Brazilian Waterweed (Egeria densa)Category 1: Potential Aquatic Invasive Species Credit: Rebekah D. Wallace, University of Georgia, Bugwood.org Didymo (Didymosphenia geminata)Category 1: Potential Aquatic Invasive Species Credit: mikerodgers, some rights reserved (CC-BY-NC), iNaturalist Giant Reed (Arundo donax)Category 1: Potential Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Giant Salvinia (Salvinia molesta)Category 1: Potential Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Hydrilla (Hydrilla verticillata)Category 1: Potential Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Parrot Feather (Myriophyllum aquaticum)Category 1: Potential Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Starry Stonewort (Nitellopsis obtusa)Category 1: Potential Aquatic Invasive Species Credit: Thomas Nogatz, some rights reserved (CC-BY-NC), iNaturalist Water Hyacinth (Eichhornia crassipes)Category 1: Potential Aquatic Invasive Species Credit: Ted D. Center, USDA Agricultural Research Service, Bugwood.org Water Lettuce (Pistia stratiotes)Category 1: Potential Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Brittle Naiad (Najas minor)Category 2: Priority Aquatic Invasive Species Credit: Troy Evans, Great Smoky Mountains National Park, Bugwood.org Creeping Water Primrose (Ludwigia peploides)Category 2: Priority Aquatic Invasive Species Credit: Vern Wilkins, Indiana University, Bugwood.org Curly-Leaf Pondweed (Potomogeton crispus)Category 2: Priority Aquatic Invasive Species Credit: Chris Evans, University of Illinois, Bugwood.org Eurasian Watermilfoil (Myriophyllum spicatum)Category 2: Priority Aquatic Invasive Species Credit: Chris Evans, University of Illinois, Bugwood.org Flowering Rush (Butomus umbellatus)Category 2: Priority Aquatic Invasive Species Credit: Gabriel Campbell, Bugwood.org Yellow Floating Heart (Nymphoides peltata)Category 2: Priority Aquatic Invasive Species Credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org