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Chapman's Redtop

Tridens flavus var. chapmanii

Found in sandhills; forests and woodlands; prairies and grasslands; roadsides, fields and disturbed ground; maritime forests and thickets; Coastal dunes and beaches. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you

28
Good

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

Profile 88%

Height
Up to about 6 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
August to October

Not yet recorded · Spread · Leaves

Recorded in 13 Florida counties.

Natural habitats

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

1 of 6

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

Prairies and grasslands

Grand Prairie, Coosa Valley Prairies, Floyd County
Limestone prairie. Shown: Grand Prairie, Coosa Valley Prairies, Floyd County, Georgia, a neighboring state.Grand Prairie, Coosa Valley Prairies, Floyd County, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record.

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Maritime forests and thickets

Salt-pruned forests and shrub thickets behind coastal dunes.

Coastal dunes and beaches

Open sand of beaches, dunes and the hollows between them.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 104 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

7CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Tridens

  • Cercyonis pegalaCommon Wood Nymph
  • Dargida diffusaWheat Head Armywotm Moth
  • Heliocheilus paradoxusParadoxical Grass Moth
  • Lerema acciusClouded Skipper, Corn Leaf tier
  • Limochores origenesCrossline Skipper
  • Lon zabulonZabulon Skipper
  • Vernia vernaLittle Glassywing
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
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
Flower color
Green, purple or brown

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

Growing sources and scope
Also known as

Chapmans Purpletop; Chapmans Tridens; Tridens flavus var. chapmanii

Conservation status

Florida rankSNR
Global rankG5T3 [G3]
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

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How to check your spot

Sources