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

Andropogon virginicus

Andropogon virginicus

Broom Sedge, Broom-sedge, Broomsedge Bluestem

Argemone mexicana

Argemone mexicana

Mexican Pricklypoppy

Clematis serratifolia

Clematis serratifolia

Korean Clematis, Yellow Clematis

Iris bloudowii

Iris bloudowii

Yellow Mongolian Iris

Linaria vulgaris

Linaria vulgaris

Butter And Eggs, Common Toadflax, Yellow Toadflax

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

Sorghastrum nutans

Sorghastrum nutans var. Holt

var. Holt

Indiangrass, Yellow Indiangrass

Telekia speciosa

Telekia speciosa

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

Trifolium campestre

Trifolium campestre

Field Clover, Hop Trefoil