Index / Search / Ophioglossum engelmannii
§1 Plant
Ophioglossum engelmannii Prantl
vernacular limestone adderstongue — species · Ophioglossaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Fern
- Family
- Ophioglossaceae Martinov
- Genus
- Ophioglossum
Native status, by region
- L48 Lower 48 States Native
County-level range
· 273 counties across 18 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 273 counties across 18 states/territories.
Alabama view state ↗ 23 N ▾
- Bibb 01007
- Blount 01009
- Butler 01013
- Chilton 01021
- Choctaw 01023
- Clay 01027
- Colbert 01033
- Coosa 01037
- Crenshaw 01041
- Dallas 01047
- Franklin 01059
- Greene 01063
- Jackson 01071
- Jefferson 01073
- Lawrence 01079
- Lee 01081
- Lowndes 01085
- Macon 01087
- Madison 01089
- Morgan 01103
- Russell 01113
- Shelby 01117
- Wilcox 01131
Arizona view state ↗ 2 N ▾
Arkansas view state ↗ 20 N ▾
Florida view state ↗ 4 N ▾
Georgia view state ↗ 6 N ▾
Illinois view state ↗ 9 N ▾
Indiana view state ↗ 6 N ▾
Kansas view state ↗ 22 N ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Bourbon 20011
- Chautauqua 20019
- Cherokee 20021
- Coffey 20031
- Cowley 20035
- Crawford 20037
- Douglas 20045
- Elk 20049
- Jackson 20085
- Johnson 20091
- Leavenworth 20103
- Lyon 20111
- Marion 20115
- Miami 20121
- Montgomery 20125
- Neosho 20133
- Osage 20139
- Wabaunsee 20197
- Wilson 20205
Kentucky view state ↗ 21 N ▾
Louisiana view state ↗ 7 N ▾
Mississippi view state ↗ 6 N ▾
Missouri view state ↗ 60 N ▾
- Barry 29009
- Benton 29015
- Boone 29019
- Butler 29023
- Callaway 29027
- Camden 29029
- Cape Girardeau 29031
- Carroll 29033
- Carter 29035
- Cass 29037
- Cedar 29039
- Christian 29043
- Clay 29047
- Cole 29051
- Cooper 29053
- Crawford 29055
- Dade 29057
- Dallas 29059
- Dent 29065
- Douglas 29067
- Franklin 29071
- Greene 29077
- Henry 29083
- Hickory 29085
- Howell 29091
- Iron 29093
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Laclede 29105
- Lawrence 29109
- Lincoln 29113
- Marion 29127
- McDonald 29119
- Miller 29131
- Monroe 29137
- Montgomery 29139
- Morgan 29141
- Newton 29145
- Oregon 29149
- Osage 29151
- Ozark 29153
- Perry 29157
- Pettis 29159
- Phelps 29161
- Polk 29167
- Randolph 29175
- Ripley 29181
- Saline 29195
- Shannon 29203
- St. Clair 29185
- St. Louis 29189
- Ste. Genevieve 29186
- Stone 29209
- Taney 29213
- Vernon 29217
- Washington 29221
- Wayne 29223
- Wright 29229
Oklahoma view state ↗ 21 N ▾
Pennsylvania view state ↗ 1 N ▾
Tennessee view state ↗ 19 N ▾
Texas view state ↗ 34 N ▾
- Anderson 48001
- Austin 48015
- Bailey 48017
- Bastrop 48021
- Bell 48027
- Brazos 48041
- Brown 48049
- Cameron 48061
- Cherokee 48073
- Comal 48091
- Cooke 48097
- Dallas 48113
- Denton 48121
- Fannin 48147
- Gillespie 48171
- Gonzales 48177
- Grayson 48181
- Hamilton 48193
- Harris 48201
- Henderson 48213
- Houston 48225
- Kaufman 48257
- Limestone 48293
- Llano 48299
- McLennan 48309
- Montague 48337
- Nacogdoches 48347
- Parker 48367
- Robertson 48395
- San Augustine 48405
- Tarrant 48439
- Travis 48453
- Walker 48471
- Wilson 48493
Virginia view state ↗ 11 N ▾
West Virginia view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/OPEN ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2650131 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z