Lactuca ludoviciana (Nutt.) Riddell
Family: Asteraceae
prairie lettuce, prairie wild lettuce, western wild lettuce
[Lactuca campestris Greene,  more...]
Lactuca ludoviciana image
from USDA Plants website  
Etymology: Lactuca: name for "milk"
Plants: erect, biennial/perennial, 1'-5' tall forb with milky juice; stems leafy, smooth
Leaves: bluish, with spiny edges and midrib
Flowers: head 1" wide with 20-56 bluish-white to yellow rays; inflorescence of a few, relatively large heads in loosely-branched clusters; blooms July-Sept.
Fruits: blackish, flat, dry seed with only one obvious line on each side
Habitat: sun; prairies, meadows
Conservation Status: Native
Lactuca ludoviciana image
Lactuca ludoviciana image
from USDA Plants website  
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image
Lactuca ludoviciana image