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