Blackseed Plantain – Plantago rugelii
This factsheet will help you identify blackseed plantain – Plantago rugelii, a common weed in pastures and other settings.
Weed Identification
Here are some resources to help you identify weeds and invasive plants.
Articles
Biennial Wormwood – Artemisia biennis
This factsheet will help you identify biennial wormwood, a common weed in pastures and other settings.
Barnyardgrass – Echinochola crusgalli
This factsheet will help you identify barnyardgrass – Echinochola crusgalli, a common weed in pastures and other settings.
Biennial Thistle Comparison
This factsheet will help you identify bull thistle, musk thistle and plumeless thistle, common weeds in pastures and other settings.
Common and Glossy Buckthorns
The Management of Invasive Plants in Wisconsin series explains how to identify invasive plants, including common and glossy buckthorns, and provides common management options.
Poison Ivy
Poison Ivy is a perennial woody plant that grows as either a low shrub or a climbing vine. Poison ivy is native to North America and is common in Wisconsin, growing in pastures, roadside ditches, fence rows, wooded forests, beaches and parks. Contact with poison ivy causes skin rashes, blisters and other allergic reactions. Learn identification and control in this factsheet.
Milkweed (Ornamental Plants Toxic to Animals)
To increase monarch populations, people are increasingly planting ornamental types of milkweed and encouraging common milkweed to grow wherever it occurs in uncultivated areas. While milkweed is beneficial to monarch populations, people need to be aware that it is toxic and can be lethal to animals, particularly horses and other equines.
Wild cucumber invading area with Vijai Pandian (August 26, 2019)
There is a timing for all plants including weeds to be conspicuous at a certain season in natural landscape. In autumn, one such attractive weed that has begun to catch attention in southeast Wisconsin is wild cucumber (echinocystis lobata). Native to Wisconsin, wild cucumber is a fast-growing … Link to full article.
Dodder, Cuscuta spp.
Tangles of pale yellow or bright orange strings running amok over other plants may remind you of science fiction tales, but there are actually real plants that grow like this. The nearly leafless, stringlike stems of dodder can be seen occasionally on a wide variety of plants in different habitats. Learn more about the biology of these parasitic plants that depend on their host plants for nutrition in this article…
Jewelweed, Impatiens capensis
With showy orange flowers, jewelweed comes into its own in late summer and fall. Growing in dense patches in moist, shady habitats, this native plant offers nectar for hummingbirds and other pollinators. Usually grown just as a wild plant, it can be added to rain gardens or to suppress weeds in appropriate areas. Learn more about this self-seeding annual in this article…
Carpetweed, Mollugo verticillata
Carpetweed lives up to its common name by quickly forming a flat mat over the ground. This prostrate summer annual has freely branching stems with whorls of green leaves at the widely spaced nodes. It is most common in disturbed areas – gardens, new or thin lawns, and roadsides. Find out more about this common weed in this article…
Field Pennycress, Thlaspi arvense
There are many weedy plants in the mustard family. It would be easy to overlook field pennycress early in the season, but once the distinctive seed pods develop with a bottle-brush-like appearance, and especially once they start to dry, this plant becomes much more noticeable. Learn more about this introduced weed by reading this article…
