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Floristic Inventory of the Florida Keys Database Online

Monanthochloe littoralis Engelm.
Shoregrass, Keygrass

Monanthochloe littoralis
Copyright by: Roger L. Hammer

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Southern United States, the West Indies and Mexico.

IRC SOUTH FLORIDA Status: Rare

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

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 1884 by J. Cosmo Melvill for the island of Key West.  Reported in 1907 by C.F. Millspaugh for the lower sandy Keys.  Reported in 1913 by John Kunkel Small for hammocks, sand dunes and shores throughout the Florida Keys.  We consider this native and extant throughout the Florida Keys.

Other data on Monanthochloe littoralis available from :


Monanthochloe littoralis has been reported from the following 24 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Bahia Honda State Park Reported
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Biscayne National Park, Florida Keys Section Present Native
Blue Heron Hammock, Florida Keys Wildlife and Environmental Area Present Native
Curry Hammock State Park Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Dove Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Great White Heron National Wildlife Refuge Present Native
Indian Key Historic State Park Reported
John Pennekamp Coral Reef State Park Present Native
Key West National Wildlife Refuge Present Native
Lake San Pedro Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Lignumvitae Key Botanical State Park Present Native
Little Hamaca Park Present Native
Long Key State Park Present Native
Middle Torch Hammocks Parcel 3063, Florida Keys Wildlife and Environmental Area Present Native
National Key Deer Refuge Present Native
Ramrod Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Snake Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Spoonbill Sound Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Sugarloaf Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Torchwood Hammock Preserve Present Native
Wahoo Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Windley Key Fossil Reef Geological State Park Present Native




Monanthochloe littoralis has been reported for the following 2 habitats in THE FLORIDA KEYS :
Disturbed Wetland
Tidal Marsh


All Images:

Monanthochloe littoralis
Copyright by: Roger L. Hammer