Field Guide

In spring, wild hyacinth bears an elongated cluster of pale blue flowers with prominent anthers that sway on stalks up to 2 feet tall.

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.

Clasping Venus' looking glass is a single-stemmed plant with purple or blue star-shaped flowers and bluntly toothed, alternate leaves that clasp the stem. It's scattered statewide in a variety of habitats and blooms May-June.

Often found on gravelly Ozark streamsides, shining blue star lifts its clusters of showy, light-blue flowers in late spring. A top choice for native wildflower gardening, it is interesting spring, summer, and fall.

Johnson grass is a native of the Mediterranean that is invasive in our country. It’s a weed that infests cropland and degrades native ecosystems, and heavy infestations are found in all the major river bottoms of Missouri.

Square, unbranching stems, opposite leaves, two-lipped flowers, and a mild minty fragrance are clues Ohio horsemint is in the mint family. Tight, rounded flower clusters are stacked atop one another at the stem tips.

Missouri has 17 species of tick trefoils, which live in a variety of habitats. Hikers know them well from their chains of hairy little seedpods that stick to clothing like parasites!

The antique belief that this plant might repel fleas gives the fleabanes their name. There are more than 170 fleabanes in the genus Erigeron in North America. This one is scattered to common nearly throughout Missouri. Native Americans used this species medicinally for a variety of ailments.

Slender mountain mint has smooth, square stems, opposite, narrow leaves, and dense heads of 2-lipped white (or lavender) flowers. Aromatic and minty, it can be grown at home in the herb garden, and its leaves used for seasoning food.