Home/Tag: iMapInvasives

Invasive Species Highlight: Variable-Leaf Water Milfoil

2021-01-26T08:57:32-05:00

What is Variable-Leaf (or two-leaf) Water Milfoil? Variable Leaf Water Milfoil (Myriophyllum heterophyllum) is a submerged aquatic invasive plant that looks like some native species including native milfoils. The plant’s feathery leaves are arranged in dense whorls, usually four to six leaves per whorl. Each feathery leaf has seven to READ MORE

Invasive Species Highlight: Brittle Naiad

2021-01-26T08:57:32-05:00

What is Brittle (European or Spiny) Naiad? Brittle Naiad (Najas minor) is a submerged aquatic invasive plant with thin stiff leaves that have serrated edges. The serrations on leaf edges are visible without magnification. Native versions of naiad also have serrated leaves but these are tiny and require magnification to READ MORE

Invasive Hemlock Woolly Adelgid Reported in Lake George

2021-01-26T08:57:32-05:00

Just weeks after the invasive Emerald Ash Borer was discovered for the first time in the Adirondack Park, another invasive species has been found within the boundaries of the Blue Line: Hemlock Woolly Adelgid (HWA). First recorded in the Adirondack Park in 2017 on Prospect Mountain in Lake George, HWA READ MORE

Aquatic Invasive Species: Yellow Floating Heart

2021-01-26T08:57:55-05:00

Photo by David Cappaert, Bugwood.org Yellow Floating Heart (Nymphoides peltata) is a perennial non-native invasive aquatic plant that originated in Europe and Asia. The Yellow Floating Heart, which has a bright yellow flower, was introduced to North America as an ornamental plant for backyard ponds. It causes damage to READ MORE