CT.gov Home caes Current: Polygonum species Office of Aquatic Invasive Species Explore CT AIS Data Aquatic Plant Survey Results Management and Prevention Connecticut River Project Herbarium USACE Cost Share Program Publications Resources Employment Contact Us Search The Connecticut Agricultural Experiment Station Search the current Agency with a Keyword Filtered Topic Search Polygonum species Knotweed Polygonum species Herbarium mounts: Connecticut River 08/18/2020 Middlebrooks Diversion 08/17/2021 Oakwood Pond 07/14/2006