Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 15 results
Photo of Johnson grass flower clusters
Johnson Grass
Sorghum halepense
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.
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 tall fescue plants
Tall Fescue
Festuca arundinacea
You’ve seen it a million times, now learn to identify it! Technically an exotic invasive plant, tall fescue is practically everywhere, from lawns to levees, and from pastures to (unfortunately!) prairies.
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 path rush, closeup showing drying fruits.
Rushes
Juncus spp. and Luzula spp.
Missouri has 24 species in the rush family. Distinguishing between these grasslike plants can be tricky, but it’s easy to learn some basics about the group.
Photo of eastern woodland sedge plant growing among leaf litter.
Sedges
Carex, Schoenoplectus, Scirpus, and other genera
Missouri has more than 200 species in the sedge family. Distinguishing between these grasslike plants can be difficult, but it’s easy to learn some basics about the group.
Bottlebrush grass flowerhead showing spikelets spreading away from main axis
Bottlebrush Grass
Elymus hystrix
Bottlebrush grass is a native perennial, tuft-forming wild rye that typically grows in woodlands. The widely spaced spikelets spread away at a right angle from the main flowering stem.
Canada Brome (Hairy Woodland Brome)
Bromus pubescens (formerly B. purgans)
Several species of brome grasses are found in Missouri. Canada brome, or hairy woodland brome, is one of the few that are native. It grows to 4 feet high, and its open flower clusters have drooping spikelets.
Canada wild rye seed heads in late season, showing drooping habit and curling awns
Canada Wild Rye
Elymus canadensis
Canada wild rye can be identified by its bristly seed heads, which curve downward. As the seeds mature, the straight, long awns curve and bend. This is a common native cool-season grass that reaches about 4 feet tall and is highly valued as forage and hay for livestock.
Orchard grass leaves and flowering stems, growing in a field
Orchard Grass
Dactylis glomerata
Orchard grass is a perennial, clump-forming, cool-season grass introduced to American pastures long ago. Identify this common roadside grass by its bluish-green leaves, flattened stalks, and dense, flattened, bushy clusters of spikelets.
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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!