| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | 111 | Viet Nam | culture ponds, Mekong Delta | |||||||||
| 111 | 111 | Thailand | Mekong at Khong Island, just upstream Khone Falls in Laos to Chiang Saen in Thailand | ||||||||||
| 111 | 111 | Laos | Mekong basin at Khong Island, just upstream Khone Falls in Laos to Chiang Saen in Thailand | ||||||||||
| 111 | 111 | Cambodia | Mekong basin from the Khone Falls to Kandal near Phnom Penh | ||||||||||
| 111 | 111 | 111 | 111 | Laos | Mekong River at Hoo Som Yai on the Great Fault Line, Champassack |