Alfalfa (Medicago sativa)

Alpine forget-me-not (Eritrichium nanum)

American pasqueflower (Pulsatilla patens)

Annual sunflower (Helianthus annuus)

Bigleaf lupine (Lupinus polyphyllus)

Bitter root (Lewisia rediviva)

Black-eyed susan (Rudbeckia hirta)

Blue false indigo (Baptisia australis)

Blue-eyed grass (Sisyrinchium campestre)

Butterfly milkweed (Asclepias tuberosa)

California fuchsia (Epilobium canum)

California poppy (Eschscholzia californica)

Canada goldenrod (Solidago canadensis)

Canada thistle (Cirsium arvense)

Colorado blue columbine (Aquilegia caerulea)

Coltsfoot (Tussilago farfara)

Common dandelion (Taraxacum officinale)

Common greenbrier (Smilax rotundifolia)

Common milkweed (Asclepias syriaca)

Common wormwood (Artemisia vulgaris)

Common yarrow (Achillea millefolium)

Creamy indigo (Baptisia bracteata)

Dalmatian toadflax (Linaria dalmatica)

Darkthroat shootingstar (Dodecatheon pulchellum)

Datura (Datura stramonium)

Desert four o'clock (Mirabilis multiflora)

Diffuse knapweed (Centaurea diffusa)

Dogtooth violet (Erythronium americanum)

Dotted blazing star (Liatris punctata)

Dotted horsemint (Monarda punctata)

Eastern teaberry (Gaultheria procumbens)

Edible thistle (Cirsium edule)

Fiddleneck (Amsinckia menziesii)

Field mustard (Brassica rapa)

Foxglove beard tongue (Penstemon digitalis)

Garlic mustard (Alliaria petiolata)

Grass of Parnassus (Parnassia glauca)

Gray-headed coneflower (Ratibida pinnata)

Henbit deadnettle (Lamium amplexicaule)

Hoary puccoon (Lithospermum canescens)

Hummingbird sage (Salvia spathacea)

Indian breadroot (Pediomelum esculentum)

Indian pink (Spigelia marilandica)

Jack in the pulpit (Arisaema triphyllum)

Lanceleaf springbeauty (Claytonia lanceolata)

Large flowered trillium (Trillium grandiflorum)

Lead plant (Amorpha canescens)

Maximilian sunflower (Helianthus maximiliani)

Mayapple (Podophyllum peltatum)

Moss campion (Silene acaulis)

Mugwort (Artemisia douglasiana)

New England aster (Symphyotrichum novae-angliae)

Obedient plant (Physostegia virginiana)

Oregon wild iris (Iris tenax)

Pacific silverweed (Argentina egedii)

Pacific trillium (Trillium ovatum)

Pinkladies (Oenothera speciosa)

Plains prickly-pear (Opuntia phaeacantha)

Prairie blazingstar (Liatris pychnostachya)

Prairie phlox (Phlox pilosa)

Prairie smoke (Geum triflorum)

Purple coneflower (Echinacea angustifolia)

Purple passion flower (Passiflora incarnata)

Purple prairie clover (Dalea purpurea)

Red columbine (Aquilegia canadensis)

Rose checker-mallow (Sidalcea malviflora ssp. virgata)

Rough blazingstar (Liatris aspera)

Sand penstemon (Penstemon ambiguus)

Scarlet gilia (Ipomopsis aggregata)

Scarlet globemallow (Sphaeralcea coccinea)

Showy prairie gentian (Eustoma exaltatum)

Silverleaf phacelia (Phacelia hastata)

Skunk cabbage (Symplocarpus foetidus)

Soapweed yucca (Yucca glauca)

Soft green eyes (Berlandiera pumila)

Spadderdock (Nuphar advena)

Spider lily (Hymenocallis latifolia)

Spiderwort (Tradescantia ohiensis)

Spotted knapweed (Centaurea stoebe)

Trailing arbutus (Epigaea repens)

Virginia bluebells (Mertensia virginica)

Virginia creeper (Parthenocissus quinquefolia)

Wapato (Sagittaria latifolia)

Water lily (Nymphaea odorata)

Western blue-eyed grass (Sisyrinchium bellum)

Western ragweed (Ambrosia psilostachya)

Western skunk cabbage (Lysichiton americanus)

White clover (Trifolium repens)

Wild bergamot (Monarda fistulosa)

Wild lupine (Lupinus perennis)

Wild quinine (Parthenium integrifolium)

Wild strawberry (Fragaria virginiana)

Yellow coneflower (Ratibida columnifera)

Yellow jessamine (Gelsemium sempervirens)