Slim-bristle Sandspur
Cenchrus brownii
Found in disturbed areas, maritime grasslands. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 88%
- Height
- Up to about 3 feet
- Light
- Full sun
- Soil moisture
- Dry to moist
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Annual
- Bloom
- March to December
Not yet recorded · Spread · Leaves
Recorded in 5 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
11CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Cenchrus
- Anicla infectaGreen Cutworm Moth
- Dargida diffusaWheat Head Armywotm Moth
- Helicoverpa zeaCorn Earworm Moth
- Hylephila phyleusFiery Skipper
- Lerema acciusClouded Skipper, Corn Leaf tier
- Lerodea eufalaEufala Skipper, Gray Skipper, Rice Leafroller
- Mocis latipesSmall Mocis, Striped Grass Looper
- Mythimna sequaxWheat Armyworm
- Mythimna unipunctaArmyworm Moth, White Speck
- Nola cereellaSorghum Cutworm, Sorghum Webworm Moth, Sorgham Webworm Moth
Show all 11
- Spodoptera frugiperdaFall Armyworm Moth
1BeesSoutheastern regional records
Southeastern regional records · Cenchrus
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
7BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Cenchrus
- Cardinalis cardinalisNorthern Cardinal
- Passerina cirisPainted Bunting
- Pheucticus ludovicianusRose-breasted Grosbeak
- Porzana carolinaSora
- Tympanuchus phasianellusSharp-tailed Grouse
- Vireo olivaceusRed-eyed Vireo
- Zenaida asiaticaWhite-winged Dove
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
- Green or brown
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “March to December” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 3 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Slim bristle Sandspur
Conservation status
| Florida rank | SX |
|---|---|
| Global rank | G4G5 |
| FL 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
- Atlas of Florida Plants
- USDA PLANTS
- 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

