Index / Search / Cystopteris protrusa
§1 Plant
Cystopteris protrusa (Weath.) Blasdell
vernacular lowland bladderfern — species · Dryopteridaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Fern
- Family
- Dryopteridaceae Herter
- Genus
- Cystopteris
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 688 counties across 29 states/territories§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 688 counties across 29 states/territories.
Alabama view state ↗ 18 N ▾
Arkansas view state ↗ 24 N ▾
- Benton 05007
- Conway 05029
- Craighead 05031
- Crawford 05033
- Franklin 05047
- Garland 05051
- Hot Spring 05059
- Howard 05061
- Johnson 05071
- Logan 05083
- Madison 05087
- Newton 05101
- Phillips 05107
- Pike 05109
- Poinsett 05111
- Polk 05113
- Pope 05115
- Searcy 05129
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Van Buren 05141
- Washington 05143
- White 05145
Delaware view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 1 N ▾
Georgia view state ↗ 14 N ▾
Illinois view state ↗ 102 N ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Boone 17007
- Brown 17009
- Bureau 17011
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Jersey 17083
- Jo Daviess 17085
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- LaSalle 17099
- Lawrence 17101
- Lee 17103
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McHenry 17111
- McLean 17113
- Menard 17129
- Mercer 17131
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Randolph 17157
- Richland 17159
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Schuyler 17169
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Stark 17175
- Stephenson 17177
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Wayne 17191
- White 17193
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 20 N ▾
Iowa view state ↗ 8 N ▾
Kansas view state ↗ 23 N ▾
- Anderson 20003
- Atchison 20005
- Barton 20009
- Brown 20013
- Chautauqua 20019
- Cherokee 20021
- Clay 20027
- Doniphan 20043
- Douglas 20045
- Elk 20049
- Franklin 20059
- Greenwood 20073
- Jackson 20085
- Jefferson 20087
- Johnson 20091
- Leavenworth 20103
- Linn 20107
- Miami 20121
- Montgomery 20125
- Neosho 20133
- Sedgwick 20173
- Shawnee 20177
- Wyandotte 20209
Kentucky view state ↗ 70 N ▾
- Allen 21003
- Anderson 21005
- Barren 21009
- Bell 21013
- Boone 21015
- Bourbon 21017
- Boyd 21019
- Breathitt 21025
- Breckinridge 21027
- Bullitt 21029
- Butler 21031
- Caldwell 21033
- Calloway 21035
- Campbell 21037
- Carlisle 21039
- Carter 21043
- Clark 21049
- Clay 21051
- Crittenden 21055
- Edmonson 21061
- Estill 21065
- Fayette 21067
- Floyd 21071
- Franklin 21073
- Garrard 21079
- Grant 21081
- Hancock 21091
- Hardin 21093
- Harlan 21095
- Henderson 21101
- Henry 21103
- Hickman 21105
- Jackson 21109
- Jefferson 21111
- Jessamine 21113
- Johnson 21115
- Kenton 21117
- Lee 21129
- Lewis 21135
- Lincoln 21137
- Livingston 21139
- Lyon 21143
- Madison 21151
- Marion 21155
- Mason 21161
- McCreary 21147
- McLean 21149
- Meade 21163
- Menifee 21165
- Mercer 21167
- Monroe 21171
- Montgomery 21173
- Nicholas 21181
- Ohio 21183
- Owen 21187
- Pendleton 21191
- Perry 21193
- Pike 21195
- Robertson 21201
- Rockcastle 21203
- Rowan 21205
- Scott 21209
- Shelby 21211
- Spencer 21215
- Todd 21219
- Trigg 21221
- Union 21225
- Warren 21227
- Wayne 21231
- Woodford 21239
Louisiana view state ↗ 2 N ▾
Maryland view state ↗ 3 N ▾
Minnesota view state ↗ 6 N ▾
Mississippi view state ↗ 6 N ▾
Missouri view state ↗ 71 N ▾
- Adair 29001
- Atchison 29005
- Audrain 29007
- Barry 29009
- Barton 29011
- Benton 29015
- Bollinger 29017
- Boone 29019
- Butler 29023
- Cape Girardeau 29031
- Carter 29035
- Cedar 29039
- Christian 29043
- Clark 29045
- Clay 29047
- Clinton 29049
- Cooper 29053
- Crawford 29055
- Dade 29057
- Daviess 29061
- DeKalb 29063
- Dent 29065
- Dunklin 29069
- Franklin 29071
- Gasconade 29073
- Greene 29077
- Grundy 29079
- Harrison 29081
- Holt 29087
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Knox 29103
- Laclede 29105
- Lafayette 29107
- Lawrence 29109
- Lewis 29111
- Lincoln 29113
- Linn 29115
- Livingston 29117
- Madison 29123
- Marion 29127
- McDonald 29119
- Mercer 29129
- Monroe 29137
- Newton 29145
- Nodaway 29147
- Phelps 29161
- Pike 29163
- Platte 29165
- Polk 29167
- Pulaski 29169
- Putnam 29171
- Ralls 29173
- Randolph 29175
- Schuyler 29197
- Scott 29201
- Shelby 29205
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Ste. Genevieve 29186
- Stoddard 29207
- Stone 29209
- Sullivan 29211
- Taney 29213
- Warren 29219
- Wayne 29223
- Webster 29225
- Worth 29227
Nebraska view state ↗ 11 N ▾
New Jersey view state ↗ 4 N ▾
New York view state ↗ 4 N ▾
North Carolina view state ↗ 27 N ▾
- Alleghany 37005
- Ashe 37009
- Avery 37011
- Buncombe 37021
- Caldwell 37027
- Chatham 37037
- Forsyth 37067
- Graham 37075
- Greene 37079
- Guilford 37081
- Haywood 37087
- Jackson 37099
- Lee 37105
- Macon 37113
- Madison 37115
- McDowell 37111
- Mecklenburg 37119
- Moore 37125
- Polk 37149
- Rutherford 37161
- Stokes 37169
- Swain 37173
- Transylvania 37175
- Union 37179
- Watauga 37189
- Yadkin 37197
- Yancey 37199
Ohio view state ↗ 79 N ▾
- Adams 39001
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Auglaize 39011
- Belmont 39013
- Butler 39017
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Columbiana 39029
- Coshocton 39031
- Crawford 39033
- Cuyahoga 39035
- Darke 39037
- Defiance 39039
- Delaware 39041
- Erie 39043
- Franklin 39049
- Fulton 39051
- Gallia 39053
- Geauga 39055
- Greene 39057
- Guernsey 39059
- Hamilton 39061
- Hancock 39063
- Hardin 39065
- Harrison 39067
- Highland 39071
- Holmes 39075
- Huron 39077
- Jackson 39079
- Jefferson 39081
- Knox 39083
- Lake 39085
- Lawrence 39087
- Licking 39089
- Logan 39091
- Lorain 39093
- Madison 39097
- Mahoning 39099
- Marion 39101
- Medina 39103
- Meigs 39105
- Mercer 39107
- Miami 39109
- Monroe 39111
- Montgomery 39113
- Morgan 39115
- Morrow 39117
- Muskingum 39119
- Noble 39121
- Paulding 39125
- Perry 39127
- Pickaway 39129
- Pike 39131
- Portage 39133
- Preble 39135
- Putnam 39137
- Richland 39139
- Ross 39141
- Sandusky 39143
- Scioto 39145
- Seneca 39147
- Shelby 39149
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Union 39159
- Van Wert 39161
- Vinton 39163
- Warren 39165
- Washington 39167
- Wayne 39169
- Williams 39171
- Wood 39173
- Wyandot 39175
Oklahoma view state ↗ 1 N ▾
Pennsylvania view state ↗ 30 N ▾
- Allegheny 42003
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Butler 42019
- Centre 42027
- Chester 42029
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Fayette 42051
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Indiana 42063
- Jefferson 42065
- Lancaster 42071
- Lawrence 42073
- Luzerne 42079
- Lycoming 42081
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Washington 42125
- Westmoreland 42129
South Carolina view state ↗ 1 N ▾
Tennessee view state ↗ 74 N ▾
- Anderson 47001
- Bedford 47003
- Benton 47005
- Bledsoe 47007
- Blount 47009
- Bradley 47011
- Cannon 47015
- Carter 47019
- Cheatham 47021
- Claiborne 47025
- Clay 47027
- Cocke 47029
- Coffee 47031
- Cumberland 47035
- Davidson 47037
- Decatur 47039
- DeKalb 47041
- Dickson 47043
- Franklin 47051
- Giles 47055
- Grainger 47057
- Greene 47059
- Grundy 47061
- Hamilton 47065
- Hardin 47071
- Hawkins 47073
- Haywood 47075
- Hickman 47081
- Houston 47083
- Humphreys 47085
- Jackson 47087
- Knox 47093
- Lauderdale 47097
- Lawrence 47099
- Lewis 47101
- Lincoln 47103
- Loudon 47105
- Macon 47111
- Madison 47113
- Marion 47115
- Marshall 47117
- Maury 47119
- McNairy 47109
- Meigs 47121
- Monroe 47123
- Montgomery 47125
- Moore 47127
- Morgan 47129
- Obion 47131
- Overton 47133
- Perry 47135
- Pickett 47137
- Polk 47139
- Putnam 47141
- Roane 47145
- Robertson 47147
- Rutherford 47149
- Sequatchie 47153
- Sevier 47155
- Shelby 47157
- Smith 47159
- Stewart 47161
- Sullivan 47163
- Sumner 47165
- Tipton 47167
- Trousdale 47169
- Unicoi 47171
- Union 47173
- Van Buren 47175
- Warren 47177
- Washington 47179
- Wayne 47181
- Williamson 47187
- Wilson 47189
Texas view state ↗ 3 N ▾
Virginia view state ↗ 48 N ▾
- Albemarle 51003
- Alleghany 51005
- Amherst 51009
- Appomattox 51011
- Augusta 51015
- Bath 51017
- Bedford 51019
- Botetourt 51023
- Buchanan 51027
- Buckingham 51029
- Campbell 51031
- Charlotte 51037
- Chesterfield 51041
- Clarke 51043
- Craig 51045
- Cumberland 51049
- Dickenson 51051
- Fairfax 51059
- Fauquier 51061
- Floyd 51063
- Fluvanna 51065
- Giles 51071
- Goochland 51075
- Grayson 51077
- Greene 51079
- Halifax 51083
- Henry 51089
- Highland 51091
- Lee 51105
- Loudoun 51107
- Lunenburg 51111
- Mecklenburg 51117
- Montgomery 51121
- Nelson 51125
- Patrick 51141
- Pittsylvania 51143
- Prince Edward 51147
- Prince William 51153
- Pulaski 51155
- Rappahannock 51157
- Rockbridge 51163
- Russell 51167
- Scott 51169
- Smyth 51173
- Spotsylvania 51177
- Warren 51187
- Washington 51191
- Wise 51195
West Virginia view state ↗ 13 N ▾
Wisconsin view state ↗ 23 N ▾
- Buffalo 55011
- Clark 55019
- Crawford 55023
- Dane 55025
- Door 55029
- Grant 55043
- Green 55045
- Iowa 55049
- Kenosha 55059
- La Crosse 55063
- Menominee 55078
- Milwaukee 55079
- Ozaukee 55089
- Pepin 55091
- Racine 55101
- Rock 55105
- Sauk 55111
- Sheboygan 55117
- Trempealeau 55121
- Vernon 55123
- Walworth 55127
- Waukesha 55133
- Winnebago 55139
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CYPR4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2650810 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z