 76%
- Height
- 6 inches–1.5 feet
- Spread
- 6 inches–1.5 feet
- Light
- Dappled sunlight, Deep shade, Partial shade
- Soil moisture
- Dry to wet
Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?No photograph yet. Looking for an old drawing…
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Perennial
- Leaves
- Deciduous
- Bloom
- April to June
Recorded in 1 Florida county.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Cliffs, ledges and rocky summits
Forests on moist but not wet ground, such as rich slopes and ravines.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 91 animals.
- Acadian FlycatcherEmpidonax virescens
- American CrowCorvus brachyrhynchos
- American GoldfinchCarduelis tristis
- American KestrelFalco sparverius
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Belted KingfisherMegaceryle alcyon
- Black VultureCoragyps atratus
- Black-and-White WarblerMniotilta varia
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Broad-winged HawkButeo platypterus
- Brown CreeperCerthia americana
- Brown ThrasherToxostoma rufum
- Carolina ChickadeePoecile carolinensis
- Carolina WrenThryothorus ludovicianus
- Cedar WaxwingBombycilla cedrorum
- Chimney SwiftChaetura pelagica
- Chipping SparrowSpizella passerina
Who uses this plant?
0CaterpillarsGenus host records with ranges including FL
0BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Cystopteridaceae
- Hardiness
- Zones 2b–9a
- Soil pH
- Neutral
- Flower color
- Not applicable
Growing sources and scope
- Bloom · “April to June” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Not applicable” · Lady Bird Johnson Wildflower Center
- Hardiness · “Zones 2b–9a” · NC Extension Plant Toolbox (ranked first; Missouri Botanical Garden Plant Finder differs)
- Height · “6 inches–1.5 feet” · NC Extension Plant Toolbox (ranked first; Minnesota Wildflowers differs)
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Dappled sunlight (shade through upper canopy all day); Deep shade (less than 2 hours to no direct sunlight); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Missouri Botanical Garden Plant Finder differs)
- Soil · “Dry; Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil pH · “Neutral” · NC Extension Plant Toolbox
- Spread · “6 inches–1.5 feet” · NC Extension Plant Toolbox
Also known as
Southern Bladder Fern
Conservation status
| Florida rank | S1 |
|---|---|
| Global rank | G5 |
| FL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Florida (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications