Field Guide

Ironweeds are tough, grayish-green, branching plants known for their fluffy-looking clusters of reddish-purple florets. They are a familiar sight on roadsides and pastures. Identify western ironweed by the bracts at the base of the flowerheads.

Spotted knapweed is an invasive plant that outcompetes native communities, takes over pastureland, and even beats back invasive sericea lespedeza! It has arrived in our state. Let’s prevent its spread.

An invasive native of Eurasia that is spreading in Missouri, musk thistle is a plant you should know. Learn how to tell the difference between our native thistles and these bad guys.

There are 23 species of goldenrods in Missouri. They can be hard to identify to species, but as a group, the goldenrods are common and nearly unmistakable.

One of several native plants called dandelions, Carolina false dandelion is an annual with sulphur yellow flowers and puffy seedheads.

There are several members of the aster family that look something like common dandelions. But unlike the familiar lawn weed, two-flowered Cynthia is a native Missouri wildflower.

With its yellow composite flowers and round seedheads of fluffy “parachutes,” goat’s beard looks like a gigantic dandelion. A native of Europe, many people view it as an invasive weed.

“Infestation” is the term for what teasels are doing in Missouri. Learn to identify these thistlelike plants, and help to control the weedy spread of these tough, prickly invaders.

Ox-eye daisy, though familiar, is not native to North America. It was introduced long ago from Eurasia. Common in grassy uplands, pastures, fencerows, and roadsides, it can colonize aggressively in the garden.

Native to Ozark glades and prairies, tickseed coreopsis has long been appreciated as a hardy garden perennial. Because of its popularity, it has escaped from cultivation and now occurs statewide.