Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 125 results
Photo of Japanese stiltgrass
Japanese Stiltgrass (Eulalia)
Microstegium vimineum
Japanese stiltgrass is an invasive annual grass with thin, pale green, lance-shaped leaves that are 3 inches long. It has spread to nearly every eastern U.S. state. It forms dense patches, displacing and outcompeting native species for nutrients and light.
Photo of lowland brittle fern fronds and fiddleheads growing in woods
Lowland Brittle Fern (Southern Fragile Fern)
Cystopteris protrusa (formerly C. fragilis var. protrusa)
Lowland brittle fern, also called southern fragile fern, is an easily recognized species. It’s a common springtime sight in moist forest soils.
Photo of an Engelmann’s adder’s tongue with a black background
Adder's Tongues
Ophioglossum spp.
Four species of adder’s tongue ferns occur in Missouri. They don’t look like typical ferns. They have spoon-shaped leaves and an upright spore-bearing stalk.
Photo of fire pink flowers
Fire Pink
Silene virginica
Fire pink is a low, clump-forming perennial with many slender, spreading stems that are sticky from glandular hairs, with open clusters of bright red flowers. This showy native Missouri plant is growing in popularity among home gardeners.
Photo of false rue anemone plant and flower
False Rue Anemone
Isopyrum biternatum
To distinguish false rue anemone from "true" rue anemone, look for the following: 5 white (not pinkish) sepals, and leaves present on the flowering stems. Confirm your identification by noting that it's growing in a colony (not singly) and is in a moist, low area.
Photo of white anemone
White Anemone (Windflower)
Anemone canadensis
White anemone is a showy native wildflower with interesting, deeply toothed leaves. Often occurring in colonies, it spreads easily (even aggressively) from rhizomes and is sometimes cultivated in wildflower gardens.
Photo of wild hyacinth flower cluster
Wild Hyacinth
Camassia scilloides
In spring, wild hyacinth bears an elongated cluster of pale blue flowers with prominent anthers that sway on stalks up to 2 feet tall.
Photo of white snakeroot leaves and flowers
White Snakeroot
Ageratina altissima (formerly Eupatorium rugosum)
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, flower clusters and upper stem leaves
American Boneset (Common Boneset)
Eupatorium perfoliatum
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.
Photo of a tall thoroughwort plant in bloom.
Tall Thoroughwort (Tall Boneset)
Eupatorium altissimum
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.
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About Wildflowers, Grasses and Other Nonwoody Plants in Missouri

A very simple way of thinking about the green world is to divide the vascular plants into two groups: woody and nonwoody (or herbaceous). But this is an artificial division; many plant families include some species that are woody and some that are not. The diversity of nonwoody vascular plants is staggering! Think of all the ferns, grasses, sedges, lilies, peas, sunflowers, nightshades, milkweeds, mustards, mints, and mallows — weeds and wildflowers — and many more!