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