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Floristic Inventory of the Florida Keys Database Online

Amaranthus dubius Mart. ex Thell.
Spleen amaranth

Amaranthus dubius
Copyright by: Forest & Kim Starr

Family: Amaranthaceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Short Lived Perennial

Native Range: The West Indies, Mexico, Cental America and South America; naturalized in Florida and Rhode Island.

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Assumed to be Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Not Cultivated

FLORIDA KEYS Occurrence: Assumed to be Present

FLORIDA KEYS Native Status: Not Native, Naturalized

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. Sparingly naturalized in the Florida Keys. A specimen from FLAS needs to be examined.

Other data on Amaranthus dubius available from :

Atlas of Florida Vascular Plants

Amaranthus dubius has been reported from the following conservation area in the FLORIDA KEYS :
Occurrence Native Status
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized




Amaranthus dubius has been reported for the following habitat in THE FLORIDA KEYS :
Disturbed Upland


All Images:

Amaranthus dubius
Copyright by: Forest & Kim Starr