- 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 Evansburg1
- Near Lock 7 C&O Canal1
- 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
- Ouachita National Forest, Winding Stair Trail; near the Little Missouri River.1
- Ouachita National Forest, along the Little Missouri River & trail.1
- Ouachita National Forest. About 0.2 miles west of the Little Missouri Trail's west end (along streambed of Blaylock Creek, between it & road).1
- Ouachita National Forest. Floodplain decid woods along the Little Missouri River and trail.1
- Paint Branch, near White Oak1
- Pennsburg. Mill Hill. two m. n. of Pennsburg1
- Perkiomen above Schwenksville.1
- Poverty Hollow, c. 2 mi. SE of Highway, between Sinking Creek and Brush Mountain1
- Rockledge1
- Schuylkill Valley, Betzwood.1
- Shoal Creek Nature Preserve, ca 2 miles NE of Litchfield.1
- Sligo Creek near Greenbrier Drive, Silver Spring1