| Family |
Scientific Name |
Common Name |
Origin |
Image? |
|
Birch - Betulaceae
|
Betula fontinalis
|
WESTERN RIVER BIRCH
|
native
|
Yes
|
|
Borage - Boraginaceae
|
Mertensia ciliata
|
CHIMING BELLS
|
native
|
Yes
|
|
Borage - Boraginaceae
|
Mertensia lanceolata
|
FOOTHILL MERTENSIA
|
native
|
Yes
|
|
Borage - Boraginaceae
|
Lithospermum multiflorum
|
MANY-FLOWERED PUCCOON
|
native
|
Yes
|
|
Broomrape - Orobanchaceae
|
Aphyllon fasciculatum
|
BROOMRAPE
|
native
|
Yes
|
|
Buttercup - Ranunculaceae
|
Cyrtorhyncha ranunculina
|
NUTTALL BUTTERCUP
|
native
|
No
|
|
Cactus - Cactaceae
|
Opuntia polyacantha
|
PRICKLY-PEAR CACTUS
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Castilleja puberula
|
ALPINE PAINTBRUSH
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Veronica nutans
|
ALPINE SPEEDWELL
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Veronica americana
|
AMERICAN BROOKLIME
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Collinsia parviflora
|
BLUE-EYED MARY
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon virens
|
BLUEMIST PENSTEMON
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon cyanocaulis
|
BLUESTEM PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Linaria genistifolia
|
BROAD-LEAVED DALMATIAN TOADFLAX
|
alien
|
Yes
|
|
Figwort - Scrophulariaceae
|
Linaria vulgaris
|
BUTTER AND EGGS
|
alien
|
Yes
|
|
Figwort - Scrophulariaceae
|
Veronica anagallis-aquatica
|
CHAIN SPEEDWELL
|
alien
|
No
|
|
Figwort - Scrophulariaceae
|
Castilleja chromosa
|
COLORFUL INDIAN PAINTBRUSH
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon comarrhenus
|
DUSTY PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Castilleja integra
|
FOOTHILLS PAINTBRUSH
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon mensarum
|
GRAND MESA PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon harringtonii
|
HARRINGTON'S BEARDTONGUE
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon grandiflorus
|
LARGE-FLOWERED BEARDTONGUE
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon caespitosus
|
MAT PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon glaber
|
MOUNTAIN BEARDTONGUE
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Verbascum thapsus
|
MULLEIN
|
alien
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon angustifolius
|
NARROW-LEAVED PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon secundiflorus
|
ONE-SIDED PENSTEMON
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon osterhoutii
|
OSTERHOUT BEARDTONGUE
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Castilleja sessiliflora
|
PLAINS PAINTBRUSH
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon strictus
|
ROCKY MOUNTAIN PENSTEMON
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Castilleja rhexifolia
|
ROSY PAINTBRUSH
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon rydbergii
|
RYEBERG PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Castilleja miniata
|
SCARLET PAINTBRUSH
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Penstemon gracilis
|
SLENDER PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Pocilla biloba
|
SPEEDWELL
|
alien
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon virgatus
|
TALL PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Veronica catenata
|
WATER SPEEDWELL
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Castilleja occidentalis
|
WESTERN YELLOW PAINTBRUSH
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon whippleanus
|
WHIPPLE PENSTEMON
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Penstemon albidus
|
WHITE BEARDTONGUE
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Castilleja linariifolia
|
WYOMING PAINTBRUSH
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Castilleja flava
|
YELLOW INDIAN PAINTBRUSH
|
native
|
No
|
|
Figwort - Scrophulariaceae
|
Orthocarpus luteus
|
YELLOW OWL-CLOVER
|
native
|
Yes
|
|
Figwort - Scrophulariaceae
|
Castilleja sulphurea
|
YELLOW PAINTBRUSH
|
native
|
Yes
|
|
Geranium - Geraniaceae
|
Geranium caespitosum
|
PARRY GERANIUM
|
native
|
Yes
|
|
Mariposa - Calochortaceae
|
Calochortus gunnisonii
|
GUNNISON MARIPOSA
|
native
|
Yes
|
|
Mint - Lamiaceae
|
Nepeta cataria
|
CATNIP
|
alien
|
Yes
|
|
Mint - Lamiaceae
|
Dracocephalum parviflorum
|
DRAGONHEAD
|
native
|
No
|
|
Mint - Lamiaceae
|
Mentha arvensis
|
FIELD MINT
|
native
|
Yes
|
|
Mint - Lamiaceae
|
Teucrium canadense
|
GERMANDER
|
native
|
No
|
|
Mint - Lamiaceae
|
Agastache foeniculum
|
GIANT HYSSOP
|
native
|
No
|
|
Mint - Lamiaceae
|
Stachys palustris
|
HEDGE-NETTLE
|
native
|
No
|
|
Mint - Lamiaceae
|
Monarda fistulosa
|
HORSEMINT
|
native
|
Yes
|
|
Mint - Lamiaceae
|
Scutellaria galericulata
|
MARSH SKULLCAP
|
native
|
No
|
|
Mint - Lamiaceae
|
Prunella vulgaris
|
SELF-HEAL
|
native
|
Yes
|
|
Mint - Lamiaceae
|
Scutellaria brittonii
|
SKULLCAP
|
native
|
Yes
|
|
Mint - Lamiaceae
|
Lycopus americanus
|
WATER HOREHOUND
|
native
|
No
|
|
Orchid - Orchidaceae
|
Calypso bulbosa
|
FAIRY SLIPPER
|
native
|
Yes
|
|
Orchid - Orchidaceae
|
Limnorchis hyperborea
|
NORTHERN GREEN ORCHID
|
native
|
No
|
|
Orchid - Orchidaceae
|
Goodyera oblongifolia
|
RATTLESNAKE-PLANTAIN
|
native
|
Yes
|
|
Orchid - Orchidaceae
|
Corallorhiza maculata
|
SPOTTED CORALROOT
|
native
|
Yes
|
|
Orchid - Orchidaceae
|
Corallorhiza striata
|
STRIPED CORALROOT
|
native
|
No
|
|
Pea - Fabaceae
|
Medicago sativa
|
ALFALFA
|
alien
|
Yes
|
|
Pea - Fabaceae
|
Trifolium hybridum
|
ALSIKE CLOVER
|
alien
|
No
|
|
Pea - Fabaceae
|
Vicia americana
|
AMERICAN VETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Lupinus bakeri
|
BAKER LUPINE
|
native
|
Yes
|
|
Pea - Fabaceae
|
Robinia pseudoacacia
|
BLACK LOCUST
|
alien
|
No
|
|
Pea - Fabaceae
|
Medicago lupulina
|
BLACK MEDIC
|
alien
|
Yes
|
|
Pea - Fabaceae
|
Astragalus racemosus
|
CREAM MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus amphioxys
|
CRESCENT MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus drummondii
|
DRUMMOND MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus agrestis
|
FIELD MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus crassicarpus
|
GROUNDPLUM
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus hallii
|
HALL MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Oxytropis lambertii
|
LAMBERT LOCO
|
native
|
Yes
|
|
Pea - Fabaceae
|
Amorpha canescens
|
LEADPLANT
|
native
|
No
|
|
Pea - Fabaceae
|
Astragulus tenellus
|
LOOSE-FLOWERED MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus missouriensis
|
MISSOURI MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Robinia neomexicana
|
NEW MEXICO LOCUST
|
alien
|
Yes
|
|
Pea - Fabaceae
|
Astragalus ceramicus
|
PAINTED MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus parryi
|
PARRY MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Lathyrus eucosmus
|
PURPLE PEAVINE
|
native
|
Yes
|
|
Pea - Fabaceae
|
Dalea purpurea
|
PURPLE PRAIRIE CLOVER
|
native
|
Yes
|
|
Pea - Fabaceae
|
Trifolium pratense
|
RED CLOVER
|
alien
|
Yes
|
|
Pea - Fabaceae
|
Oxytropis sericea
|
ROCKY MOUNTAIN LOCO
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus shortianus
|
SHORT'S MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Lupinus argenteus
|
SILVERY LUPINE
|
native
|
Yes
|
|
Pea - Fabaceae
|
Psoralidium tenuiflorum
|
SLENDER-FLOWERED SCURF PEA
|
native
|
Yes
|
|
Pea - Fabaceae
|
Thermopsis divaricarpa
|
SPREADFRUIT GOLDEN BANNER
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus laxmannii
|
STANDING MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus pectinatus
|
TINED-LEAF MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus spatulatus
|
TUFTED MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus bisulcatus
|
TWO-GROOVED MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus miser
|
WEEDY MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Trifolium repens
|
WHITE DUTCH CLOVER
|
alien
|
Yes
|
|
Pea - Fabaceae
|
Lathyrus leucanthus
|
WHITE-FLOWERED PEAVINE
|
native
|
Yes
|
|
Pea - Fabaceae
|
Dalea candida
|
WHITE PRAIRIE CLOVER
|
native
|
Yes
|
|
Pea - Fabaceae
|
Melilotus albus
|
WHITE SWEETCLOVER
|
alien
|
No
|
|
Pea - Fabaceae
|
Glycyrrhiza lepidota
|
WILD LICORICE
|
native
|
Yes
|
|
Pea - Fabaceae
|
Astragalus flexuosus
|
WIRY MILKVETCH
|
native
|
No
|
|
Pea - Fabaceae
|
Astragalus mollissimus
|
WOOLY MILKVETCH
|
native
|
Yes
|
|
Pea - Fabaceae
|
Melilotus officinale
|
YELLOW SWEETCLOVER
|
alien
|
Yes
|
|
Rock-rose - Cistaceae
|
Crocanthemum bicknellii
|
FROSTWEED
|
native
|
No
|
|
Rose - Rosaceae
|
Potentilla pulcherrima
|
BEAUTIFUL CINQUEFOIL
|
native
|
No
|
|
Rose - Rosaceae
|
Potentilla pensylvanica
|
PRAIRIE CINQUEFOIL
|
native
|
No
|
|
Rose - Rosaceae
|
Potentilla hippiana
|
SILVERY POTENTILLA
|
native
|
Yes
|
|
Spiderwort - Commelinaceae
|
Tradescantia occidentalis
|
WESTERN SPIDERWORT
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Senecio triangularis
|
ARROWLEAF SENECIO
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Machaeranthera bigelovii
|
BIGELOW'S TANSY ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Rudbeckia hirta
|
BLACK-EYED SUSAN
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron melanocephalus
|
BLACK-HEADED DAISY
|
native
|
No
|
|
Sunflower - Asteraceae
|
Gaillardia aristata
|
BLANKETFLOWER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron divergens
|
BRANCHING ERIGERON
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Senecio spartioides
|
BROOM SENECIO
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Agoseris aurantiaca
|
BURNT-ORANGE AGOSERIS
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Senecio crassulus
|
BUTTERWEED
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Machaeranthera coloradoensis
|
COLORADO TANSY ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Taraxacum officinale
|
COMMON DANDELION
|
alien
|
Yes
|
|
Sunflower - Asteraceae
|
Helianthus annuus
|
COMMON SUNFLOWER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron compositus
|
CUTLEAF DAISY
|
native
|
No
|
|
Sunflower - Asteraceae
|
Erigeron pumilus
|
DWARF FLEABANE
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Senecio integerrimus
|
EARLY SPRING SENECIO
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron eatonii
|
EATON'S FLEABANE
|
native
|
No
|
|
Sunflower - Asteraceae
|
Agoseris glauca
|
FALSE DANDELION
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Packera fendleri
|
FENDLER SENECIO
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Heterotheca villosa
|
GOLDEN ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Machaeranthera canescens
|
HOARY TANSY ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Townsendia hookeri
|
HOOKER TOWNSENDIA
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Aster foliaceus
|
LEAFY-BRACTED ASTER
|
native
|
No
|
|
Sunflower - Asteraceae
|
Erigeron simplex
|
ONE-HEADED DAISY
|
native
|
No
|
|
Sunflower - Asteraceae
|
Leucanthemum vulgare
|
OXEYE DAISY
|
alien
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron pinnatisectus
|
PINNATE-LEAVED DAISY
|
native
|
No
|
|
Sunflower - Asteraceae
|
Aster porteri
|
PORTER ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Ratibida columnifera
|
PRAIRIE CONEFLOWER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron speciosus
|
SHOWY DAISY
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Aster laevis
|
SMOOTH ASTER
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Gutierrezia sarothrae
|
SNAKEWEED
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron peregrinus
|
SUBALPINE DAISY
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Heliomeris multiflora
|
SUNSPOTS
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Nothocalais cuspidata
|
WAVY-LEAF FALSE-DANDELION
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Erigeron flagellaris
|
WHIPLASH DAISY
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Rudbeckia ampla
|
WILD GOLDEN GLOW
|
native
|
Yes
|
|
Sunflower - Asteraceae
|
Achillea lanulosa
|
YARROW
|
native
|
Yes
|
|
Willow - Salicaceae
|
Populus balsamifera
|
BALSAM POPLAR
|
native
|
No
|
|
Willow - Salicaceae
|
Salix fragilis
|
CRACK WILLOW
|
native
|
No
|
|
Willow - Salicaceae
|
Salix geyeriana
|
GEYER WILLOW
|
native
|
No
|
|
Willow - Salicaceae
|
Salix lucida
|
GREENLEAF WILLOW
|
native
|
No
|
|
Willow - Salicaceae
|
Populus x acuminata
|
LANCELEAF COTTONWOOD
|
native
|
No
|
|
Willow - Salicaceae
|
Salix monticola
|
MOUNTAIN WILLOW
|
native
|
No
|
|
Willow - Salicaceae
|
Populus angustifolia
|
NARROWLEAF COTTONWOOD
|
native
|
Yes
|
|
Willow - Salicaceae
|
Populus deltoides
|
PLAINS COTTONWOOD
|
native
|
Yes
|
|
Willow - Salicaceae
|
Salix exigua
|
SANDBAR WILLOW
|
native
|
Yes
|