U.S. Forest Service
1400 Independence Ave., SW, Mailstop Code: 1103
Washington DC 20250-1103
Our Native Irises: Dwarf Woodland Irises
Their prominent flowers characterize the dwarf woodland irises occurring in the United States. They occur like a ground cover, not needing their feet to be wet, and are short of stature. There are four species and two varieties included in this artificial grouping, four of which occur on the national forests. Crested iris (Iris cristata), coastal plain dwarf violet iris (Iris verna var. verna), upland dwarf violet iris (Iris verna var. smalliana), dwarf lake iris (Iris lacustris), and Clackamas iris (Iris tenuis).