Index / Search / Isoetes engelmannii
§1 Plant
Isoetes engelmannii A. Braun
vernacular Appalachian quillwort — species · Isoetaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Quillwort
- Family
- Isoetaceae Dumort.
- Genus
- Isoetes
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 265 counties across 19 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 265 counties across 19 states/territories.
Delaware view state ↗ 2 N ▾
Georgia view state ↗ 12 N ▾
Illinois view state ↗ 1 N ▾
Indiana view state ↗ 7 N ▾
Kentucky view state ↗ 22 N ▾
Massachusetts view state ↗ 7 N ▾
Mississippi view state ↗ 4 N ▾
New Hampshire view state ↗ 2 N ▾
New Jersey view state ↗ 16 N ▾
New York view state ↗ 24 N ▾
- Albany 36001
- Bronx 36005
- Broome 36007
- Cayuga 36011
- Chautauqua 36013
- Chenango 36017
- Columbia 36021
- Cortland 36023
- Franklin 36033
- Hamilton 36041
- Orange 36071
- Putnam 36079
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Schuyler 36097
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Washington 36115
- Wayne 36117
- Westchester 36119
North Carolina view state ↗ 42 N ▾
- Alexander 37003
- Alleghany 37005
- Ashe 37009
- Avery 37011
- Beaufort 37013
- Bladen 37017
- Brunswick 37019
- Caldwell 37027
- Carteret 37031
- Chatham 37037
- Cherokee 37039
- Clay 37043
- Columbus 37047
- Craven 37049
- Edgecombe 37065
- Forsyth 37067
- Gaston 37071
- Graham 37075
- Granville 37077
- Guilford 37081
- Harnett 37085
- Haywood 37087
- Henderson 37089
- Iredell 37097
- Jackson 37099
- Johnston 37101
- Jones 37103
- Macon 37113
- McDowell 37111
- Mitchell 37121
- Onslow 37133
- Pamlico 37137
- Pender 37141
- Polk 37149
- Rowan 37159
- Rutherford 37161
- Sampson 37163
- Stokes 37169
- Transylvania 37175
- Wake 37183
- Watauga 37189
- Yancey 37199
Pennsylvania view state ↗ 42 N ▾
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Cameron 42023
- Carbon 42025
- Centre 42027
- Chester 42029
- Clearfield 42033
- Clinton 42035
- Columbia 42037
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Fayette 42051
- Franklin 42055
- Fulton 42057
- Huntingdon 42061
- Indiana 42063
- Juniata 42067
- Lackawanna 42069
- Lancaster 42071
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Northumberland 42097
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Somerset 42111
- Susquehanna 42115
- Union 42119
- Warren 42123
- Wayne 42127
- Westmoreland 42129
- York 42133
Rhode Island view state ↗ 2 N ▾
South Carolina view state ↗ 10 N ▾
Tennessee view state ↗ 17 N ▾
Vermont view state ↗ 3 N ▾
Virginia view state ↗ 33 N ▾
- Albemarle 51003
- Alleghany 51005
- Amelia 51007
- Amherst 51009
- Augusta 51015
- Botetourt 51023
- Charlotte 51037
- Craig 51045
- Cumberland 51049
- Dinwiddie 51053
- Fairfax 51059
- Fauquier 51061
- Giles 51071
- Greensville 51081
- Highland 51091
- James City 51095
- King George 51099
- Loudoun 51107
- Madison 51113
- Northampton 51131
- Nottoway 51135
- Page 51139
- Prince Edward 51147
- Pulaski 51155
- Rappahannock 51157
- Roanoke 51161
- Rockingham 51165
- Scott 51169
- Shenandoah 51171
- Southampton 51175
- Sussex 51183
- Warren 51187
- Wythe 51197
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ISEN ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2688326 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T06:33:17Z