| Family |
Name |
Bloom
|
| Agave |
Small soapweed
Yucca glauca |
May-Jun
|
| Bean |
American vetch
Vicia americana |
May-Jun
|
Black medic
Medicago lupulina |
Apr-Nov
|
Leadplant
Amorpha canescens |
May-Aug
|
Locoweed
Oxytropis campestris
O. lambertii |
May-Aug
|
Lupine, Bluebonnet
Lupinus argenteus |
Jun-Aug
|
Milkvetch
Astragalus bisulcatus
A. crassicarpus
A. missouriensis |
Mar-Aug
|
Prairie clover
Dalea aurea
D. candida
D. purpurea |
May-Sep
|
Prairie goldenpea
Thermopsis rhombifolia |
Apr-Jun
|
Scurfpea
Psoralea argophylla
P. esculenta |
May-Sep
|
Sweetclover
Melilotus alba
M. officinalis |
May-Oct
|
Wild licorice
Glycyrrhiza lepidota |
May-Aug
|
| Bellflower |
Venus' looking glass
Triodanis leptocarpa |
May-Jun
|
| Borage |
False gromwell
Onosmodium molle |
Jun-Jul
|
Cleft gromwell
Lithospermum incisum |
Apr-Jun
|
Butte candle, Miner's candle
Cryptantha celosioides, C. bradburiana |
May-Jul
|
Hound's tongue
Cynoglossum officinale |
May-Jul
|
| Broomrape |
Clustered broomrape
Orobanche fasciculata |
Jun-Jul
|
Prairie broomrape
Orobanche ludoviciana |
Jun-Jul
|
| Buckwheat |
Buckwheat
Eriogonum annuum
E. flavum
E. pauciflorum |
May-Sep
|
| Buttercup |
Crowfoot, Buttercup
Ranunculus glaberrimus |
Apr-Jun
|
Low larspur
Delphinium bicolor |
Apr-Jul
|
Pasqueflower
Anemone patens |
Apr-Jun
|
| Cactus |
Plains prickly pear
Opuntia polycantha |
May-Jun
|
| Caper |
Clammyweed
Polanisia dodecandra |
May-Oct
|
Rocky Mountain beeplant
Cleome serrulata |
Jun-Aug
|
| Cashew |
Poison ivy
Toxicodendron rydbergii |
May-Sep
|
Skunkbush
Rhus aromatica |
Apr-May
|
| Dogbane |
Indian hemp, dogbane
Apocynum cannabinum |
May-Sep
|
| Evening Primrose |
Pale evening primrose
Oenothera albicaulis |
Apr-Aug
|
Velvety gaura
Gaura parviflora |
May-Oct
|
Scarlet gaura, Scarlet butterflyweed
Gaura coccinea |
Jun-Aug
|
Yellow evening primrose
Calylophus serrulatus |
May-Sep
|
| Figwort |
Beardtongue
Penstemon albidus
P. gracilis
P. grandiflorus |
Apr-Aug
|
Narrowleaf penstemon
Penstemon angustifolius |
Jun-Aug
|
Blue-eyed Mary
Collinsia parviflora |
Apr-Jun
|
Butter-and-eggs
Linaria vulgaris |
Jun-Aug
|
Woolly mullein
Verbascum thapsus |
Jun-Jul
|
| Gentian |
Downy gentian, Prairie gentian
Gentiana puberulenta |
Aug-Sep
|
| Goosefoot |
Goosefoot
Chenopodium album
C. gigantospermum
C. berlandieri |
Apr-Sep
|
Poverty weed
Monolepsis nuttalliana |
Apr-Sep
|
| Grape |
Virginia creeper
Parthenocissus quinquefolia |
May-Jul
|
| Honeysuckle |
Western snowberry
Symphoricarpos occidentalis |
Jun-Aug
|
White coralberry
Symphoricarpos albus |
Jun-Jul
|
| Iris |
Mountain blue-eyed grass
Sisyrinchium montanum |
May-Jul
|
| Legume |
Lambert crazyweed, Purple locoweed
Oxytropis lambertii |
May-Jul
|
| Lily |
Wild onion
Allium cernuum
A. geyeri
A. textile |
May-Jul
|
Star Lily
Leucocrinum montanum |
Apr-Jun
|
Gunnison's mariposa lily
Calochortus gunnisonii |
Jun-Aug
|
| Mallow |
Scarlet globemallow, Red false mallow, Cowboy's delight
Sphaeralcea coccinea |
Apr-Aug
|
| Mint |
Wild Bergamot, Horsemint, Beebalm
Monarda fistulosa |
Jul-Aug
|
| Morningglory |
Bush morningglory
Ipomoea leptophylla |
May-Jul
|
| Nightshade |
Buffalo bur
Solanum rostratum |
May-Oct
|
Groundcherry
Physalis longifolia
P. virginiana |
May-Sep
|
| Parsley |
Cymopterus
Cymopterus montanus |
Mar-May
|
Narrow-leaved musineon
Musineon tenuifolium |
May-Sep
|
| Pigweed |
Pigweed
Amaranthus graecizans
A. retroflexus |
Jul-Oct
|
| Pink |
Mouse-ears
Cerastium vulgatum |
Apr-Oct
|
Prairie chickweed, Field chickweed
Cerastium arvense |
May-Jun
|
| Plantain |
Wooly plantain
Plantago patagonica |
May-Aug
|
| Polemonium |
Collomia linearis
Collomia linearis |
Apr-Aug
|
Phlox
Phlox alyssifolia
P. hoodii |
Apr-Aug
|
| Poppy |
Prickly poppy
Bluestem Pricklypoppy
Argemone polyanthemos |
May-Sep
|
| Primrose |
Rock jasmine
Androsace occidentalis |
Mar-Jun
|
| Rose |
Chokecherry
Prunus virginiana |
Apr-May
|
Cinquefoil
Potentilla hippiana
P. pensylvanica |
Jun-Aug
|
Northern hawthorn
Crataegus rotundifolia |
May-Jun
|
Prairie smoke
Geum triflorum |
Apr-Jun
|
Wild plum
Prunus americana |
Apr-May
|
| Rush |
Wiregrass
Juncus dudleyi |
May-Sep
|
| Spiderwort |
Common or Bracted spiderwort
Tradescantia bracteata |
May-Aug
|
| Spurge |
Spurge
Euphorbia dentata
E. esula
E. stictospora |
Jun-Oct
|
Snow-on-the-Mountain
Euphorbia marginata |
Jun-Sep
|
| Stickleaf |
Tenpetal blazingstar, Eveningstar, Chalklily, Tenpetal mentzelia
Mentzelia decapetala |
|
| Stonecrop |
Stonecrop
Sedum lanceolatum |
Jun-Aug
|
| Sunflower |
Blackeyed Susan
Rudbeckia hirta |
May-Sep
|
Blue, Smooth aster
Aster laevis |
Aug-Oct
|
Curlycup gumweed
Grindelia squarrosa |
Jul-Oct
|
Cutleaf ironplant
Haplopapus spinulosus |
May-Sep
|
Dotted gayfeather
Liatris punctata |
Jul-Oct
|
False boneset
Kuhnia eupatorioides |
Aug-Oct
|
Prairie groundsel
Senecio plattensis |
|
False Dandelion
Agoseris glauca |
Apr-Jun
|
Fetid marigold
Dyssodia papposa |
Jul-Sep
|
Field sowthistle
Sonchus arvensis |
Jul-Sep
|
Fleabane
Erigeron glabellus
Erigeron philadelphicus |
Jun-Jul
|
Low fleabane
Erigeron pumilus |
May-Jun
|
Goat chickory
Agoseris glauca |
May-Jun
|
Golden aster
Chrysopsis villosa |
Jul-Sep
|
Goldenrod
Solidago canadensis
S. missouriensis
S. nemoralis |
Jul-Oct
|
Purple coneflower
Echinacea angustifolia |
Jun-Jul
|
Upright Prairie-coneflower
Ratibida columnifera |
Jun-Sep
|
Pussytoes
Antennaria microphylla
A. parviflora |
May-Jul
|
Wavyleaf False-dandelion
Microseris cuspidata |
Apr-May
|
|
Sagewort
Artemisia filifolia
A. frigida
A. ludoviciana
A. dracunculus
|
Jun-Oct
|
Skeletonweed
Lygodesmia juncea |
Jun-Sep
|
Stemless Hymenoxys, Butte Marigold
Hymemoxys acaulis, (Tetraneuris acaulis) |
May-Aug
|
Snakeweed
Gutierrezia sarothrae |
Aug-Oct
|
Spotted knapweed
Centaurea maculosa |
May-Sep
|
Spreading fleabane
Conyza ramosissima |
Jun-Sep
|
Sunflower
Helianthus annuus
H. rigidus |
Jul-Oct
|
Thelesperma
Thelesperma megapotamicum |
May-Sep
|
Thistle
Cirsium arvense
C. undulatum |
May-Sep
|
Fringed sagewort
Artemisia frigida |
Aug-Oct
|
Western ragweed
Ambrosia psilostachya |
Jun-Oct
|
Western salsify
Tragopogon dubius |
May-Jun
|
Western yarrow
Achillea millefolium |
May-Oct
|
| Verbena |
Wooly verbena
Hoary vervain
Verbena stricta |
May-Sep
|
| Violet |
Prairie violet
Viola pedatifida |
Apr-Jun
|
Yellow prairie violet
Viola nuttallii |
May-Jun
|
| Waterleaf |
Waterpod
Ellisia nyctelea |
May-Jul
|
