Index / Search / Hydrilla verticillata

§1 Plant

Hydrilla verticillata (L. f.) Royle

vernacular waterthyme — species · Hydrocharitaceae


USDA
HYVE3
GBIF
5329570
Rank
species
waterthyme (Hydrilla verticillata)
Platephotograph · Ad KoningsCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Monocot
Family
Hydrocharitaceae Juss.
Genus
Hydrilla
§2a

Native status, by region

  • L48 Lower 48 States Introduced
§2b

County-level range

· 67 counties across 16 states/territories
Legend Native · 0 Introduced · 67 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 67 counties across 16 states/territories.

Alabama view state ↗ 3 I
Arizona view state ↗ 1 I
Arkansas view state ↗ 3 I
District of Columbia view state ↗ 1 I
Florida view state ↗ 22 I
Georgia view state ↗ 2 I
Indiana view state ↗ 2 I
Kentucky view state ↗ 6 I
Louisiana view state ↗ 12 I
Maine view state ↗ 1 I
Massachusetts view state ↗ 3 I
Mississippi view state ↗ 2 I
New Jersey view state ↗ 1 I
New York view state ↗ 2 I
Tennessee view state ↗ 1 I
Virginia view state ↗ 5 I

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/HYVE3 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5329570 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T09:28:40Z