Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 129 results
Media
Photo of American feverfew flower cluster.
Species Types
Scientific Name
Parthenium integrifolium
Description
A common component of high-quality upland prairie, American feverfew, or wild quinine, is a native wildflower that was used to treat fevers or malaria. It's in the composite family.
Media
Photo of autumn sneezeweed flowerheads, closeup.
Species Types
Scientific Name
Helenium autumnale
Description
Autumn sneezeweed is a late-blooming perennial with conspicuously winged stems. The flowerheads have yellow, domed disks. The ray flowers are fan-shaped, yellow, and notched.
Media
Photo of beaked hawkweed flowers.
Species Types
Scientific Name
Hieracium gronovii
Description
A native wildflower of forests, blufftops, glades, pastures, and roadsides, beaked hawkweed looks something like a hairy, yellow-flowering chicory. It is found mostly south of the Missouri River.
Media
Photo of blooming bitterweed plant shown from top.
Species Types
Scientific Name
Helenium amarum
Description
Our weediest sneezeweed, bitterweed arrived in Missouri in the late 1800s from its home range in Texas and Louisiana. Like our other heleniums, it has domed disks and yellow, fan-shaped, notched ray florets. Unlike them, the leaves are narrowly linear.
Media
Photo of black medick closeup of cloverlike yellow flowerhead
Species Types
Scientific Name
Medicago lupulina
Description
The small, cloverlike flowering heads and trifoliate leaves of black medick are clues that this plant is in the Fabaceae, the bean or pea family. An introduced, weedy species, it is closely related to alfalfa.
Media
Photo of black mustard flower cluster
Species Types
Scientific Name
Brassica nigra
Description
Next time you breeze past weedy black mustard on the highway or spot it in a fallow field, think of how important this and other mustards are to the world economy – and to your dinner table.
Media
Photo of several black-eyed Susan flowers.
Species Types
Scientific Name
Rudbeckia hirta
Description
Black-eyed Susan is a tremendously popular native wildflower for gardening. It’s also commonly planted along roadways, so when it’s blooming, May through October, you’re sure to see it somewhere.
Media
Top of a prairie blazing star’s floral spike, with the sky and prairie visible in the background
Species Types
Scientific Name
Liatris spp.
Description
Missouri boasts nine native species of blazing stars, or gayfeathers, in genus Liatris. These showy, upright, unbranching spikes of magenta-pink wildflowers bloom in sunny habitats.
Media
Photo of blue cardinal flower flowering stalk
Species Types
Scientific Name
Lobelia siphilitica
Description
Blue cardinal flower, or blue lobelia, is a showy, late-blooming native wildflower that grows along streams, ditches, sloughs, and other wet places. It has blue or purple tubular flowers with 2 upper lips and 3 lower lips.
Media
Photo of bushy clump of brown-eyed Susan plants.
Species Types
Scientific Name
Rudbeckia triloba
Description
Brown-eyed Susan is a bushy perennial with much-branching stems and plenty of flowerheads. Compared to Missouri’s other Rudbeckia species, its flowerheads are the smallest, growing to only about one inch across.
See Also

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!