Psoralea esculenta, an herbaceous perennial plant species native to prairies and dry woodlands of central North America
Psoralea esculenta, native to prairies of central North America, with an edible tuber
Several rare species are also found on the site, including pomme-de-prairie, white camas, striped hairstreak, and the state-threatened species rough-stemmed false foxglove (Agalinis gattingeri) and regal fritillary.