Sonchus asper - Banner
Image Information
Location: Searcy County, Arkansas
Month of Photograph: March
Distribution Map: Sonchus asper - Distribution Map Spacer
USDA, NRCS. 2012. The PLANTS Database (, 16 January 2012). National Plant Data Team, Greensboro, NC 27401-4901 USA. Spacer Guests can be assured that there is established evidence that this plant has been found in all of the green filled counties of Arkansas. However, the white filled counties should not be interpreted as counties in which this plant does not grow. They should instead be interpreted as counties which lack officially sanction evidence of the plants presence there.

Family: Asteraceae

Flower -- Lateral View

Sonchus asper - Flower Lateral View "
Not all images on this page were photographed on the same day or at the same location. The precise location and date that specific photographs were taken can be obtained by email.
Sonchus asper - Leaf Adaxial Leaf, adaxial

Sonchus asper, as you might guess, is an alien plant having been introduced to the USA and much of the rest of the world from Eurasia and Africa. It grows and thrives everywhere and anywhere. It has been reported growing on some of the sub-arctic islands - such as, Gough Island, Auckland Islands and Campbell Island. (Global Invasive Species Database)

Sonchus asper - Leaf and Stem Lateral View Leaf and Stem, lateral view
Sonchus asper - Leaf AdaxialLeaf, adaxial
Sonchus asper - Leaf AbaxialLeaf, abaxial
Sonchus asper - Whole PlantWhole Plant
Sonchus asper - Inflorescence Inflorescence
Sonchus asper - Flower BudFlower Bud, lateral view
Stem and Curved Leaf Auricle
Sonchus asper - Stem

Plumose Seed Head
Sonchus asper - Fruit