EKOREGIONY: Rozprzestrzenienie pielęgnic w Słodkowodnych Ekoregionach Świata.

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Afryka

Ashanti
Bangweulu - Mweru
Bight Drainages
Coastal East Africa
Dry Sahel
Inner Niger Delta
Kafue
Lake Chad
Lake Malawi
Lake Tana
Lake Tanganyika
Lake Turkana

Lake Victoria
Lower Nile
Mai Ndombe
Malagarasi - Moyowosi
Malebo Pool
Middle Zambezi - Luangwa
Niger Delta
Northern Eastern Rift
Northern Gulf of Guinea Drainages
Northern Upper Guinea
Ogooue - Nyanga - Kouilou - Niari
Pangani

Southern Eastern Rift
Southern Gulf of Guinea Drainages - Bioko
Sudanic Congo - Oubangi
Tana, Athi & Coastal Drainages
Upper Congo
Upper Congo Rapids
Upper Lualaba
Upper Zambezi Floodplains
Volta
Western Equatorial Crater Lakes

Azja

Namuda - Tapi

Western Ghats

Ameryka środkowa

Balsas River
Chiapas - Fonseca
Chiriqui
Coatzacoalcos
Estero Real - Tempisque

Grijalva - Usumacinta
Isthmus Caribbean
Mosquitia
Papaloapan
Quintana Roo - Motagua

San Juan (Nicaragua/Costa Rica)
Sierra Madre del Sur
Tuira River
Upper Usumacinta
Yucatan

Madagaskar

Madagascar Eastern Highlands

Northwestern Madagascar

Western Madagascar

Bliski Wschód

Jordan River

Ameryka Północna

Cuatro Cienegas
Cuba - Cayman Islands
Hispaniola

Lower Grande - Bravo
Panuco
Salado River

San Juan River
Sinaloa

Ameryka Południowa

Amazonas Estuary & Coastal Drainages
Amazonas Guiana Shield
Amazonas Lowlands
Bonaerensean Drainages
Central Andean Pacific Slopes
Essequibo
Guapore - Itenez
Guianas
Laguna dos Patos

Lower Paraná
Lower Uruguay
Madeira Brazilian Shield
Mamore - Madre de Dios Piedmont
Negro
North Andean Pacific Slopes - Atrato River
Northeastern Caatinga & Coastal Drainages
Northeastern Mata Atlantica
Orinoco Guiana Shield

Paraiba do Sul
Ribeira de Iguape
Southeastern Mata Atlantica
Tapajos - Juruena
Tocantins - Araguaia
Upper Uruguay
Western Amazon Piedmont
Xingu