Index / Search / Isoetes tenella
§1 Plant
Isoetes tenella Léman
vernacular spiny-spore quillwort — species · Isoetaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Quillwort
- Family
- Isoetaceae Dumort.
- Genus
- Isoetes
Native status, by region
- AK Alaska Native
- CAN Canada Native
- GL Greenland Native
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
County-level range
· 159 counties across 15 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 159 counties across 15 states/territories.
Alaska view state ↗ 12 N ▾
Colorado view state ↗ 1 N ▾
Delaware view state ↗ 1 N ▾
Idaho view state ↗ 2 N ▾
Maine view state ↗ 16 N ▾
Massachusetts view state ↗ 10 N ▾
Minnesota view state ↗ 16 N ▾
New Hampshire view state ↗ 9 N ▾
New Jersey view state ↗ 14 N ▾
New York view state ↗ 29 N ▾
- Cattaraugus 36009
- Cayuga 36011
- Chautauqua 36013
- Clinton 36019
- Columbia 36021
- Cortland 36023
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Greene 36039
- Hamilton 36041
- Livingston 36051
- Nassau 36059
- Oneida 36065
- Orange 36071
- Oswego 36075
- Putnam 36079
- Rensselaer 36083
- Rockland 36087
- Schuyler 36097
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
Pennsylvania view state ↗ 13 N ▾
Rhode Island view state ↗ 2 N ▾
Utah view state ↗ 2 N ▾
Vermont view state ↗ 10 N ▾
Wisconsin view state ↗ 22 N ▾
- Ashland 55003
- Bayfield 55007
- Burnett 55013
- Chippewa 55017
- Douglas 55031
- Forest 55041
- Langlade 55067
- Lincoln 55069
- Marathon 55073
- Marinette 55075
- Menominee 55078
- Oconto 55083
- Oneida 55085
- Polk 55095
- Portage 55097
- Price 55099
- Sauk 55111
- Sawyer 55113
- Shawano 55115
- Taylor 55119
- Vilas 55125
- Washburn 55129
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ISTE5 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2688270 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z