Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of beaked hawkweed flowers.

    Beaked Hawkweed

    Hieracium gronovii
    Photo of several black-eyed Susan flowers.

    Black-Eyed Susan

    Rudbeckia hirta
    Photo of butterfly weed plant with flowers

    Butterfly Weed

    Asclepias tuberosa
    Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of tall thoroughwort plant with flowers

    Common Boneset (Thoroughwort)

    Eupatorium perfoliatum
    Photo of common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Photo of compass plant flowers

    Compass Plant

    Silphium laciniatum
    Deptfort pink blooming in an open area

    Deptford Pink

    Dianthus armeria
    Photo of dittany flowers

    Dittany

    Cunila origanoides
    fork and knife icon

    Edible

    Photo of downy skullcap flower clusters

    Downy Skullcap

    Scutellaria incana
    Photo of false aloe leaves in basal rosettes.

    False Aloe

    Manfreda virginica (formerly Agave virginica)
    Photo of false garlic flowers

    False Garlic

    Nothoscordum bivalve
    Photo of Florida lettuce flower closeup with syrphid fly

    Florida Lettuce (Woodland Lettuce)

    Lactuca floridana
    fork and knife icon

    Edible

    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of two golden aster flowerheads plus a few leaves.

    Golden Aster (Camphorweed)

    Heterotheca camporum (syn. Chrysopsis villosa var. camporum)
    Photo of tall goldenrod plant with flowers

    Goldenrods

    Solidago spp. (23 species in Missouri)
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    Photo of horseweed flowers

    Horseweed (Canada Fleabane, Hog Weed)

    Conyza canadensis (formerly Erigeron canadensis)
    Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of oblong-leaved aster showing masses of purple flowerheads

    Oblong-Leaved Aster (Aromatic Aster)

    Symphyotrichum oblongifolium (formerly Aster oblongifolius)
    Photo of pale Indian plantain flower clusters.

    Pale Indian Plantain

    Arnoglossum atriplicifolium (also Cacalia atriplicifolia)
    Photo of several pinesap plants showing multiple flowers per stalk.

    Pinesap (False Beech Drops)

    Monotropa hypopitys
    Photo of pokeweed plant with dangling stalks of ripe and unripe berries.

    Pokeweed

    Phytolacca americana
    Poisonous Icon

    Poisonous

    Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie

    Prairie Blazing Star (Gayfeather)

    Liatris pycnostachya
    fork and knife icon

    Edible

    Photo of a prairie dock flowerhead

    Prairie Dock (Prairie Rosinweed)

    Silphium terebinthinaceum
    Photo of a rose gentian flower, closeup

    Rose Gentian (Rose Pink)

    Sabatia angularis
    Photo of rose verbena, or rose vervain, flower cluster showing leaves

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of royal catchfly flowers

    Royal Catchfly

    Silene regia
    Photo of eastern woodland sedge plant growing among leaf litter.

    Sedges

    Carex, Schoenoplectus, Scirpus, and other genera
    Photo of common gerardia plant with flowers

    Slender False Foxglove

    Agalinis tenuifolia (formerly Gerardia tenuifolia)
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of tall fescue plants

    Tall Fescue

    Festuca arundinacea
    invasive icon

    Invasive

    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

    Photo of a tall thoroughwort plant in bloom.
    Photo of white crownbeard plant with flowers

    White Crownbeard

    Verbesina virginica
    Photo of white heath aster flowers

    White Heath Aster

    Symphyotrichum pilosum (formerly Aster pilosus)
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous

    Photo of pink wild onion flower clusters

    Wild Onion

    Allium stellatum
    fork and knife icon

    Edible

    Photo of yellow crownbeard flowerhead.

    Yellow Crownbeard

    Verbesina helianthoides
    Photo of yellow star grass plant with flowers

    Yellow Star Grass

    Hypoxis hirsuta