Assertion: european water chestnut | /r/HasProperty | endangered in southern europe
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text: Trapa Natana can be termed as the European Water chestnut which is now rarely found in northern European region and declared as endangered in southern Europe, whereas Trapa Bisponosa is the name of water chestnut/water caltrop of Indian origin which is considered to be tastier than Chinese water chestnut and is grown as a crash-crop by the Indian farmers.