rootfast

Index / Search / Isoetes lacustris

§1 Plant

Isoetes lacustris L.

vernacular lake quillwort — species · Isoetaceae

USDA
ISLA
GBIF
2688270
Rank
species
lake quillwort (Isoetes lacustris)
Platephotograph · Samuel Brinker source · iNaturalist ↗

§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
  • GL Greenland Native
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 1 county across 1 state
Legend Native · 1 Introduced · 0 Both · 0 Hover a county for detail.

§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 1 county across 1 state.

Rhode Island view state ↗ 1 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/ISLA ↗

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-2026-05-25

fetched 2026-05-25T18:27:19Z