Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 8 of 8 results
Photo of common scouring rush, many stems in a colony
Horsetails (Scouring Rushes)
Equisetum (3 spp. in Missouri)
Horsetails, or scouring rushes, are in the genus Equisetum. They’re easy to recognize with their jointed, hollow stems. Like ferns, they reproduce via spores instead of flowers and seeds.
Photo of tall goldenrod plant with flowers
Goldenrods
Solidago spp. (23 species in Missouri)
There are 23 species of goldenrods in Missouri. They can be hard to identify to species, but as a group, the goldenrods are common and nearly unmistakable.
Photo of rattlesnake master flower heads side view
Rattlesnake Master
Eryngium yuccifolium
“It’s an odd plant,” this rattlesnake master, “with its leaves like yucca, a head like a thistle, and second cousin to the carrot.” That’s how the great prairie writer John Madson summed it up!
Photo of several big bluestem seed heads against a blue sky.
Grasses
All true grasses (species in the grass family)
Missouri has 276 species in the grass family, including well-known crop plants and our native prairie grasses. Distinguishing between the species can be difficult, but it’s easy to learn some basics about the group.
Photo of field milkwort flowerheads.
Field Milkwort
Polygala sanguinea
The dense, cylindrical flower clusters of field milkwort are pink to white and, at first glance, look something like a clover head. This small annual wildflower is common in prairies, old fields, meadows, and glades.
White upland aster goldenrod inflorescence in a prairie
Upland White Goldenrod
Solidago ptermicoides (formerly Aster ptarmicoides)
With its white, petal-like ray florets and pale disc florets, upland white goldenrod is truly the oddball of the goldenrods: it looks like a white-flowered aster. Indeed, it used to be considered an aster.
Closeup of single flowerhead of a New World aster with yellow disk florets and lavender ray florets
New World Asters (American Asters)
Symphyotrichum spp. (formerly Aster spp.)
Missouri has 24 species of New World asters in genus Symphyotrichum. Most have purple or white ray flowers and yellow disk flowers that turn reddish over time. Most bloom in late summer and fall.
Prairie cordgrass growing against a blue sky
Prairie Cordgrass
Spartina pectinata
Prairie cordgrass is a native perennial sod-forming grass with flowering stalks up to 7 feet tall. A grassland species, it grows in dense stands in low, damp soils. It’s often called ripgut because of the tiny sharp saw teeth on the leaf edges.
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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!