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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 Florida Locations

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.

Other data on Ageratum conyzoides subsp. conyzoides available from :

Ageratum conyzoides subsp. conyzoides has been found in the following 22 conservation areas :
Occurrence Native Status
Big and Little George Hammocks Present Not Native, Naturalized
Big Cypress National Preserve Present Not Native, Naturalized
Crystal Lake Sand Pine Scrub Natural Area Doubtfully Present
Deering Estate at Cutler Present Not Native, Naturalized
Doris Davis Forman Wilderness Preserve Doubtfully Present
Dupuis Reserve Present Not Native, Naturalized
Florida City Pineland Present Not Native, Naturalized
Hattie Bauer Hammock Present Not Native, Naturalized
Hillsboro Pineland Natural Area Doubtfully Present
Long Key Natural Area & Nature Center Doubtfully Present
Lucille Hammock Present Not Native, Naturalized
Matheson Hammock Park Doubtfully Present
Meissner Hammock Present Not Native, Naturalized
Military Trail Natural Area Doubtfully Present
Pine Island Ridge Natural Area Doubtfully Present
Quail Roost Pineland Present Not Native, Naturalized
Sanibel-Captiva Conservation Foundation Present Not Native, Naturalized
Silver Palm Groves Present Not Native, Naturalized
Sunny Palms Pineland Present Not Native, Naturalized
Tall Cypress Natural Area Doubtfully Present
Tradewinds Regional Park Doubtfully Present
Tree Island Park Present Not Native, Naturalized

Ageratum conyzoides subsp. conyzoides has been found in the following county :
Occurrence Native Status
Broward County Not Native, Naturalized

Ageratum conyzoides subsp. conyzoides has been found in the following habitat :
Disturbed Upland

All Images:

Ageratum conyzoides
Copyright by: Forest & Kim Starr