Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 74 results
Photo of eastern gama grass flowering plant
Eastern Gama Grass
Tripsacum dactyloides
Eastern gama grass is a native perennial bunch grass with flowering stalks up to 8 feet tall. The fingerlike seed heads have separate male and female florets. The seed-bearing, female florets are in the lower portion of each spike. It occurs statewide and is an important component of native prairies and glades.
Photo of sideoats grama, closeup on floral spikes showing orange anthers.
Sideoats Grama
Bouteloua curtipendula
Sideoats grama is a native perennial clump-forming grass with flowering stalks 1–3 feet tall. The oatlike seeds dangle uniformly in two rows on one side of the flattened stalk. It occurs nearly statewide.
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 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 pink wild onion flower clusters
Wild Onion
Allium stellatum
Wild onion is edible and is also favored by native-plant gardeners, who enjoy its showy umbels of pink flowers and tolerance of dry, rocky sites. This Ozark species blooms in summer and fall.
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.
Closeup side view of rough blazing star flowerhead
Rough Blazing Star (Rough Gayfeather)
Liatris aspera
Rough blazing star is fairly common and scattered nearly statewide. To distinguish between Missouri’s nine species in the genus Liatris, start by noting details of the flower structure. It’s not hard when you know what to look for.
Photo of a celestial lily, or prairie pleatleaf iris, in bloom.
Celestial Lily (Prairie Iris)
Nemastylis geminiflora
Celestial lily, in the iris family, blooms only in the morning. Its showy, lavender-blue flowers shine like six-pointed stars on glades and prairies in southern Missouri and the eastern Ozarks.
Photo of common ladies' tresses, flower stalk with spiral flower arrangement
Nodding Ladies’ Tresses
Spiranthes cernua
Nodding ladies’ tresses is the most common of Missouri’s eight species of ladies' tresses. The flowers are arranged in a spiral pattern on the upright flowering stem. Each small flower is a little white orchid.
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.
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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!