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Japanese Angelica Tree

Japanese Angelica Tree

The Japanese angelica tree is a deciduous shrub or tree that can grow up to 40’ in height. The tree is multi-stemmed, and the bark is covered in sharp thorns.

By November 1, 2018 Read More →
Tree of Heaven

Tree of Heaven

Regional Distribution Locally Common WNY PRISM Priority Tier 3 – Containment Pathways Tree of Heaven was introduced to the east coast of the United States in 1784 as an ornamental tree. It was later introduced on the west coast in the 1850’s for medicinal uses. These trees are now found throughout the US. The single […]

By October 4, 2018 Read More →
Glossy Buckthorn

Glossy Buckthorn

Glossy buckthorn is a deciduous shrub, or small tree, that can grow up to 30 ft in height. Bark is dark gray to brown with white lenticels.

By June 28, 2018 Read More →
Black Locust

Black Locust

Black locusts threaten prairies, savannahs and upland forests. They have an extensive root system that allows them to reproduce clonally, sprouting many clones in one area. As they grow, they’ll form islands of dense canopy which shade out any plants below them.

By May 27, 2016 Read More →
Norway Maple

Norway Maple

Norway maples produce large numbers of seeds which can be widely dispersed due to their winged samaras.

By May 27, 2016 Read More →
Multi-flora Rose

Multi-flora Rose

Multi-flora rose is extremely prolific, producing large amounts of seeds which are dispersed by birds. These seeds can remain viable for 20 years

By May 27, 2016 Read More →
Border Privet

Border Privet

Border privet is a deciduous shrub that may grow to be 20 ft. tall. It forms dense thickets, shading out native plants. It also displaces native shrubs and seedlings in regenerating forests.

By May 27, 2016 Read More →
Cattails – Narrowleaf and Hybrid

Cattails – Narrowleaf and Hybrid

The dense rhizome mats and thick layer of leaf litter that cattails produce, exclude other plants from growing within cattail stands, making them a threat to biodiversity.

By May 27, 2016 Read More →
Japanese Barberry

Japanese Barberry

Japanese barberry is a deciduous shrubs that can grow 8 ft. tall. It has grooved stems with single or paired thorns in the nodes.

By May 26, 2016 Read More →
Dames Rocket

Dames Rocket

Dames rocket is a flowering biennial that was introduced in North America in the 1600s. During its first year, it grows as a basal rosette. In its second year, its flowering stem grows up to 4 ft. tall. Dames rocket has alternate, lance-shaped leaves with serrate margins.

By May 26, 2016 Read More →
Common Daylily

Common Daylily

Daylilies produce clusters of 5-9 large, showy orange flowers. Each individual flower exists only for one day.

By May 26, 2016 Read More →
Spotted Knapweed

Spotted Knapweed

Spotted knapweed is an herbaceous biennial, although it may live for up to nine years. In its first year it grows in a basal rosette with 6-8” leaves. In every year after that, it can grow up to 3 ft. tall with flowers growing at the ends of its many branching stems.

By May 26, 2016 Read More →
Chinese Silver Grass

Chinese Silver Grass

Chinese silver grass rapidly spreads in areas that have been disturbed, such as roadsides. It is considered a wildfire hazard because it produces large amounts of highly flammable, dry plant material.

By May 26, 2016 Read More →
Spotted Lanternfly

Spotted Lanternfly

Spotted lanternfly is a highly destructive invasive insect that causes damage when they feed, sucking sap from stems and leaves.

By May 23, 2016 Read More →
Reed Canarygrass

Reed Canarygrass

Reed canarygrass can reach 5 ft. in height. Its leaves are hairless, reaching up to 10” long and 1⁄4″ to 1⁄3″ wide. This grass has an extensive root system and spreads primarily through rhizomes, but also produces a high number of seeds.

By May 19, 2016 Read More →