Field Guide

Wild and cultivated ginseng produce an annual crop in the United States and Canada valued in excess of $25 million, but overzealous collection is causing serious concern about the survival of American ginseng in the forest ecosystem.

Dead nettle, like its close relative henbit, is a common, weedy mint that, in early spring, can carpet wide patches of disturbed ground. Recognize dead nettle by the pyramidal look of its purple- or blue-tinted foliage.

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.

Because each plant disperses a large number of seeds, garlic mustard can outcompete native vegetation for light, moisture, nutrients, soil, and space as it quickly colonizes an area.

Large, crinkled, palmately 5-lobed leaves distinguish golden seal, which occurs in moist woods in the Ozarks and Central Missouri. Populations have been declining due to root diggers.

Hedge parsley is an introduced plant that looks a lot like parsley. It was first collected in Missouri in 1909 and has become much more abundant in recent decades as it spreads along roadsides and railroads.

Heralding a new growing season, harbinger of spring can bloom as early as January in Missouri. You will probably have to look closely for its small clusters. But after a long winter, what a welcome sight they are!

White snakeroot looks very similar to thoroughworts, but it has triangular leaf blades that are more broadly angled or rounded at the base. White snakeroot is common statewide. It’s a toxic plant if eaten, so it’s good to be able to identify it.

American, or common boneset has small, white flowerheads in flat-topped clusters at the top of the plant. The leaves are hairy, narrowly triangular, and in opposite pairs fused around the stem.

A stout perennial that can grow to 6 feet tall, tall thoroughwort is a member of the sunflower family that has dull white flowers and distinctive leaves that are opposite, slender, very short-stalked, and with three quite noticeable veins.