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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.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Imperiled

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. See a 2018 post on the Treasure Coast Natives blog on the purpose of the cup in cup grasses.

Other data on Eriochloa michauxii var. michauxii available from :

Atlas of Florida Vascular Plants
Eriochloa michauxii var. michauxii has been found in the following 8 conservation areas :
Occurrence Native Status
A.D. Doug Barnes Park Present Native
Big Cypress National Preserve Present Native
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
Corkscrew Swamp Sanctuary Present Native
Everglades National Park Present Native
National Key Deer Refuge Possibly Extirpated Possibly Extirpated
Six Mile Cypress Slough Preserve Present Native

Eriochloa michauxii var. michauxii has been found in the following 6 counties :
Occurrence Native Status
Charlotte County Native
Collier County Native
Lee County Native
Miami-Dade County Native
Monroe County (Keys) Native
Palm Beach County Native

Eriochloa michauxii var. michauxii has been found in the following 8 habitats :
Coastal Grassland
Depression Marsh
Disturbed Wetland
Marl Prairie
Mesic Flatwoods
Pine Rockland
Salt Marsh
Wet Flatwoods

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