Waxy Mannagrass
Glyceria declinata
In the Carolinas and Georgia, found in disturbed moist areas. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Not native to Louisiana. How scores work Is it native here?
Profile 53%
- Light
- Partial shade, Full shade
- Soil moisture
- Moist to wet
At a glance
Not yet recorded · Height · Spread · Life cycle · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 10 Louisiana parishes.
Who uses this plant?
4CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Glyceria
- Leucania commoidesDusky Wainscot, Comma Wainscot
- Limochores origenesCrossline Skipper
- Mythimna unipunctaArmyworm Moth, White Speck
- Polites themistoclesTawny-Edged Skipper
—BeesSoutheastern regional records
—Specialist 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
Plant details
- Family
- Poaceae
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Light · “Partial shade; Full shade (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
Conservation status
| Louisiana rank | SNA |
|---|---|
| Global rank | GNR |
| LA status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- NatureServe Explorer
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025)
- Louisiana 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