Villosa iris is listed as Endangered in Illinois and Wisconsin. In Michigan and North Carolina it is considered Special Concern.
US Federal List: no special status
CITES: no special status
- Hove, M. 2004. "Links to each state's listed freshwater mussels, invertebrates, or fauna" (On-line). Accessed September 21, 2005 at http://www.fw.umn.edu/Personnel/staff/Hove/State.TE.mussels.