extern
Ebro
Sao Francisco
Caratasca
Amur
El Lobregat
Mannu
Mackenzie
Eurotas
East Siberia North Slope
Vistula-Neuman
Dvina-Korothaika
Rhone-Herault
Arno
Cornia
Tirso
Ombrone
Tiber
Tiber-Portatore
Portatore
Volturno
Sele
Bradano
Bradano-Crati
East Adriatic
Gornalunga
Havram
Kucukmenderes-Tuzla
Ceyhan
Gediz
Bakircay
Nestos-Evros
Vardar-Mavroneri-Pineios
Vardar-Mavroneri
Tafros
Schinia Marathona
Inachos
Pamisos
Pineios (Elis)
Achelous
Amvrakikos
Lumi Vjose
Danube
Volga-Ural
Muga
Tagus
Atrak
Central Siberia North Slope
Guadalquivir
Senegal
Volta
Niger
Sanaga
Komo
Orange
Oqooue-Congo
Ifasy
West Madagascar
Gabrik-Kair
Zambezi
Tugela
Limpopo
Tigris-Euphratus
Hara-Rudgaz
Rhine-Elbe
Indus-Mahni
Indus-Mahni-Ulhas
Chaliyar
Leningradskaya-Taymya
Kura
Rioni
Qued Sebou
Bemarivo
Eucla
Pearl
Red
Australia-Papua
Western Australia
Swan
Medjerda
Lort
Daring
Murray-Darling
Noramunga
Piako-Waihou
Waikato
Wairoa-Waikato
Rangitaiki
Kaituna-Rangitaiki
Victoria
Manawatu
Ruamahanga
Ngaruroro
Waimea
Clarence
Oreti
Buller
Parana-Negro
Chubut
Yukon-Kuskokwim
Simav
Ishikari
Esen
Krishna-Godavari-Cauvery
Tone-Arakawa
Kocacay
Nayarit
Sacramento
Colorado
Waimakariri
Dasht
Biga
Dalaman West
Dalaman
Dalaman East
Cay
Peschanka
Kobuk
Alaska North slope
Cooper-Bering
Malay Peninsula
Mississippi West
Mississippi-Rio Grande
Mississippi
Blackwood
Grijalva-Cancun
Papaloapan
Atrato
Vaigai
Rio Guayas
Orinoco-Amazon
Rio Sinu-Magdalena
Jequintinonha-Doce
Rio Piuro
Deseado - Gallegos
Nile
Gambia-Geba
Rufiji
Menarandra
Antainambalana
Maningory
Waipaoa
East China-Bohai
Mahanadi-Gange-Brahmaputra
Korean
Kaladan-Mayu
Irrawaddy-Sitong
Amato
Kucukmenderes-Belevi
Buyuk Menderes
Saricay
Kizil-Yesilirmak
Poronay