Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 8 of 8 results
Western ironweed flowerhead in bloom
Western Ironweed (Baldwin's Ironweed)
Vernonia baldwinii
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.
Lamb's quarters plant growing in bare, disturbed soil
Lamb's quarters (Pigweed)
Chenopodium album
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.
Photo of common violet plant with flowers
Violets
Viola spp.
Violets, as a group, are fairly easy to identify, with their colorful five-petaled “faces” so welcome in springtime. Missouri has 17 species, and some are confusingly similar. This page introduces them as a group.
Virginia wild rye flowering heads backlit against a background of shrubs and trees
Virginia Wild Rye
Elymus virginicus
Virginia wild rye can be identified by its bristly seed heads, which are held erect and whose bristle-like awns stay straight. This is a common native perennial tuft-forming, cool-season midgrass usually reaching about 2–4 feet in height.
Giant ironweed flower cluster
Ironweeds
Vernonia spp.
Five species of ironweeds live in Missouri. Starting in the middle of summer, they bear showy clusters of magenta or purple flowerheads at the branching tops of upright stalks.
Red, or purple, clover flower head vied from the side
Red Clover (Purple Clover)
Trifolium pratense
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.
White clover flowerhead blooming against a background of clover foliage
White Clover
Trifolium repens
White clover is the familiar white-flowering clover that grows in lawns, pastures, and roadsides statewide. A Eurasian native, it was widespread in North America by the middle 1700s.
Longleaf mud plantain plants in bloom with purple flowers
Mud Plantains
Heteranthera spp.
Mud plantains have glossy, rounded or kidney-shaped leaves and purple or white flowers that have six petal lobes. One petal lobe points downward. They typically grow as emergent aquatic shoreline plants.
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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!