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Floristic Inventory of the Florida Keys Database Online

Eriochloa michauxii (Poir.) Hitchc. var. michauxii
Longleaf cup grass, Michaux’s cup grass

Eriochloa michauxii
Copyright by: Keith A. Bradley
In habitat, Long Pine Key
Everglades National Park, 2008

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Southeastern United States.

IRC SOUTH FLORIDA Status: Imperiled

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For more 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 Florida Keys Locations

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for pinelands and edges of hammocks in the lower Keys.  We consider this native and extant in the lower Keys.

Other data on Eriochloa michauxii var. michauxii available from :


Eriochloa michauxii var. michauxii has been reported from the following 2 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
National Key Deer Refuge Possibly Extirpated Possibly Extirpated




Eriochloa michauxii var. michauxii has been reported for the following 3 habitats in THE FLORIDA KEYS :
Disturbed Wetland
Pine Rockland
Tidal Marsh


All Images:

Eriochloa michauxii
Copyright by: Keith A. Bradley
In habitat, Long Pine Key
Everglades National Park, 2008

Eriochloa michauxii
Copyright by: George D. Gann
In habitat, Long Pine Key
Everglades National Park, 2013

Eriochloa michauxii
Copyright by: George D. Gann
In habitat, Long Pine Key
Everglades National Park, 2013