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Floristic Inventory of the Florida Keys Database Online

Panicum virgatum L.
Switchgrass

Panicum virgatum
Copyright by: Keith A. Bradley

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Bermuda, North America, the Greater Antilles (Cuba), Mexico, Central America and South America.

IRC SOUTH FLORIDA Status: Secure

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

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: Rare

Map of Florida Keys Locations

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for hammocks from the upper Keys to the lower Keys, but we have no other records for the middle and upper Keys.  We consider this native and extant in the lower Keys.

Other data on Panicum virgatum available from :


Panicum virgatum has been reported from the following 7 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Little Hamaca Park Reported
National Key Deer Refuge Present Native
Spoonbill Sound Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Sugarloaf Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Wahoo Hammocks, Florida Keys Wildlife and Environmental Area Present Native




Panicum virgatum has been reported for the following 5 habitats in THE FLORIDA KEYS :
Disturbed Upland
Disturbed Wetland
Pine Rockland
Sinkhole
Tidal Marsh


All Images:

Panicum virgatum
Copyright by: Keith A. Bradley

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

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

Panicum virgatum
Copyright by: Keith A. Bradley