In recent years, U. inflata Walt. has been reported to KSNPC from CASE, LAUR and POWE by T. Barnes (pers. comm.) and others, but colls. have not yet been seen. The plants in POWE were established artificially in a pond (D. Dourson, pers. comm.), but those in LAUR appear to be native. U. inflata, in its strict sense, is largely restricted to the Coastal Plain (W). It is replaced inland by the closely related U. radiata, which is more widely distributed in eastern states and probably includes any Ky. plants; 2n = 28.