Plume Poppy (Macleaya cordata)
History & Introduction Macleaya cordata, commonly referred to as plume poppy, is a native species to Japan, eastern China, and parts of Taiwan. In China, the plant is used as … Read more
Tier 2
Water lettuce (Pistia stratoites)
History & Introduction Water lettuce (Pistia stratiotes) is an invasive freshwater species known for its ability to create dense surface mats in aquatic ecosystems. This plant poses significant threats to … Read more
Scotch Broom (Cytisus scoparius)
History & Introduction Cytisus scoparius or Scotch broom, is a deciduous, leguminous shrub, native to central and western Europe, and northern Africa. It was first introduced to North America on … Read more
Ravenna Grass (Tripidium ravennae)
History & Introduction A native of the Mediterranean, Ravenna grass is named after the town of Ravenna, Italy. It was introduced to the U.S. as an ornamental plant, as early … Read more
Hardy Kiwi (Actinidia arguta)
History & Introduction In America, the genus Actinidia was extirpated from the continent nearly 80 million years ago due to shifting climates. It was reintroduced in 1877 when Colonel William … Read more
Cinnamon Vine (Dioscorea polystachya)
History & Introduction Dioscorea polystachya or cinnamon vine is a species of flowering plant in the yam family. It is a perennial climbing vine, native to East Asia, where it … Read more
Giant Reed (Arundo donax)
History & Introduction Arundo donax is a very tall, perennial grass that forms dense stands on disturbed sites, sand dunes, riparian areas and wetlands. Arundo is native to eastern Asia … Read more
