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Ageratum houstonianum Mill.
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Ageratum houstonianum
Copyright by: Roger L. Hammer

Family: Asteraceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: Native to Mexico, Central America and South America; cultivated and sometimes naturalized elsewhere.

Map of Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Cultivated

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

Other data on Ageratum houstonianum available from :

Ageratum houstonianum has been found in the following 6 conservation areas :
Occurrence Native Status
Frog Pond/L-31 N Transition Lands Present Not Native, Naturalized
Hillsboro Pineland Natural Area Present Not Native, Naturalized
Jonathan Dickinson State Park Present Not Native, Naturalized
Meissner Hammock Present Not Native, Naturalized
Riverbend Park Present Not Native, Naturalized
Windley Key Fossil Reef Geological State Park Present Not Native, Naturalized

Ageratum houstonianum has been found in the following 4 counties :
Occurrence Native Status
Broward County Not Native, Naturalized
Lee County Not Native, Naturalized
Miami-Dade County Not Native, Naturalized
Palm Beach County Not Native, Naturalized

Ageratum houstonianum has been found in the following habitat :
Disturbed Upland

All Images:

Ageratum houstonianum
Copyright by: Roger L. Hammer
Ageratum houstonianum
Copyright by: Keith A. Bradley
Ageratum houstonianum
Copyright by: Keith A. Bradley
Ageratum houstonianum
Copyright by: Keith A. Bradley