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Japanese knotweed can survive being hacked into pieces and thrown into the ocean and scientists say it has a growing hold in Southeast Alaska.

United statesUnited kingdomFritzi grevstadJohn hudsonJohn muirSoutheast alaska watershed coalition in juneauOhio cuyahoga valley national parkUs fish wildlife serviceDepartment of transportationNational park serviceAlaska invasive species partnershipOregon state universityCuyahoga valley nationalFrom national park serviceSoutheast alaska watershed coalitionStuff sunday