Place
- Kentucky2
- Up the Hoh River Valley, West Olympics2
- Vicinity of Plessis2
- West Virginia2
- "Hope Lake Bog", 2 miles east of Cambridge1
- Along Hoh River, West Olympics1
- Along Meramac River ca. 4 miles SE of Pacific1
- Along banks of Aucilla River1
- Along road to Lake Constance, Olympic Nat. Park1
- Along roadside near mouth of Hoh River1
- Along the old course of the Meramec River, 2 miles southeast of Pacific1
- Altoona Swamp at Piedmont, Sheperdstown1
- Arkansas1
- Banks of Lloyd Creek1
- Bluff at Harper's Ferry1
- Cedar Creek1
- Clifty Falls State Park1
- Clifty Falls State Park, Clifty Creek Bank1
- Colorado1
- East Olympics, near Lake Leland1