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Floristic Inventory of the Florida Keys Database Online

Sonchus asper (L.) Hill
Spiny sowthistle

Sonchus asper
Copyright by: Shirley Denton

Family: Asteraceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: Europe; now a widespread weed.

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.

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.

Other data on Sonchus asper available from :


Sonchus asper has been reported from the following 3 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Dagny Johnson Key Largo Hammocks Botanical State Park Possibly Extirpated Not Native, Naturalized
Dove Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
National Key Deer Refuge Present Not Native, Naturalized




Sonchus asper has been reported for the following habitat in THE FLORIDA KEYS :
Disturbed Upland


All Images:

Sonchus asper
Copyright by: Shirley Denton