Before widespread settling in Illinois, prairie habitat covered 2/3 of the state.

The biggest threat to its survival is the loss of prairie habitat due to contemporary settlement.

Loss of prairie habitat is a concern.

This plant species is considered good for revegetating prairie habitat.

This subspecies, native to the central plain states., was first described in 1879, and has relatively long legs, better adapted to a prairie habitat.

It grows in forest, woodland, and coastal prairie habitat.

The plant is threatened by the loss and degradation of its prairie habitat.

This area originally consisted of oak savanna and prairie habitat.

It may be found in the ecotone between flatwoods and wet prairie habitat.

There has been a decrease in population with the loss of natural prairie habitat.