Iris pseudacorus

Iris pseudacorus

Pale Yellow Iris, Yellow Flag

Melilotus officinalis

Melilotus officinalis

Yellow Sweetclover

Corydalis lutea

Corydalis lutea

Golden Bleeding Heart, Yellow Corydalis, Yellow Fumatory, Yellow Rock Fumewort

Sarracenia flava

Sarracenia flava

Yellow Pitcher Plant

Tragopogon dubius

Tragopogon dubius

Western Goatsbeard, Yellow Salsify

Echinacea paradoxa

Echinacea paradoxa

Bush's Purple Coneflower, Yellow Cone Flower, Yellow Coneflower

Gentiana lutea

Gentiana lutea

Yellow Gentian

Centaurea americana

Centaurea americana

American Basketflower, American Star-thistle, American Starthistle, Basket Flower, Basket-flower, Shaving Brush, Sweet Sultan

Argemone mexicana

Argemone mexicana

Mexican Pricklypoppy

Iris bloudowii

Iris bloudowii

Yellow Mongolian Iris

Linaria vulgaris

Linaria vulgaris

Butter And Eggs, Common Toadflax, Yellow Toadflax

Mimulus guttatus

Mimulus guttatus

Seep Monkeyflower, Yellow Monkeyflower

Oenothera biennis

Oenothera biennis

Common Evening Primrose, Evening Primrose

Ratibida pinnata

Ratibida pinnata

Gray-head Coneflower, Gray-head Mexican-hat, Prairie Coneflower, Yellow Coneflower

Rumex crispus

Rumex crispus

Curly Dock

Scabiosa ochroleuca

Scabiosa ochroleuca

Cream Pincushions, Cream Scabious

Telekia speciosa

Telekia speciosa

Giant Ox Eye, Giant Oxeye, Heartleaf Oxeye, Yellow Oxeye

Trifolium campestre

Trifolium campestre

Field Clover, Hop Trefoil

Panax quinquefolius

Panax quinquefolius

American Ginseng, Huaquishen

Teucrium canadense

Teucrium canadense

American Wood Sage, Canada Germander, Germander

Glycyrrhiza lepidota

Glycyrrhiza lepidota

American Licorice, Wild Licorice

Lilium superbum

Lilium superbum

Swamp Lily, Turk's Cap Lily, Turk's-cap Lily

Parthenium integrifolium

Parthenium integrifolium

Wild Quinine

Senna hebecarpa

Senna hebecarpa

American Senna

Verbena hastata

Verbena hastata

American Vervain, Blue Vervain, False Vervain, Indian Hyssop, Swamp Verbena, Swamp Vervain, Vervain, Wild Hyssop