Dominican Signalgrass
Urochloa adspersa
Found in moist, sunny, disturbed areas, coastal strands, rockland hammock edges, shell middens. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 41%
- Light
- 4 or more hours of direct sun
No photograph yet. Looking for an old drawing…
At a glance
Not yet recorded · Height · Spread · 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 17 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.
Dense, evergreen groves of live oak, magnolia and other hardwoods in the southern Coastal Plain, from dry oak domes to wet hydric hammocks and south Florida's tropical hammocks; salt-shaped maritime hammocks are maritime forests.
Who uses this plant?
21CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Panicum
- Anatrytone loganDelaware Skipper, Logan Skipper, Black-Vein Skipper
- Ancyloxypha numitorLeast Skipper
- Dargida diffusaWheat Head Armywotm Moth
- Dargida rubripennisThe Pink-Streak
- Hesperia attalusDotted Skipper
- Hylephila phyleusFiery Skipper
- Hypena scabraGreen Cloverworm Bomolocha, Black Snout
- Lerema acciusClouded Skipper, Corn Leaf tier
- Leucania adjutaAdjutant Wainscot
- Leucania linitaReed Wainscot, Linen Wainscot
Show all 21
- Marimatha nigrofimbriaBlack-Bordered Lemon
- Mocis latipesSmall Mocis, Striped Grass Looper
- Mocis texanaTexas Mocis
- Mythimna unipunctaArmyworm Moth, White Speck
- Panoquina ocolaOcola Skipper, Long-Winged Skiiper
- Poanes viatorBroad-Winged Skipper
- Polites egeremetNorthern Broken-Dash
- Polites themistoclesTawny-Edged Skipper
- Spodoptera frugiperdaFall Armyworm Moth
- Elachista solitaria
- Idioglossa miraculosa
0BeesSoutheastern regional records
0Specialist beesPollen specialists
35BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Panicum
- Acanthis flammeaCommon Redpoll
- Agelaius phoeniceusRed-winged Blackbird
- Aix sponsaWood Duck
- Anas creccaGreen-winged Teal
- Anthus rubescensAmerican Pipit
- Anthus spragueiiSprague's Pipit
- Aythya collarisRing-necked Duck
- Calcarius lapponicusLapland Longspur
- Calcarius ornatusChestnut-collared Longspur
- Calcarius pictusSmith's Longspur
Show all 35
- Callipepla gambeliiGambel's Quail
- Colinus virginianusNorthern Bobwhite
- Columbina passerinaCommon Ground Dove
- Contopus virensEastern Wood-Pewee
- Cyrtonyx montezumaeMontezuma Quail
- Dendrocygna bicolorFulvous Whistling-Duck
- Dolichonyx oryzivorusBobolink
- Fulica americanaAmerican Coot
- Gallinula galeataCommon Gallinule
- Junco hyemalisDark-eyed Junco
- Mareca streperaGadwall
- Meleagris gallopavoWild Turkey
- Molothrus aterBrown-headed Cowbird
- Passer domesticusHouse Sparrow
- Peucaea aestivalisBachman's Sparrow
- Plectrophenax nivalisSnow Bunting
- Pooecetes gramineusVesper Sparrow
- Porzana carolinaSora
- Quiscalus quisculaCommon Grackle
- Sialia sialisEastern Bluebird
- Spizella passerinaChipping Sparrow
- Spizella pusillaField Sparrow
- Turdus migratoriusAmerican Robin
- Xanthocephalus xanthocephalusYellow-headed Blackbird
- Zenaida macrouraMourning 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
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | Not available |
| 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
- 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