Identifying grasses in Wisconsin

R.C. Newman Revised:  5/11/2010 Item number:  A1827 Click here to view this 12-page publication that help you identify the 30 most common grass species in Wisconsin turf. Download Article

Dame’s Rocket

Dame’s rocket is a Eurasian biennial belonging to the mustard family. It was introduced to North America in the 1600’s and has naturalized itself in moist, wooded areas, but can also invade open areas. Learn how to identify and control this invasive plant in this factsheet.

Garlic Mustard

Garlic mustard (Alliaria petiolata) is a European woodland plant introduced to North America by early settlers for its culinary and alleged medicinal qualities. Identification and control methods are covered in this concise factsheet.

Yellow Goatsbeard, Tragopogon spp.

Have you noticed yellow flowers blooming individually on tall, scraggly stems or fluffy seed heads like extra-large dandelions along the roadside? There are two species of Tragopogon, introduced weeds that both have the common name yellow goatsbeard and are both common in disturbed areas. To learn more about these plants read this article…

Spotted Spurge, Chamaesyce (=Euphorbia) maculata

You’ve likely seen flat, mat-like plants spreading in your garden, on the roadside, or maybe even growing from the cracks in the driveway. This is most likely spotted spurge, a native plant with weedy characteristics. To learn more about this annual plant in spurge family (of which poinsettia is a member), read this article…

Chicory, Cichorium intybus

Do you recognize those blue flowers along the roadside that will keep blooming until frost (if not mowed off)? That’s chicory, an escaped, naturalized European plant that has been used for food and forage since ancient times, although most Americans know it just as a weed. To learn more about Chicorium intybus, read this article…

Henbit, Lamium amplexicaule

With small but pretty pink flowers, henbit might be considered an ornamental plant, but is a weed for most people. This introduced relative of the more-refined, perennial spotted deadnettle (Lamium maculatum) that is commonly cultivated in gardens is an annual or winter annual. To learn more about this plant, read this article…

Wild Cucumber, Echinocystis lobata

Have you noticed white-flowering vines engulfing trees or shrubs, particularly in more rural areas, lately? Wild cucumber is a warm season annual that becomes quite conspicuous in late summer at the peak of its growth and bloom. Although it is in the same family as cultivated cucumber, this species is not edible. To learn more about this native plant, read this article…

Catchweed Bedstraw, Galium aparine

Every spring I rip out handfuls of a sticky annual weed with whorls of leaves along its lanky stems. This species (Galium aparine) is a low-brow relative of the nice, ornamental perennial Sweet Woodruff (G. odorata).  To learn more about this annoying weed, read this article…

Yellow toadflax, Linaria vulgaris

Yellow toadflax is a weedy Eurasian species of Linaria that has naturalized throughout the country. Although it has pretty yellow flowers, this perennial spreads by creeping rhizomes, making it difficult to control. Learn more about this plant in this article…

Common Mullein, Verbascum thapsus

Have you seen those tall spikes poking up along roadsides or in gardens from wooly leaves? Soon the yellow flowers will start to open (if they haven’t already) on these common mullein plants. If you’d like to learn more about this widespread weed, read this article…

Common Yellow Woodsorrel, Oxalis stricta

Common yellow woodsorrel is a low-growing weed found throughout most of the US and almost all of Wisconsin. It can be a problem in gardens and lawns. Learn more about this species in this article…

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