Index / Search / Myriophyllum laxum
§1 Plant
Myriophyllum laxum Shuttlw. ex Chapm.
vernacular loose watermilfoil — species · Haloragaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Haloragaceae R. Br.
- Genus
- Myriophyllum
Native status, by region
- L48 Lower 48 States Native
County-level range
· 48 counties across 6 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 48 counties across 6 states/territories.
Alabama view state ↗ 6 N ▾
Florida view state ↗ 23 N ▾
- Baker 12003
- Bay 12005
- Clay 12019
- Escambia 12033
- Franklin 12037
- Gadsden 12039
- Gulf 12045
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Holmes 12059
- Jackson 12063
- Jefferson 12065
- Leon 12073
- Liberty 12077
- Okaloosa 12091
- Osceola 12097
- Pasco 12101
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Walton 12131
- Washington 12133
Georgia view state ↗ 11 N ▾
Mississippi view state ↗ 4 N ▾
North Carolina view state ↗ 2 N ▾
South Carolina view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/MYLA2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5361784 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z