Common in large colonies in moist prairies, ditches etc.
Common along roadsides.
Occasional along moist roadsides.
Occasional in open prairie.
Feeding on Prairie Parsnip (Polytaenia nuttallii). Thinking P. polyxenes but leave it to those in the know....
Common prairie, roadside plant.
Common in dry prairie soils.
Occasional specimens on exposed, eroded ground near roadside.
Occasional in open, dry prairie.
Very common along roadsides and forest edges.
Terrible picture. Growing in open prairie after recent rains. Locally common.
Scattered population in open prairie after recent rains.
Introduced and naturalizing. Occasional to common in moist areas.
What do you think?