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Birdbill Spikegrass

Chasmanthium ornithorhynchum

Found in blackwater swamp forests. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

42
Good

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

Profile 29%

Will it fit your yard?

At a glance

Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 7 Mississippi counties.

Natural habitats

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

Swamps

Forested wetlands with standing water much of the year, such as cypress and gum swamps.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 98 animals.

All wildlife of Mississippi

Ecological relationships

Who uses this plant?

What these records mean

8CaterpillarsGenus host records with ranges including MS

Genus host records with ranges including MS · Chasmanthium

  • Amblyscirtes belliBell's Roadside-Skipper
  • Amblyscirtes hegonPepper and Salt Skipper
  • Amblyscirtes vialisCommon Roadside-Skipper, Black Little Skipper
  • Atrytone byssusByssus Skipper, Golden Skipper
  • Cyllopsis gemmaGemmed Satyr
  • Lerema acciusClouded Skipper, Corn Leaf tier
  • Lethe anthedonNorthern Pearly Eye
  • Lon zabulonZabulon Skipper
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Chasmanthium

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
—BirdsRecorded genus food-resource interactions; not a state feeding claim

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

Growing and identification

Plant details

Family
Poaceae

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

Conservation status

Mississippi rankS3
Global rankNot available
MS statusNot verified
Federal statusNot verified

Conservation source

In your garden

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Sources