 U. inflata is native to the southeastern United States. Peter Taylor's 1989 taxonomic monograph listed the following states where native populations of this species have been located: Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, New Jersey, North and South Carolina, Tennessee, Texas, and Virginia. In addition to these states, the United States Department of Agriculture's online PLANTS database acknowledges populations in Connecticut, Maryland, Michigan, Mississippi, New York, Oklahoma, and Pennsylvania. The states of Maryland, Michigan, and New York have classified U. inflata as an endangered or threatened species while Tennessee has listed it as a species with "special concern".
