Tag: invasive species
Barberry and Ticks
Barberry and Ticks Japanese Barberry (Berberis thunbergii) is an invasive plant native to Asia. Common Barberry (Berberis vulgaris) is native to Europe and Asia. Barberry can invade forests, meadows, wetlands, and dunes. These were introduced in this country as ornamental plants and now have invaded our natural areas. The barberry’s dense […]
Autumn Olive
This shrub was introduced from Asia and has become a nuisance in Michigan. It is sometimes mistakenly called Russian olive. Russian olive is a related species of tree. Both can be a problem, but autumn olive is more prevalent in Michigan. It colonizes roadsides and fields and soon forms impenetrable […]
Knapweed
Knapweed Spotted knapweed (Centaurea stoebe) is an invasive plant native to Southeastern Europe. Diffuse knapweed (Centaurea diffusa) is also invasive in Michigan. Knapweeds are perennials, living two or more years, and beginning flowering in the second year. Knapweeds invade dry prairies, meadows, and dunes, as well as agricultural fields and […]