- Ann Arbor; along NW side of Traver Rd., close to Leslie Science Center1
- Appalachian Mtns., Rocky bluffs, Hot Springs1
- Arkansas1
- Arnold Arboretum1
- Asotin1
- Bernalillo1
- Block 1, Sec. 5 roadside, Saginaw Forest, Ann Arbor1
- Bluffs Tennessee River, Knoxville1
- Bonner1
- Butler1
- Ca. 4 mi. SW of Burkesville, along Lick Branch Rd. (=Lick Branch here), near its end at Cumberland River1
- Chelan1
- Clark1
- Collected at the Arnold Arboretum, from S. Rocky Mtns.1
- Cumberland1
- Dade1
- Davidson1
- Deer Creek, rim above limestone cliff1
- Echo Lake, Flathead National Forest1
- Floyd1