†family Najadaceae de Jussieu

Liliopsida - Alismatales - Alismatidae

Alternative spelling: Najadeae

Parent taxon: Alismatales according to D.J. Mabberley 2000

See also Daghlian 1981, Hosius and Von der Marck 1880 and Shoshani et al. 1989

Sister taxa: Alismataceae, Aponogetonaceae, Butomaceae, Cymodoceaceae, Juncaginaceae, Pennipollis, Posidoniaceae, Ruppiaceae, Scheuchzeriaceae, Zannichelliaceae, Zosteraceae

Subtaxa: Potamogeton

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Distribution:

• Quaternary of Australia (11 collections), Canada (2: Ontario), the United Kingdom (3), United States (3: North Carolina, Virginia, Washington)

• Pliocene of Germany (9), Italy (1), the Russian Federation (1)

• Hemphillian of United States (1: Indiana)

• Miocene to Pliocene of France (1), Germany (1)

• Miocene of Canada (1: Northwest Territories), Denmark (1), Germany (23), Japan (6), Poland (1), the Russian Federation (17), Turkey (1), United States (1: Idaho)

• Oligocene to Miocene of Germany (1)

• Oligocene of Germany (3), the Russian Federation (11), the United Kingdom (1), United States (1: Oregon)

• Eocene to Oligocene of United States (2: Colorado)

• Eocene of the United Kingdom (6), United States (4: Colorado, Wyoming)

• Tertiary of Japan (2)

• Cretaceous of China (1)

Total: 116 collections including 209 occurrences

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