Leaf arrangement: whorled

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Photo of autumn sneezeweed flowerheads, closeup.

Autumn Sneezeweed

Helenium autumnale

Photo of beaked hawkweed flowers.

Beaked Hawkweed

Hieracium gronovii

Photo of blooming bitterweed plant shown from top.

Bitterweed (Bitter Sneezeweed)

Helenium amarum

Photo of blackberry lily showing open and spent flowers and developing fruits.

Blackberry Lily

Iris domestica (formerly Belamcanda chinensis)

Photo of blue-eyed grass flower closeup

Blue-Eyed Grass

Sisyrinchium campestre

Photo of buffalo bur flower and leaves.

Buffalo Bur (Kansas Thistle)

Solanum rostratum

Poisonous

Photo of Carolina false dandelion flowerhead.

Carolina False Dandelion

Pyrrhopappus carolinianus

Edible

Photo of Carolina larkspur plants with flowers

Carolina Larkspur (Prairie Larkspur)

Delphinium carolinianum

Poisonous

Photo of celandine poppy plant and flowers

Celandine Poppy (Wood Poppy)

Stylophorum diphyllum

Photo of a chicory plant.

Chicory

Cichorium intybus

Edible

Photo of common evening primrose, closeup of flowers.

Common Evening Primrose

Oenothera biennis

Edible

Photo of a cornflower, closeup of a flowerhead.

Cornflower (Bachelor's Button)

Centaurea cyanus

Photo of eastern prickly pear plant with flowers

Eastern Prickly Pear

Opuntia humifusa (formerly O. compressa)

Edible

Photo of field cress flowers

Field Cress (Pepper Grass; Pepperweed)

Lepidium campestre

Photo of flowering spurge flowers

Flowering Spurge

Euphorbia corollata

Poisonous

Photo of glade coneflower flowerhead showing yellow pollen

Glade Coneflower

Echinacea simulata

Photo of hedge parsley flower clusters

Hedge Parsley

Torilis arvensis

Photo of hogwort plant showing upper stem leaves and flowers.

Hogwort (Woolly Croton)

Croton capitatus

Photo of Indian paintbrush flowers

Indian Paintbrush

Castilleja coccinea

Image of Johnny-jump-up.

Johnny-Jump-Up (Field Pansy)

Viola bicolor

Edible

Photo of leafy spurge seed heads

Leafy Spurge

Euphorbia esula

Poisonous

Invasive

Photo of Michigan lily, or Turk’s cap lily, closeup of flower

Michigan Lily (Turk’s Cap Lily)

Lilium michiganense

Photo of whorled milkweed flowers.

Milkweeds

Subfamily Asclepiadoideae

Photo of moth mullein flowers

Moth Mullein

Verbascum blattaria

Photo of mullein basal leaves

Mullein

Verbascum thapsus

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.)

Photo of pale purple coneflower showing white pollen among disk florets

Pale Purple Coneflower

Echinacea pallida

Photo of pussytoes showing fuzzy white flowering heads

Plainleaf Pussytoes (Indian Tobacco)

Antennaria parlinii

Photo of prairie milkweed plant in flower.

Prairie Milkweed (Tall Green Milkweed)

Asclepias hirtella

Photo of purple-headed sneezeweed flowerhead showing round, purplish disk.

Purple-Headed Sneezeweed

Helenium flexuosum

Photo of a Queen Anne's lace flower cluster, seen from the top

Queen Anne’s Lace (Wild Carrot)

Daucus carota

Edible

spotted knapweed

Spotted Knapweed

Centaurea stoebe

Invasive

Photo of many blooming ashy sunflower plants, showing gray-green leaves.

Sunflowers

Helianthus spp.

Photo of two-flowered Cynthiana flower

Two-Flowered Cynthia (Orange Dwarf Dandelion)

Krigia biflora

Photo of viper’s bugloss, closeup of flower

Viper's Bugloss

Echium vulgare

Photo of western goat's beard or salsify flower

Western Goat's Beard (Yellow Salsify)

Tragopogon dubius

Photo of white heath aster flowers

White Heath Aster

Symphyotrichum pilosum (formerly Aster pilosus)

Photo of wild comfrey showing flower cluster

Wild Comfrey

Cynoglossum virginianum

Poisonous

Photo of yellow rocket flower clusters

Yellow Rocket

Barbarea vulgaris

Edible