Field Guide

Common ragweed is instantly recognizable by its ornate, 2–3 times pinnately lobed, hairy leaves. You’ve probably seen it many times and wondered what it was.

Missouri boasts nine native species of blazing stars, or gayfeathers, in genus Liatris. These showy, upright, unbranching spikes of magenta-pink wildflowers bloom in sunny habitats.

Late boneset, or late-flowering thoroughwort, is a native perennial wildflower with clusters of white, fuzzy-looking flowers. It’s one of nine similar-looking species of thoroughworts in Missouri.

Red clover, or purple clover, is the familiar large, pinkish-purple clover that grows in lawns, pastures, and roadsides statewide. A Eurasian native, it was introduced to North America by the middle 1600s.

Buffalo grass is a native perennial warm-season short grass that creeps widely by runners and forms dense mats. As a native, it occurs in the prairies in far northwest Missouri, but it now occurs elsewhere in the state and has become popular as a lawn grass.

Missouri has 24 species of New World asters in genus Symphyotrichum. Most have purple or white ray flowers and yellow disk flowers that turn reddish over time. Most bloom in late summer and fall.

Dodders are easy to identify, even though at first you might not recognize them as plants. These parasitic plants usually look like a hairlike mass of yellow or orange, leafless, wiry, vining stems wrapping around the stems of other plants.

Purslane can be an aggressive pest in gardens and is one of the worst agricultural weeds in the world. Meanwhile, it’s also a favorite wild vegetable served cooked or raw, and many people cultivate it.

Lamb’s quarters won’t win any beauty contests for its flowers, but it merits an award for being both a common garden weed as well as a nutritious leafy green valued around the world.