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Floristic Inventory of the Florida Keys Database Online

Eriochloa michauxii (Poir.) Hitchc. var. simpsonii
Hitchc.
Simpson's cup grass

Eriochloa michauxii
Copyright by: University of South Florida Herbarium
Brumbach 5583, the last known specimen collected.

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Endemic to South Florida.

NatureServe Global Status: Critically Imperiled

Florida Natural Areas Inventory State Status: Possibly Extirpated or Extinct

IRC SOUTH FLORIDA Status: Presumed Extirpated or Extinct in the Wild

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Presumed Extirpated

SOUTH FLORIDA Native Status: Native

South Florida History and Distribution: Ranked as possibly extirpated in Rare Plants of South Florida (Gann et al. 2002; pp 144-145) based on several collections made between 1891 and 1966 from Lower Matecomube Key in the lower Florida Keys north to Sanibel Island in Lee County. No new records are known, and published as globally extinct in 2020 (Knapp et al. 2020).

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For more specimen images, visit the Encylopedia of Life and click on the USF Atlas of Florida Vascular Plants link below.

See also, IRC’s report Vascular plant species of management concern in Everglades National Park (Gann 2015), page 145.

FLORIDA KEYS Occurrence: Presumed Extirpated

FLORIDA KEYS Native Status: Presumed Extirpated

IRC FLORIDA KEYS Status: Presumed Extirpated

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Not reported for the Florida Keys by John Kunkel Small in 1913. Collected only by Jason R. Swallen in the early 1900s. For more information, see IRC's species account.

Other data on Eriochloa michauxii var. simpsonii available from :








All Images:

Eriochloa michauxii
Copyright by: University of South Florida Herbarium
Brumbach 5583, the last known specimen collected.