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Floristic Inventory of the Florida Keys Database Online

Dichanthelium dichotomum (L.) Gould
Cypress witchgrass

Dichanthelium dichotomum
Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Eastern North America, the West Indies, Mexico and Central America.

IRC SOUTH FLORIDA Status: Apparently Secure

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, visit Grasses of Palm Beach and Martin Counties.

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Critically Imperiled

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. Reported for Big Pine Key (Franklin, 1968) and the National Key Deer Refuge (Austin et al., 1980) in the lower Florida Keys. We consider this native and extant only on Big Pine Key.

Other data on Dichanthelium dichotomum available from :


Dichanthelium dichotomum has been reported from the following conservation area in the FLORIDA KEYS :
Occurrence Native Status
National Key Deer Refuge Present Native




Dichanthelium dichotomum has been reported for the following 2 habitats in THE FLORIDA KEYS :
Disturbed Wetland
Pine Rockland


All Images:

Dichanthelium dichotomum
Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.

Dichanthelium dichotomum
Copyright by: Grasses, Sedges and Rushes of Palm Beach
and Martin Counties, Florida website.