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View Invasive Species

Invasive species are those which occur outside their natural range and can have significant ecological, social and/or economic impacts once established.

Baby’s Breath

Baby’s breath (Gypsophila paniculata) is a herbaceous perennial plant that invades grazing land and out-competes native and introduced perennial grasses. Plants flourish in the well-drained sandy...learn more

Bur Chervil

Bur Chervil (Anthriscus caucalis) is an annual forb plant which has adapted to establish in poor growing conditions. This England native has slowly begun to invade parts of...learn more

English Holly

English holly (Ilex aquifolium) is grown for its bright red berries and spiny, dark green evergreen foliage. A large shrub or small tree, English holly has...learn more

Policeman’s Helmet

The common names Policeman's Helmet, Bobby Tops, Copper Tops, and Gnome's Hatstand all originate from the flowers being decidedly hat-shaped. Himalayan Balsam...learn more

Yellow Archangel

Yellow Archangel (Lamiastrum galeobdolon) is considered a shade tolerant species which is commonly found in hanging baskets and as ground cover. With many methods of reproduction, yellow rchangel...learn more

Yellow Toadflax

Yellow Toadflax (Linaria vulgaris), also known as common toadflax, is an herbaceous perennial known for its colony forming properties. This invasive species uses creeping roots to rapidly take...learn more