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Birdbill Spikegrass

Chasmanthium ornithorhynchum

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

36
Good

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

Profile 29%

Will it fit your yard?

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

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 12 Florida counties.

Natural habitats

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

Swamps

Loblolly bay in a coastal swamp
Regional / representative. Shown: Southern coastal swamps, Florida to Virginia; state not identified, a neighboring state.Loblolly bay in a coastal swamp, Marian Ellis Rowan, 1901. Public domain. Source record.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 101 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

6CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Chasmanthium

  • 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
  • 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

Conservation status

Florida rankS2
Global rankNot available
FL statusNot verified
Federal statusNot verified

Conservation source

In your garden

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Sources