"Range Description: This aquatic plant is found from southern Europe to Indochina and also in South Africa. Although species is cited as present in Thailand and Viet Nam, it has not been recorded by the Flora of Thailand (Santisuk and Larsen 2001) nor the Flora of Viet Nam (Ho 1999). Countries - Native: Afghanistan; Algeria; Bangladesh; Botswana; Bulgaria; Central African Republic; Chad; China; Congo; Congo, The Democratic Republic of the; Croatia; Equatorial Guinea (Equatorial Guinea (mainland)); Ethiopia; France; Ghana; Greece (Greece (mainland)); India; Iran, Islamic Republic of; Iraq; Israel; Italy (Italy (mainland)); Kazakhstan; Kenya; Lebanon; Macedonia, the former Yugoslav Republic of; Malawi; Mali; Montenegro; Mozambique; Myanmar; Namibia (Namibia (main part)); Nigeria; Pakistan; Palestinian Territory, Occupied; Papua New Guinea; Philippines; Portugal (Portugal (mainland)); Romania; Rwanda; Senegal; Serbia; Sierra Leone; South Africa (Eastern Cape Province, KwaZulu-Natal, Northern Cape Province, Western Cape Province); Spain (Spain (mainland)); Sri Lanka; Sudan; Switzerland; Syrian Arab Republic; Taiwan, Province of China; Tajikistan; Tanzania, United Republic of; Turkey (Turkey-in-Asia, Turkey-in-Europe); Turkmenistan; Uganda; United States (Hawaiian Is.); Uzbekistan; Zambia; Zimbabwe; Presence uncertain: Thailand; Viet Nam"
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