Common in dry prairie soils.
Introduced and naturalizing. Occasional to common in moist areas.
Occasional specimens on exposed, eroded ground near roadside.
Common prairie, roadside plant.
What do you think?
Scattered population in open prairie after recent rains.
Feeding on Prairie Parsnip (Polytaenia nuttallii). Thinking P. polyxenes but leave it to those in the know....
Common in large colonies in moist prairies, ditches etc.
Very limited number in seasonally moist area. Less than 10 plants found.
Occasional in open, dry prairie.
Terrible picture. Growing in open prairie after recent rains. Locally common.
Common along roadsides.
Occasional in open prairie.
Very common along roadsides and forest edges.