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.

The common violet can be violet, white, or white with violet mottling or spots. One of 17 species or violets in Missouri, it occurs statewide in a variety of habitats. Note its heart-shaped or rounded, scalloped leaves, and (usually) the presence of hairs on stems and/or foliage.

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.

Mayapple is a common spring wildflower that makes its biggest impression with its leaves, which resemble umbrellas arising from a single stalk. It often grows in colonies.

Introduced as an ornamental, beefsteak plant is native to Asia. It is common in moist or dry wooded bottomlands, open valley pastures, and along trails, railroads, and roadsides. It spreads invasively in our state.

Tall thistle is a native thistle that can grow to be 10 feet tall! To identify it, notice its leaves, which are unlobed (though they may be wavy or have only shallow, broad lobes), are felty-hairy beneath, and have prickles only along the edges.

A true lettuce that can be eaten as a cooked or salad green, Florida lettuce has lavender to purplish blue flowers and grows statewide.

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

True to its name, common evening primrose is the most common and widespread evening primrose in Missouri. It is most noticeable late in the season, when it reaches its greatest height and the flowers at the top are most visible.