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Millet Beaksedge

Rhynchospora miliacea

In the Carolinas and Georgia, found in swamp forests, including maritime swamp forests. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

39
Good

Native to Louisiana. How scores work Is it native here?

Profile 88%

Height
Up to about 5 feet
Light
Partial shade, Full shade, Full sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to August

Not yet recorded · Spread · Leaves

Recorded in 7 Louisiana parishes.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Swamps

The Land of Evangeline
Joseph Rusling Meeker, The Land of Evangeline (1874): moss-hung trees over a still bayou in Louisiana swamp forest. Regional view: the painting does not name the exact site. Louisiana bayou country (Meeker, The Land of Evangeline, 1874)The Land of Evangeline, Joseph Rusling Meeker, 1874. Public domain. Source record.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Louisiana. Shared habitat, not food. 59 animals.

Widespread birds also seen here (17)

Found in many habitats here, so not listed above.

All wildlife of Louisiana

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Rhynchospora

  • Euphyes dukesiDukes' Skipper
  • Lethe appalachiaAppalachian Brown, Appalachian Eyed Brown
  • Synchlora frondariaSouthern Emerald
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
4BeesSoutheastern regional records

Southeastern regional records · Rhynchospora

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
4BirdsRecorded eating Rhynchospora in Louisiana

Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Louisiana, most records first.

Avian Diet Database (Hurlbert Lab)

Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Birds that eat Rhynchospora 4

Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.

Growing and identification

Plant details

Family
Cyperaceae
Flower color
Brown

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Conservation status

Louisiana rankS3
Global rankG5
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources