Parrot-feather
Myriophyllum aquaticum
Found in ditches, slow-moving rivers, pools, ponds. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Not native to Mississippi. How scores work Is it native here?
Profile 76%
- Height
- 5–6 feet
- Spread
- 5–6 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Wet to standing water
Do not plant. Listed invasive in Mississippi.
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At a glance
- Life cycle
- Perennial
- Bloom
- April to September
Not yet recorded · Leaves
Recorded in 29 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Still water and its edges: ponds, lakes, millponds and reservoirs.
Who uses this plant?
6CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · Myriophyllum
- Argyrotaenia ivanaIvana Leafroller Moth
- Choristoneura parallelaParallel-Banded Leafroller, Spotted Fireworm Moth
- Elophila obliteralisWaterlily Leafcutter Moth
- Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
- Parapoynx badiusalisChestnut-Marked Pondweed Moth
- Spodoptera latifasciaOrange-Striped Armyworm, Velvet Armyworm Moth
—BeesSoutheastern regional records
—Specialist beesPollen specialists
7BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Myriophyllum
- Anas platyrhynchosMallard
- Aythya affinisLesser Scaup
- Aythya collarisRing-necked Duck
- Cygnus olorMute Swan
- Fulica americanaAmerican Coot
- Mareca americanaAmerican Wigeon
- Mareca streperaGadwall
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
Plant details
- Family
- Haloragaceae
- Hardiness
- Zones 6a–10b
- Flower color
- Yellow or green
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Yellow or green” · NC Extension Plant Toolbox
- Hardiness · “Zones 6a–10b” · NC Extension Plant Toolbox
- Height · “5–6 feet” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Frequent standing water” · NC Extension Plant Toolbox
- Spread · “5–6 feet” · NC Extension Plant Toolbox
Also known as
Myriophyllum brasiliense; Parrot Feather
Conservation status
| Mississippi rank | SNA |
|---|---|
| Global rank | GNR |
| MS status | Not verified |
| Federal status | Not verified |
Sources
- NatureServe Explorer
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025)
- Mississippi occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications