Assertion: forest truffle | /r/HasProperty | genus tuber
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text: Forest truffles (genus Tuber) typically cost $1000 per kilogram, and Italian truffles may sell for up to $2,200 per kilogram, while Terfezia truffles sold as of 2002 in Riyadh for $80 to $105 a kilo, and in recent years have reached, but not yet exceeded, $270.