Common in dry prairie soils.
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.
Occasional in open, dry prairie.
Occasional in open prairie.
Occasional specimens on exposed, eroded ground near roadside.
Terrible picture. Growing in open prairie after recent rains. Locally common.
Very common along roadsides and forest edges.
Common along roadsides.
Common prairie, roadside plant.
Introduced and naturalizing. Occasional to common in moist areas.
Occasional along moist roadsides.
What do you think?
Very limited number in seasonally moist area. Less than 10 plants found.