Place
- Brewster2
- Canada2
- Culberson2
- Delta2
- Gyeonggi2
- Kentucky2
- Kwangnung, Kyonggi-Do2
- Michoacán2
- Montana2
- Not evident, probably Europe2
- Ontario2
- Tennessee2
- Above McKittrick Canyon1
- Acatlán1
- Allegan1
- Along Grande Ronde River at mouth of Cottonwood Creek, SW of Anatone1
- Ann Arbor; along NW side of Traver Rd., close to Leslie Science Center1
- Appalachian Mtns., Rocky bluffs, Hot Springs1
- Arkansas1
- Arnold Arboretum1