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Parthenium hysterophorus L.
Santa Maria, Santa Maria feverfew

Parthenium hysterophorus
Copyright by: Keith A. Bradley

Family: Asteraceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: West Indies, Mexico, Central America and South America; a naturalized weed elsewhere.

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 Vascular Plants link below.

Other data on Parthenium hysterophorus available from :

Atlas of Florida Vascular Plants
Parthenium hysterophorus has been found in the following 43 conservation areas :
Occurrence Native Status
Alice C. Wainwright Park Present Not Native, Naturalized
Big Cypress National Preserve Present Not Native, Naturalized
Biscayne National Park Present Not Native, Naturalized
Black Creek Forest Present Not Native, Naturalized
Camp Owaissa Bauer Present Not Native, Naturalized
Castellow Hammock parcel 33 Present Not Native, Naturalized
Crocodile Lake National Wildlife Refuge Present Not Native, Naturalized
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized
Deering Estate at Cutler Present Not Native, Naturalized
Dolphin Center and Dolphin Center Addition Present Not Native, Naturalized
Dupuis Reserve Present Not Native, Naturalized
Eachus Pineland Present Not Native, Naturalized
Everglades and Francis S. Taylor Wildlife Management Area Present Not Native, Naturalized
Everglades National Park Present Not Native, Naturalized
Florida City Pineland Present Not Native, Naturalized
Frog Pond/L-31 N Transition Lands Present Not Native, Naturalized
Fuchs Hammock Preserve Present Not Native, Naturalized
Gold Coast Railroad Museum Present Not Native, Naturalized
Harden Hammock Present Not Native, Naturalized
Hattie Bauer Hammock Present Not Native, Naturalized
Ingram Pineland Present Not Native, Naturalized
John Pennekamp Coral Reef State Park Reported
Larry and Penny Thompson Park Present Not Native, Naturalized
Loveland Hammock Present Not Native, Naturalized
Lucille Hammock Present Not Native, Naturalized
Moreno Pine Rockland Present Not Native, Naturalized
Navy Wells Pineland 23 Present Not Native, Naturalized
Navy Wells Pineland Preserve Present Not Native, Naturalized
Nixon Smiley Pineland Addition Present Not Native, Naturalized
Palm Drive Pineland Present Not Native, Naturalized
Porter-Russell Pineland Present Not Native, Naturalized
Quail Roost Pineland Present Not Native, Naturalized
Rock Pit 34 Present Not Native, Naturalized
Rock Pit 39 Present Not Native, Naturalized
Rockdale Pineland Present Not Native, Naturalized
School Board Property (Moody Drive and Turnpike) Not Native, Naturalized
Seminole Wayside Park Present Not Native, Naturalized
Silver Palm Groves Present Not Native, Naturalized
Silver Palm Hammock Present Not Native, Naturalized
Sunny Palms Pineland Present Not Native, Naturalized
Tree Island Park Present Not Native, Naturalized
West Biscayne Pineland Present Not Native, Naturalized
Yamato Scrub Natural Area Present Not Native, Naturalized

Parthenium hysterophorus has been found in the following 9 counties :
Occurrence Native Status
Broward County Not Native, Naturalized
Collier County Not Native, Naturalized
Glades County Not Native, Naturalized
Hendry County Not Native, Naturalized
Lee County Not Native, Naturalized
Martin County Not Native, Naturalized
Miami-Dade County Not Native, Naturalized
Monroe County (Keys) Not Native, Naturalized
Palm Beach County Not Native, Naturalized

Parthenium hysterophorus has been found in the following habitat :
Disturbed Upland

All Images:

Parthenium hysterophorus
Copyright by: Keith A. Bradley
Parthenium hysterophorus
Copyright by: Shirley Denton