Phragmites australis (Cav.) Trin. ex Steud. (Surprisingly, Phragmites australis is seen both in tropical and temperate areas and always associated with a wetland. The differences between the tropical and temperate forms need to be worked out in detail. However, Phragmites karka is a different species altogether and not seen in wetlands or lakes, but usually found on hill slopes in middle himalayas. All Phragmites in India are being treated as P.karka by many authors, though the hill form is different from the wetland species whether tropical or temperate. I think this needs further investigation.) (Temp. & Subtropical to Tropical Mountains: Afghanistan, Alabama, Albania, Alberta, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Baleares, Baltic States, Belarus, Belgium, Belize, Benin, Bolivia, Botswana, British Columbia, Bulgaria, Burkina, Buryatiya, California, Cameroon, Canary Is., Cape Provinces, Cape Verde, Central European Rus, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Congo, Connecticut, Corse, Costa Rica, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, Ecuador, Egypt, El Salvador, Eritrea, Ethiopia, Finland, Florida, France, Free State, French Guiana, Gambia, Georgia, Germany, Great Britain, Greece, Guatemala, Guinea-Bissau, Gulf of Guinea Is., Gulf States, Guyana, Hainan, Honduras, Hungary, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Kuwait, KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Louisiana, Madeira, Maine, Malaya, Manchuria, Manitoba, Maryland, Massachusetts, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Namibia, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New South Wales, New York, Nicaragua, Niger, Nigeria, Norfolk Is., North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northern Territory, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Pennsylvania, Peru, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Queensland, Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Senegal, Sicilia, Sinai, Somalia, South Australia, South Dakota, South European Russi, Spain, Sudan, Suriname, Swaziland, Sweden, Switzerland, Tadzhikistan, Tasmania, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uruguay, Utah, Uzbekistan, Venezuela, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Australia, Western Sahara, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Zambia, Zimbabwe; Introduced into: Bahamas, Brazil Southeast, Cook Is., Dominican Republic, Haiti, Hawaii, Leeward Is., New Caledonia, New Zealand North, New Zealand South, Newfoundland, Puerto Rico, South Carolina, Trinidad-Tobago, Windward Is. as per POWO)
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Phragmites karka (Retz.) Trin. ex Steud. (W. Tropical Africa to Kenya, Tropical & Subtropical Asia to Pacific: Assam, Bangladesh, Benin, Bismarck Archipelago, Borneo, Burkina, Cambodia, Cameroon, Caroline Is., China South-Central, China Southeast, Cook Is., East Himalaya, Eritrea, Ethiopia, Gambia, Ghana, Guinea-Bissau, Hainan, Hawaii, India, Ivory Coast, Japan, Jawa, Kenya, Korea, Laos, Lesser Sunda Is., Malaya, Mali, Maluku, Marianas, Marshall Is., Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Nicobar Is., Niger, Nigeria, Northern Territory, Oman, Pakistan, Philippines, Queensland, Senegal, Sierra Leone, Solomon Is., Somalia, South Australia, Sri Lanka, Sudan, Sulawesi, Sumatera, Taiwan, Thailand, Togo, Uganda, Vanuatu, Vietnam, West Himalaya, Western Australia, Yemen as per POWO)
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