- In partially cleared flatwoods 1 mile NE of Jeffersonville1
- Ironto1
- Ironto Shale Barrens, on Roanoke Road, 1 mi. E. of Ironto1
- Japan1
- Kansas1
- Lake along road, beside gorge south of Sprakers1
- Little Missouri River Falls.1
- Look Out Point, The Shades1
- Mt. Tobar Road, vicinity of Blacksburg1
- N-facing bluff along Crab Creek. 0.8 km SE of Vicker & 7 km NW of downtown Christianburg P.O.1
- NE Rocks Creeks, 3 mi ESE of Rockville.1
- NW of Hoffmans Ferry1
- Narrow, but rich prairie strip between State Rte 16 & Conrail tracks, 7.9 mi NE of the middle of Irving.1
- Near Blacksburg1
- Near Evansburg1
- Near Lock 7 C&O Canal1
- No data1
- Norristown, Philadelphia1
- Ouachita National Forest, Albert Pike Campground vicinity, along Little Missouri River trail, about 0.5 miles NW of campground.1
- Ouachita National Forest, Winding Stair Trail, near the Little Missouri River.1