Collection place
- Yamhill, Yamhill County, Oregon3
- Yamikun-Kalabu, East Sepik Province, Papua New Guinea1
- Yamok village, Middle Sepik River, Papua New Guinea1
- Yanget Village, Sepik River, Papua New Guinea6
- Yangon (Rangoon), Myanmar5
- Yangon (Rangoon), Myanmar (Burma)2
- Yaounde, Central Region, Cameroon1
- Yap Island, Yap State, Federated States of Micronesia5,726
- Yap Main Islands, Yap State, Federated States of Micronesia150
- Yap State, Federated States of Micronesia, Micronesia6,080
- Yarinacocha District, Coronel Portillo Province, Peru1
- Yarra, New South Wales, Australia6
- Yasila 1, Paita Peninsula, Piura Region1
- Yasila 2, Paita Peninsula, Piura Region1
- Yasila 3, Paita Peninsula, Piura Region1
- Yauca valley, Arequipa Region, Southern Peru380
- Yauca, Yauca valley, Arequipa Region205
- Yaunchu site, Río Upano Valley, Ecuador23
- Yavapai County, Arizona504
- Yeager Canyon, Yavapai County, Arizona1