Schefflera actinophylla, Octopus Tree


Invasive Species: Schefflera actinophylla, Octopus Tree

Octopus tree is invasive and can grow to 40 ft. (12.2 m) tall. Stems can be single or multi-stemmed. Leaves are palm-like with 7 to 16 leaflets. Leaflets are ovate, entire, and 12 …

Populus alba, White Poplar


Invasive Species: Populus alba, White Poplar

White poplar is an invasive tree that can grow 40 to 80 ft. (12.2 to 24.4 m) tall and 40 to 50 ft. (12.2 to 15.2 m) wide. The bark on young trees …

Morus alba, White Mulberry


Invasive Species: Morus alba, White Mulberry

White mulberry is a small, 30 to 50 ft. (9.1 to 15.2 m) tall, deciduous tree that invades disturbed areas throughout the United States. The alternate leaves are polymorphic (variably shaped), 2 to …

Casuarina equisetifolia, Australian Pine


Invasive Species: Casuarina equisetifolia, Australian Pine

Australian pine is an invasive deciduous tree that occurs in open coastal habitats including sand beaches, rocky coasts, and sand dunes. Trees can grow to over 100 ft. (30.5 m) in height. The …

Robinia pseudoacacia, Black Locust


Invasive Species: Robinia pseudoacacia, Black Locust

Black locust is a deciduous tree that, while native to parts of the United States, has spread to and become invasive in other parts of the country. Trees grow from 40 to 100 …

Ulmus pumila, Siberian Elm


Invasive Species: Ulmus pumila, Siberian Elm

Siberian elm is an invasive tree that forms dense thickets, shading and crowding out native plants. It is a deciduous tree that grows up to 70 ft. (21.3 m) in height. The crown …

Acer ginnala, Amur Maple


Invasive Species: Acer ginnala, Amur Maple

Amur maple is an invasive multi-stemmed shrub or small tree that grows from 10 to 20 ft. (3 to 6 m) tall. The leaves are opposite and simple. They are three-lobed, doubly serrate, …