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Limp Mannagrass

Glyceria laxa

Found in bogs, fens, seeps, wet meadows. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

40
Good

Native to West Virginia. How scores work Is it native here?

Profile 88%

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

At a glance

Life cycle
Perennial
Bloom
June to August

Not yet recorded · Spread · Leaves

Recorded in 2 West Virginia counties.

Natural habitats

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

1 of 3

Mountain bogs and fens

Wet, open, peaty mountain wetlands fed by seepage, often with sphagnum moss.

Seeps and springs

Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.

Wet meadows

Open, wet, grassy or sedgy ground that is not a bog.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

11CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Glyceria

  • Apamea devastatorGlassy Borer, Glassy Cutworm Moth
  • Apamea dubitansDoubtful Agroperina
  • Leucania commoidesDusky Wainscot, Comma Wainscot
  • Leucania lapidariaX
  • Limochores origenesCrossline Skipper
  • Mythimna oxygalaLesser Wainscot
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Plusia contextaConnected Looper Moth
  • Polites themistoclesTawny-Edged Skipper
  • Pseudohermonassa bicarneaPink-Spotted Dart
Show all 11
  • Pseudohermonassa tenuiculaMorrison's Sooty Dart
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Glyceria

  • Aythya americanaRedhead
  • Meleagris gallopavoWild Turkey
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

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

Growing and identification

Plant details

Family
Poaceae
Flower color
Not applicable

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

Growing sources and scope
Also known as

Limp Manna Grass

Conservation status

West Virginia rankS3
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources