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Floristic Inventory of the Florida Keys Database Online

Tripsacum floridanum Porter ex Vasey
Florida gamagrass

Tripsacum floridanum
Copyright by: Eric Fleites

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: South Florida and the Greater Antilles (Cuba, Hispaniola).

NatureServe Global Status: Imperiled

State of Florida Status: Threatened

Florida Natural Areas Inventory State Status: Imperiled

IRC SOUTH FLORIDA Status: Imperiled

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

South Florida History and Distribution: This is rare in South Florida, where it is known primarily from the Miami Rock Ridge and the Florida Keys. Using modern NatureServe criteria, we re-ranked this as Imperiled in South Florida in July 2018.

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Visit our Natives For Your Neighborhood website for more information and images.

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: Reported in 1913 by John Kunkel Small for pinelands in the lower Keys.  We consider this native and extant only on Big Pine Key in the lower Keys.

Other data on Tripsacum floridanum available from :


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




Tripsacum floridanum has been reported for the following habitat in THE FLORIDA KEYS :
Pine Rockland


All Images:

Tripsacum floridanum
Copyright by: Eric Fleites

Tripsacum floridanum
Copyright by: Keith A. Bradley