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
Native to 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
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Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Perennial
- Bloom
- June to August
Not yet recorded · Spread · Leaves
Recorded in 6 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Wet, open, peaty mountain wetlands fed by seepage, often with sphagnum moss.
Open, wet, grassy or sedgy ground that is not a bog.
Who uses this plant?
9CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Glyceria
- Apamea devastatorGlassy Borer, Glassy Cutworm Moth
- Apamea dubitansDoubtful Agroperina
- Leucania commoidesDusky Wainscot, Comma Wainscot
- Limochores origenesCrossline Skipper
- Mythimna oxygalaLesser Wainscot
- Mythimna unipunctaArmyworm Moth, White Speck
- Plusia putnamiPutnam's Looper Moth, Lempke's Gold Spot
- Polites themistoclesTawny-Edged Skipper
- Pseudohermonassa bicarneaPink-Spotted Dart
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
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
Plant details
- Family
- Poaceae
- Flower color
- Not applicable
Growing sources and scope
- Bloom · “June to August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Not applicable” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 5 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Limp Manna Grass
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | G5 |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- NatureServe Explorer
- 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