Coefficient of Conservatism:
Coefficient of Wetness:
Prairies, dunes, swales, oak savanna, open (often marshy) ground; spreading along roadsides and railroads.
This was apparently a major prairie grass, now often planted in habitat restorations, prairie gardens, and for wildlife. Many occurrences now are along roadsides and other weedy habitats, so its original distrinution in the state is unclear.