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Floristic Inventory of the Florida Keys Database Online

Ageratum conyzoides L. subsp. conyzoides
Tropical Whiteweed

Ageratum conyzoides
Copyright by: Forest & Kim Starr

Family: Asteraceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: The West Indies, Mexico, Central America, South America and the Old World; naturalized in North America.

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For more images, click on the Atlas of Florida Vascular Plants link below.

FLORIDA KEYS Occurrence: 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. An herbarium voucher is needed for the Monroe County Keys.

Other data on Ageratum conyzoides subsp. conyzoides available from :






Ageratum conyzoides subsp. conyzoides has been reported for the following habitat in THE FLORIDA KEYS :
Disturbed Upland


All Images:

Ageratum conyzoides
Copyright by: Forest & Kim Starr