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Japanese Honeysuckle

Japanese Honeysuckle

Regional Distribution Unknown WNY PRISM Priority Tier 3 – Containment Invasive Species Priorities – Tier Chart Pathways Japanese honeysuckle was originally introduced in the 1800s as an ornamental plant and later for erosion control. Established populations can spread vegetatively, through contaminated soil and by birds who can spread seeds long distances. Japanese honeysuckle is a […]

By December 29, 2020 Read More →
English Ivy

English Ivy

English ivy is an evergreen perennial vine that can grow to reach lengths of 90 feet with proper support or form a dense, trailing mat.

By December 29, 2020 Read More →
Leafy Spurge

Leafy Spurge

Leafy Spurge is a perennial plant that grows up to 4 feet tall. Its leaves are blue grey, simple and oppositely arranged. Greenish-yellow flowers are present from May to June. The roots have pink buds, from which new shoots sprout. Leafy spurge exudes a milky white sap when its leaves or stem are broken.

By December 29, 2020 Read More →
Common Teasel

Common Teasel

Common teasel, also referred to as Fuller’s teasel, is a biennial or short-lived perennial herbaceous plant that produces a basal rosette of puckering leaves for one or more years, and then sends up a prickly, flowering stem.

By December 29, 2020 Read More →
Bull Thistle

Bull Thistle

A tall biennial that produces a single purple flowerhead atop its stem. Leaves, stem and bracts are all covered in hairs or spines which makes it unpalatable to wildlife and livestock.

By December 29, 2020 Read More →
Common Periwinkle

Common Periwinkle

Common periwinkle is an herbaceous, perennial and evergreen groundcover. The leaves are opposite, elliptic in shape and dark green, though some varieties may have variegated coloration. It produces blue-purple flowers with 5 petals that are blunt at the tip and arranged in a spiral or “pinwheel” shape.

By December 29, 2020 Read More →
Black Jetbead

Black Jetbead

Distribution Early Detection WNY PRISM Priority Tier 2 – Eradication NYS Invasive Species Tiers Chart  – Tier Definitions Pathways Black jetbead was introduced to North America as an ornamental plant. It spreads primarily through root suckers and seeds that are moved by wildlife. Native Alternatives Winterberry (Ilex verticillata) Spicebush (Lindera benzoin) Black Chokeberry (Aronia melancarpa) Additional […]

By November 2, 2020 Read More →
Burning Bush

Burning Bush

Burning bush is an invasive ornamental woody shrub that is easily recognized by its vibrant red fall foliage. This invasive species has been introduced into natural landscapes through escaping cultivation.

By November 2, 2020 Read More →
Himalayan Balsam

Himalayan Balsam

Regional Distribution Not Present Himalayan balsam is in the nearby Finger Lakes PRISM region. WNY PRISM Priority Tier 1 – Raise Awareness NYS Invasive Species Tiers Chart  – Tier Definitions Pathways Himalayan balsam seeds can spread up to 20’ away from the parent plant when its seedpods burst. Water frequently aids in the transport of seeds […]

By November 2, 2020 Read More →
Wavyleaf Basketgrass

Wavyleaf Basketgrass

Regional Distribution Not Present Wavyleaf Basketgrass is not currently found in the WNY PRISM region but is in southern Pennsylvania. WNY PRISM Priority Tier 1 – Raise Awareness Invasive Species Priorities – Tier Chart Pathways Wavyleaf basketgrass was first found in North America in Maryland in 1996, likely the result of contaminated nursery stock. Seeds […]

By November 2, 2020 Read More →
Oak Wilt

Oak Wilt

Oak wilt is caused by a fungus that blocks nutrient and water flow through oak trees, killing them from the top down.

By November 2, 2020 Read More →
Beech Leaf Disease

Beech Leaf Disease

Beech leaf disease is a new threat to WNY and poses a serious threat to beech forests. Research is ongoing to learn more about the biology of this disease including its spread vectors.

By September 15, 2020 Read More →
Scotch Broom

Scotch Broom

Scotch broom is a shrub with small, pea-like yellow flowers that bloom from late May to June. It grows up to 10 feet tall and its green branches are sharply angled with five ridges.

By August 15, 2019 Read More →
European Cherry Fruit Fly

European Cherry Fruit Fly

The European Cherry Fruit Fly has been found on sweet cherry trees along the Niagara River. This was the first U.S. detection of this species and has resulted in a quarantine of parts of Niagara County.

By June 25, 2019 Read More →
Hardy Kiwi

Hardy Kiwi

Hardy kiwi is a deciduous woody vine that can grow up to 20 feet per year. Hardy kiwi readily germinates under a closed canopy and can climb up and smother native vegetation and reduce biodiversity.

By June 25, 2019 Read More →