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Floristic Inventory of the Florida Keys Database Online

Urochloa distachya (L.) T.Q. Nguyen
Signal grass, Tropical signalgrass

Urochloa distachya
Copyright by: George D. Gann, 2018
Naturalized in Lake Ida Parcel, Delray Beach, Florida
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Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Asia; now a widespread weed.

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, click on the Atlas of Florida Vascular Plants and Flora of the West Indies links below.

Synonyms: U. subquadripara.

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Not Native, Naturalized

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Not reported for the Florida Keys by John Kunkel Small in 1913. Widely naturalized throughout the Florida Keys.

Other data on Urochloa distachya available from :

Atlas of Florida Vascular Plants

Urochloa distachya has been reported from the following 11 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Biscayne National Park, Florida Keys Section Present Not Native, Naturalized
Blue Heron Hammock, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Crocodile Lake National Wildlife Refuge Present Not Native, Naturalized
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized
Dove Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Dry Tortugas National Park Present Not Native, Naturalized
John Pennekamp Coral Reef State Park Present Not Native, Naturalized
Lake San Pedro Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Lignumvitae Key Botanical State Park Present Not Native, Naturalized
Long Key State Park Present Not Native, Naturalized
National Key Deer Refuge Present Not Native, Naturalized




Urochloa distachya has been reported for the following habitat in THE FLORIDA KEYS :
Disturbed Upland


All Images:

Urochloa distachya
Copyright by: George D. Gann, 2018
Naturalized in Lake Ida Parcel, Delray Beach, Florida
Expand