Plants by Family
Plants are grouped by their scientific names within family,
which are listed by common name. See
Plant Families for a list of families by scientific name and
Plant Family Changes for
a list of recent reclassifications affecting flora on this website. For
distinguishing features of the larger families see
Family Characteristics.
Tap on the common name to see an image and more details.
Tap on the family name to see images of the plants in the family.
You can use your browser's Back function to return to this page or follow
links to other pages.
Zones are: P = Plains, F = Foothills, M = Montane, S = Subalpine and A =
Alpine. See Life Zones for
details.
| Scientific Name | Common Name | Color | Zones | Habitat |
|---|---|---|---|---|
| Family: Amaranth (Amaranthaceae) | ||||
| Amaranthus acanthochiton | Greenstripe | green | PF | sandy, disturbed areas |
| Amaranthus blitoides | Prostrate Pigweed | green | PF | disturbed areas |
| Amaranthus retroflexus | Redroot Pigweed | green yellow | PFM | disturbed areas |
| Atriplex canescens | Fourwing Saltbush | shrub yellow | PF | dry sandy areas |
| Atriplex confertifolia | Shadscale | shrub yellow | FM | dry sandy areas |
| Atriplex heterosperma | Saltbush | green | P | marshes, saline riverbanks |
| Chenopodium album | Lamb's Quarters | green | PFM | disturbed soil |
| Chenopodium atrovirens | Green Goosefoot | green pink | PFM | disturbed soil |
| Chenopodium capitatum | Strawberry Blite | green red | PFM | disturbed soil |
| Chenopodium dessicatum | Aridland Goosefoot | green | PFM | disturbed soil |
| Chenopodium fremontii | Fremont's Goosefoot | green | FM | disturbed soil |
| Chenopodium glaucum v. salinum | Oak-leaf Goosefoot | green | PF | moist waste areas |
| Chenopodium incanum v. elatum | Mealy Goosefoot | green | PF | dry sandy areas, roadsides |
| Chenopodium incanum v. incanum | Mealy Goosefoot | green | PF | dry sandy areas, roadsides |
| Chenopodium neomexicanum | New Mexico Goosefoot | green | PF | moist soil, roadsides |
| Chenopodium pratericola | Desert Goosefoot | white green | PF | sandy areas, floodplains |
| Dysphania graveolens | Fetid Goosefoot | green | FM | dry areas, openings |
| Grayia spinosa | Spiny Hopsage | shrub pink | PF | dry rocky sandy areas |
| Halogeton glomeratus | Saltlover | green pink | PF | arid saline and alkaline soils |
| Kochia scoparia | Kochia | green brown | PF | disturbed areas |
| Krascheninnikovia lanata | Winterfat | white | PF | dry, sunny, sandy areas |
| Neokochia americana | Green Molly | green | PF | desert flats, washes, marshes |
| Salsola tragus | Russian Thistle | white | P | dry sandy areas |
| Suaeda calceoliformis | Pursh Seepweed | green | PF | saline and alkaline soils |
| Family: Amaryllis (Amaryllidaceae) | ||||
| Allium brandegeei | Brandegee's Onion | white | SA | dry slopes |
| Allium cernuum | Nodding Onion | pink | FMS | meadows, ridges |
| Allium geyeri | Geyer Onion | pink | FMSA | moist soil |
| Allium macropetalum | Largeflower Onion | white | PF | dry slopes |
| Allium textile | White Wild Onion | white | PF | dry, sandy areas |
| Family: Arrowgrass (Juncaginaceae) | ||||
| Triglochin maritima | Seaside Arrowgrass | green | FM | moist areas |
| Triglochin palustris | Marsh Arrowgrass | green | FMS | moist alkaline areas |
| Family: Asparagus (Asparagaceae) | ||||
| Asparagus officinalis | Wild Asparagus | yellow green | P | roadsides, fields, ditches |
| Maianthemum racemosum | False Solomon's Seal | white | MS | moist woods |
| Maianthemum stellatum | Starry False Solomon's Seal | white | FM | moist meadows |
| Yucca angustissima | Fine-Leaf Yucca | white | PF | sandy soils, desert shrub |
| Yucca baccata | Banana Yucca | white | PF | dry meadows, slopes |
| Yucca baileyi | Navajo Yucca | white | PF | dry woodlands, slopes |
| Yucca glauca | Soapweed Yucca | white | PF | dry sandy soils, grasslands |
| Yucca harrimaniae | Spanish Bayonet | white | PF | dry meadows, slopes |
| Family: Barberry (Berberidaceae) | ||||
| Berberis fendleri | Fendler Barberry | yellow shrub | PFM | canyons |
| Mahonia repens | Oregon Grape | yellow shrub | FM | rocky slopes |
| Family: Beech (Fagaceae) | ||||
| Quercus gambelii | Gambel Oak | tree | PFM | dry slopes, roadsides |
| Quercus grisea | Gray Oak | tree | PF | pinyon/juniper woodlands |
| Quercus undulata | Wavyleaf Oak | tree | PFM | pinyon/juniper woodlands |
| Family: Bellflower (Campanulaceae) | ||||
| Campanula parryi | Parry Harebell | blue purple | MSA | moist meadows |
| Campanula rotundifolia | Mountain Harebell | blue | A | dry, rocky meadows |
| Campanula uniflora | Alpine Harebell | blue | A | rocky, grassy places |
| Lobelia cardinalis | Cardinal Flower | red | F | wet areas |
| Family: Bignonia (Bignoniaceae) | ||||
| Catalpa speciosa | Northern Catalpa | white | PF | roadsides, clearings |
| Chilopsis linearis | Desert Willow | pink | PF | dry washes |
| Family: Birch (Betulaceae) | ||||
| Alnus incana tenufolia | Mountain Alder | tree | FMS | stream and lakesides |
| Betula glandulosa | Bog Birch | shrub | SA | moist areas |
| Betula occidentalis | Rocky Mountain Birch | tree | FMS | streamsides |
| Family: Bladder Fern(Cystopteridaceae) | ||||
| Cystopteris fragilis | Fragile Fern | green fern | PFMSA | rock crevices |
| Family: Bladderwort (Lentihulariaceae) | ||||
| Utricularia vulgaris | Common Bladderwort | yellow | MS | water |
| Family: Borage (Boraginaceae) | ||||
| Cryptantha cinerea var. jamesii | James' Cryptantha | white | PF | disturbed areas |
| Cryptantha crassisepala | Thicksepal Cryptantha | white | PF | dry areas, roadsides |
| Cryptantha fendleri | Sand Dune Cryptantha | white | PF | sandy areas, sagebrush |
| Cryptantha flavoculata | Roughseed Cryptantha | white | PFM | dry meadows |
| Cryptantha fulvocanescens | Tawny Cryptantha | white | PF | dry areas, waste ground |
| Cryptantha minima | Little Cryptantha | white | PF | sandy areas, woodlands |
| Cryptantha pterocarya | Wingnut Cryptantha | white | PF | pinyon-juniper woodlands |
| Cryptantha virgata | Miner's Candle | white | PFM | dry slopes, mesas, roadsides |
| Cynoglossum officinale | Houndstongue | purple red | PFM | disturbed soil |
| Eritrichium nanum | Alpine Forget-me-not | blue | SA | rocky slopes, tundra |
| Hackelia floribunda | False Forget-me-not | blue | MS | meadows |
| Hydrophyllum capitatum | Ballhead Waterleaf | lavender | FM | moist woods |
| Hydrophyllum fendleri | Fendler Waterleaf | pink | FM | moist woods |
| Lappula occidentalis v. cupulata | Flatspine Stickseed | white blue | FM | dry meadows |
| Lappula occidentalis v. occidentalis | Flatspine Stickseed | white blue | FM | dry meadows, disturbed soil |
| Lappula squarrosa | European Stickseed | white blue | PF | disturbed areas, waste places |
| Lithospermum incisum | Fringed Gromwell | yellow | PFM | dry areas |
| Lithospermum multiflorum | Manyflowered Puccoon | yellow | MS | dry woods, openings |
| Mertensia ciliata | Tall Chiming Bells | blue | MS | wet soil |
| Mertensia franciscana | Franciscan Bluebells | blue | MS | wet soil |
| Mertensia fusiformis | Dwarf Chiming Bells | blue | MS | wet soil |
| Mertensia lanceolata | Lanceleaf Chiming Bells | blue | PFM | dry meadows |
| Mertensia oblongifolia | Oblongleaf Chiming Bells | blue | PFM | dry slopes, sagebrush |
| Myosotis scorpioides | True Forget-me-not | blue | MS | moist meadows |
| Nama dichotomum | Wishbone Fiddleleaf | pink purple | PF | disturbed areas |
| Nama hispidum | Bristly Nama | blue purple | PF | sandy areas |
| Nama retrorsum | Betatakin Nama | purple | PF | dry sandy areas |
| Oreocarya flava | Yellow Cryptantha | yellow | F | dry sandy areas |
| Phacelia crenulata | Cleftleaf Wildheliotrope | purple | F | canyons, sandy, gravelly areas |
| Phacelia glandulosa | Glandular Phacelia | purple | SA | gravelly, rocky areas |
| Phacelia hastata | Silverleaf Phacelia | lavender | SA | open areas |
| Phacelia hastata var. alpina | Whiteleaf Phacelia | blue purple | SA | scree, rocky areas |
| Phacelia heterophylla | Varileaf Phacelia | white | FM | disturbed soil |
| Phacelia integrifolia | Gypsum Scorpionweed | violet purple | F | dry sandy areas |
| Phacelia sericea | Purple Fringe | blue purple | SA | gravel slopes |
| Plagiobothrys scouleri v. hispidulus | Sleeping Popcornflower | white | FM | moist areas, pond edges |
| Family: Bracken (Dennstaedtiaceae) | ||||
| Pteridium aquilinum | Bracken Fern | green fern | MS | open woods |
| Family: Broomrape (Orobanchaceae) | ||||
| Castilleja chromosa | Desert Paintbrush | orange red | PF | gravelly areas |
| Castilleja integra | Orange Paintbrush | orange red | PF | gravelly areas |
| Castilleja linariifolia | Wyoming Paintbrush | red | FM | meadows |
| Castilleja miniata | Scarlet Paintbrush | red | M | meadows, woods |
| Castilleja minor | Lesser Indian Paintbrush | red | PF | wet areas, streamsides |
| Castilleja nelsonii | Southern Mountains Paintbrush | orange red | FMS | rocky slopes, open forests |
| Castilleja occidentalis | Western Yellow Paintbrush | white green | SA | slopes |
| Castilleja rhexiifolia | Rosy Paintbrush | pink | SA | meadows |
| Castilleja sulphurea | Sulphur Paintbrush | white green | PFMS | moist areas |
| Cordylanthus wrightii | Bird's Beak | pink | PF | sandy areas, opening |
| Orobanche corymbosa | Flat-top Broomrape | pink | PF | open, sandy areas |
| Orobanche fasciculata | Clustered Broomrape | pink brown | PFM | sagebrush, open woods |
| Orobanche ludoviciana ssp. multiflora | Manyflower Broomrape | pink | PF | open, sandy areas |
| Orobanche uniflora | One-flowered Broomrape | white purple | PFM | damp woods |
| Orthocarpus luteus | Owl Clover | yellow | PFM | meadows, slopes |
| Pedicularis bracteosa | Bracted Lousewort | yellow | MS | moist areas |
| Pedicularis canadensis | Canadian Lousewort | yellow | PFM | dry or rocky woodlands |
| Pedicularis centranthera | Dwarf Lousewort | pink | PF | sandy woodlands |
| Pedicularis crenulata | Meadow Lousewort | pink | FM | wet areas, marshes |
| Pedicularis groenlandica | Elephant Heads | pink | MSA | wet soil |
| Pedicularis parryi | Parry's Lousewort | cream | SA | moist slopes |
| Pedicularis procera | Towering Lousewort | cream | MS | moist woods |
| Pedicularis racemosa | Sickletop Lousewort | white | MS | dry forests |
| Family: Buckthorn (Rhamnaceae) | ||||
| Ceanothus fendleri | Fendler's Buckbrush | white shrub | FM | dry slopes |
| Ceanothus velutinus | Snowbrush | white shrub | M | sunny slopes |
| Family: Buckwheat (Polygonaceae) | ||||
| Eriogonum alatum | Winged Buckwheat | yellow | FM | openings |
| Eriogonum alpinum | Creamy Buckwheat | white | PFMSA | meadows |
| Eriogonum annuum | Annual Buckwheat | white | PF | dry sandy areas |
| Eriogonum bicolor | Pretty Buckwheat | white pink | F | dry rocky areas |
| Eriogonum cernuum | Nodding Buckwheat | white | PF | sandy soils |
| Eriogonum coloradense | Colorado Buckwheat | pink white | SA | dry rocky slopes |
| Eriogonum corymbosum | Crispleaf Buckwheat | white shrub | PF | dry gravelly areas, hillsides |
| Eriogonum effusum | Spreading Buckwheat | white | PF | dry areas, hillsides |
| Eriogonum flavum | Alpine Sulphur Flower | yellow | A | rocky areas and slope |
| Eriogonum jamesii | James' Buckwheat | white | PFM | dry open areas |
| Eriogonum leptophyllum | Slenderleaf Buckwheat | white | PF | sagebrush, pinyon-juniper |
| Eriogonum lonchophyllum | Spearleaf Buckwheat | white | FM | openings, roadsides |
| Eriogonum microthecum | Slender Buckwheat | white | FM | openings, roadsides |
| Eriogonum ovalifolium | Cushion Buckwheat | white | PF | dry rocky areas |
| Eriogonum polycladon | Sorrel Buckwheat | pink | PF | sandy washes, canyons |
| Eriogonum racemosum | Wild Buckwheat | pink | FMS | dry meadows |
| Eriogonum umbellatum v. aureum | Sulphur Flower | yellow | FMS | dry meadows, slopes |
| Eriogonum umbellatum v. porteri | Porter's Sulphur Flower | yellow | SA | dry meadows, rocky slopes |
| Fallopia baldschuanica | Russian Vine | white | PF | fences, trees |
| Oxyria digyna | Alpine Sorrel | red | A | scree |
| Persicaria amphibia | Water Smartweed | pink | PFM | water |
| Persicaria lapathifolia | Curlytop Knotweed | pink | PF | moist waste areas, floodplains |
| Persicaria maculosa | Spotted Lady's-thumb | pink | PF | moist waste areas |
| Polygonum bistortoides | American Bistort | white | MSA | moist meadows |
| Polygonum ramosissimum | Bushy Knotweed | white pink | PF | disturbed areas |
| Polygonum viviparum | Alpine Bistort | white | SA | meadows, tundra |
| Rheum rhabarbarum | Wild Rhubarb | white | FMS | old settlements |
| Rumex acetosella | Sheep Sorrel | red | PFM | disturbed soil |
| Rumex crispus | Curly Dock | brown green | PFM | meadows |
| Rumex densiflorus | Dense-flowered Dock | green | MSA | moist meadows |
| Rumex hymenosepalus | Canaigre Dock | pink brown | P | dry, sandy areas |
| Rumex occidentalis | Western Dock | green | PF | wet areas, riverbanks |
| Rumex paucifolius | Mountain Sorrel | red | A | meadows |
| Rumex pulcher | Fiddle Dock | green red | PF | moist waste areas |
| Rumex triangulivalvis | White Dock | green | PFM | moist waste areas, roadsides |
| Family: Buttercup (Ranunculaceae) | ||||
| Aconitum columbianum | Monkshood | purple | MS | moist meadows |
| Actaea rubra | Baneberry | white shrub | MS | moist shaded woods |
| Anemone cylindrica | Candle Anemone | white | PF | open woods, road sides |
| Anemone multifida | Pacific Anemone | white | PFM | rocky soil, trail sides |
| Anemone multifida v. globosa | Red Anemone | red | MSA | meadows, rocky places |
| Anemone narcissiflora | Alpine Anemone | white | A | moist meadows |
| Aquilegia barnebyi | Oil Shale Columbine | yellow pink | M | moist cliff walls, talus |
| Aquilegia coerulea | Colorado Columbine | blue | FMSA | meadows, woods, scree |
| Aquilegia coerulea x elegantula | Columbine Hybrid | pink blue | MS | rocky slopes |
| Aquilegia elegantula | Red Columbine | red | FMSA | moist forest edges |
| Caltha leptoseptala | Marsh Marigold | white | SA | wet soil |
| Clematis columbiana | Rock Clematis | blue | FM | woodlands |
| Clematis hirsutissima v. hirsutissima | Sugar Bowls | blue purple | F | dry slopes |
| Clematis hirsutissima v. scottii | Scott's Clematis | purple | FM | meadows, thickets |
| Clematis ligusticifolia | Western White Clematis | white shrub | PF | stream sides, woods |
| Delphinium barbeyi | Subalpine Larkspur | blue purple | S | moist meadows |
| Delphinium nelsonii | Larkspur | blue purple | FM | slopes |
| Pulsatilla nuttalliana | Pasque Flower | lavender | FMSA | meadows, rocky slopes |
| Ranunculus acriformis | Sharpleaf Buttercup | yellow | MS | moist meadows |
| Ranunculus adoneus | Snow Buttercup | yellow | SA | talus, meadows |
| Ranunculus alismifolius | Plantain Leafed Buttercup | yellow | SA | wet meadows |
| Ranunculus aquatilis | Water Crowfoot | white | FMS | water |
| Ranunculus cardiophyllus | Heart-leaved Buttercup | yellow | MS | moist meadows |
| Ranunculus cymbalaria | Alkali Buttercup | yellow | PF | wet areas, bogs, streamsides |
| Ranunculus eschscholtzii | Subalpine Buttercup | yellow | SA | moist areas, snowmelt |
| Ranunculus glaberrimus | Sagebrush Buttercup | yellow | PF | sagebrush |
| Ranunculus inamoenus | Graceful Buttercup | yellow | SA | moist areas |
| Ranunculus macauleyi | Macauley's Buttercup | yellow | SA | moist meadows |
| Ranunculus macounii | Macoun's Buttercup | yellow | FMS | moist woods |
| Ranunculus ranunculinus | Tadpole Buttercup | yellow | MS | rocky slopes,sagebrush |
| Ranunculus repens | Creeping Buttercup | yellow | MS | moist areas |
| Ranunculus uncinatus | Woodland Buttercup | yellow | FM | moist woods |
| Thalictrum fendleri | Meadowrue | yellow green | FM | moist woods |
| Trollius laxus | Globeflower | white | SA | wet soil |
| Family: Cactus (Cactaceae) | ||||
| Cylindropuntia imbricata | Cholla | red purple | PF | dry, sunny slopes |
| Echinocereus coccineus | Scarlet Hedgehog Cactus | red | PF | dry openings, slopes |
| Echinocereus fendleri | Pinkflower Hedgehog Cactus | pink | PF | dry areas, rocky slopes |
| Echinocereus triglochidiatus | Claret Cup Cactus | red | PF | dry openings, slopes |
| Echinocereus viridiflorus | Green Pitaya | yellow green | PF | dry areas, grassy hillsides |
| Escobaria vivipara | Spinystar | pink | PFM | dry areas, rocky slopes |
| Opuntia macrorhiza | Western Prickly Pear | yellow | P | dry areas, rocky slopes |
| Opuntia phaeacantha | Desert Prickly Pear | yellow | PF | dry meadows, slopes |
| Opuntia polycantha | Plains Prickly Pear | yellow | PF | dry meadows, slopes |
| Opuntia polycantha var. erinacea | Grizzlybear Prickly Pear | yellow | PF | dry woodlands |
| Pediocactus simpsonii | Mountain Ball Cactus | pink yellow | FM | dry meadows |
| Family: Caltrop (Zygophyllaceae) | ||||
| Tribulus terrestris | Puncture Vine | yellow | P | sandy areas, roadsides |
| Family: Cattail (Typhaceae) | ||||
| Typha angustifolia | Narrowleaved Cattail | brown | PFM | ponds, marshes, ditches |
| Typha domingensis | Southern Cattail | brown | PF | ponds, marshes, ditches |
| Typha latifolia | Common Cattail | brown | PF | ponds, marshes, ditches |
| Family: Cleome (Cleomaceae) | ||||
| Peritoma lutea | Yellow Beeplant | yellow | FM | woodlands, openings |
| Peritoma multicaulis | Slender Spiderflower | pink | PF | alkaline wetlands |
| Peritoma serrulata | Rocky Mountain Beeplant | pink | PFM | roadsides, disturbed areas |
| Polanisia trachysperma | Clammyweed | white cream | PF | roadsides, disturbed areas |
| Family: Cypress (Cupressaceae) | ||||
| Juniperus communis | Common Juniper | shrub | FMS | dry forests, open slopes |
| Juniperus deppeana | Alligator Juniper | tree | FM | dry, rocky slopes |
| Juniperus monosperma | One-seed Juniper | tree | PF | dry areas |
| Juniperus osteosperma | Utah Juniper | shrub | PFM | dry, rocky slopes |
| Juniperus scopulorum | Rocky Mountain Juniper | shrub | FM | dry forests |
| Family: Dogbane (Apocynaceae) | ||||
| Apocynum androsaemifolium | Spreading Dogbane | pink | FMS | gravelly slopes, roadsides |
| Apocynum cannabinum | Indian Hemp | white | PF | ditches, roadsides |
| Asclepias asperula | Antelope Horns | green | PF | dry sandy areas |
| Asclepias engelmanniana | Engelmann's Milkweed | green | P | dry sandy areas |
| Asclepias involucrata | Dwarf Milkweed | white | PF | sandy washes and canyons |
| Asclepias latifolia | Broadleaf Milkweed | white | PF | grasslands, roadsides |
| Asclepias ruthiae | Ruth's Milkweed | pink | F | dry sandy areas |
| Asclepias pumila | Plains Milkweed | white | PF | slopes and meadows |
| Asclepias speciosa | Showy Milkweed | pink | PFM | disturbed soil, roadsides |
| Asclepias subverticillata | Poison Milkweed | white | PF | disturbed soil, roadsides |
| Asclepias tuberosa | Butterfly Weed | orange | PF | dry open areas, canyons |
| Vinca minor | Periwinkle | blue | PF | shady areas, woods |
| Family: Dogwood (Cornaceae) | ||||
| Cornus sericea | Red-Osier Dogwood | white shrub | FM | moist soil |
| Family: Duckweed (Lemnaceae) | ||||
| Lemna minor | Common Duckweed | green | PF | water |
| Family: Elderberry (Adoxaceae) | ||||
| Sambucus nigra canadensis | Black Elderberry | white shrub | M | forest openings |
| Sambucus racemosa | Red-berried Elder | white shrub | MSA | slopes |
| Viburnum opulus | Snowball Tree | white tree | PF | wood edges, stream banks |
| Family: Elm (Ulmaceae) | ||||
| Celtis reticulata | Netleaf Hackberry | green | PF | stream sides, canyons |
| Ulmus pumila | Siberian Elm | tree | PF | ditches, stream sides, roadsides |
| Family: Evening Primrose(Onagraceae) | ||||
| Calylophus hartwegii | Sundrops | yellow | PF | dry rocky slopes |
| Chamerion angustifolium | Fireweed | pink | MS | woods, roadsides |
| Chamerion latifolium | River Beauty | pink | A | moist soil |
| Epilobium anagallidifolium | Alpine Willowherb | pink | MSA | wet soil |
| Epilobium brachycarpum | Tall Annual Willowherb | pink | PFMS | dry, open disturbed areas |
| Epilobium ciliatum | Fringed Willowherb | pink | MSA | moist areas |
| Epilobium halleanum | Glandular Willowherb | pink | PFM | moist meadows |
| Epilobium hornemannii | Hornemann's Willowherb | pink | MS | meadows, stream sides |
| Epilobium lactiflorum | Milkflower Willowherb | pink white | MS | moist areas |
| Gayophytum diffusum parviflorum | Baby's Breath | pink | MS | gravel hillsides |
| Oenothera albicaulis | Prairie Evening Primrose | white | PF | dry areas, roadsides |
| Oenothera caespitosa | Tufted Evening Primrose | white | PFMS | dry slopes, disturbed areas |
| Oenothera coronopifolia | Crownleaf Evening Primrose | white | FM | dry slopes, disturbed areas |
| Oenothera curtiflora | Velvetweed | pink | PF | dry areas, roadsides |
| Oenothera dodgeniana | New Mexico Beeblossom | white | PF | dry area close to river |
| Oenothera elata | Tall Yellow Evening Primrose | yellow | PF | disturbed moist areas, roadsides |
| Oenothera flava | Yellow Evening Primrose | yellow | FM | dry areas, roadsides |
| Oenothera longissima | Longstem Evening Primrose | yellow | PF | moist areas, ditches |
| Oenothera pallida | Pale Evening Primrose | white | PF | dry areas, open woods |
| Oenothera suffrutescens | Scarlet Beeblossom | pink red | PFM | dry areas, roadsides |
| Oenothera villosa | Hairy Evening Primrose | yellow | PF | moist areas, meadows, forests |
| Family: False Hellebore(Melanthiaceae) | ||||
| Veratrum californicum | Corn Husk Lily | white | MSA | moist areas |
| Zigadenus elegans | Death Camus | white | FMSA | slopes, open woods |
| Zigadenus venenosum | Meadow Death Camus | white | FM | dry meadows, open woods |
| Family: Figwort (Scrophulariaceae) | ||||
| Scrophularia lanceolata | Bunny-in-the-grass | brown, red | FM | disturbed soil |
| Verbascum thapsus | Mullein | yellow | FM | woods, slopes |
| Family: Flax (Linaceae) | ||||
| Linum aristatum | Bristle Flax | yellow | PF | dry sandy areas |
| Linum australe | Southern Flax | yellow | PF | dry sandy areas |
| Linum lewisii | Blue Flax | blue | PFM | dry meadows |
| Linum puberulum | Plains Flax | yellow | PF | dry open areas |
| Family: Four O'Clock (Nyctaginaceae) | ||||
| Abronia fragrans | Snowball Sand Verbena | white | PF | dry, sandy areas |
| Allionia incarnata | Trailing Four O'Clock | pink | PF | gravelly, sandy disturbed areas |
| Mirabilis linearis | Narrowleaf Four O'Clock | pink | F | roadsides, dry slopes |
| Mirabilis multiflora | Showy Four O'Clock | pink purple | PFM | sandy areas, pinyon woods |
| Mirabilis oxybaphoides | Spreading Four O'Clock | pink | PF | waste places, open woods |
| Tripterocalyx micranthus | Small-Flower Sand Puffs | pink | PF | sandy soil |
| Family: Frog's Bit (Hydrocharitaceae) | ||||
| Elodea canadensis | Canadian Waterweed | green | PF | water |
| Family: Gentian (Gentianaceae) | ||||
| Frasera speciosa | Monument Plant | white green | FMS | meadows |
| Gentiana affinis | Pleated Gentian | blue purple | FM | moist meadows, open woods |
| Gentiana algida | Arctic Gentian | white | SA | moist meadows |
| Gentiana parryi | Parry Gentian | blue purple | MSA | moist meadows |
| Gentiana prostrata | Moss Gentian | blue purple | A | meadows |
| Gentianella amarella | Rose Gentian | pink | MSA | moist forest |
| Gentianopsis barbellata | Twisted Gentian | blue purple | SA | slopes and meadows |
| Gentianopsis thermalis | Fringed Gentian | blue | MSA | wet soil |
| Swertia perennis | Star Gentian | blue purple | MSA | wet soil |
| Zeltnera arizonica | Arizona Centaury | pink | PF | moist, shady areas |
| Family: Geranium (Geraniaceae) | ||||
| Erodium cicutarium | Filaree | pink | PFM | disturbed soil |
| Geranium caespitosum | James' Geranium | pink purple | FMS | dry slopes, meadows |
| Geranium pratense | Meadow Geranium | blue | FMS | open woods |
| Geranium richardsonii | Richardson's Geranium | white pink | FM | open woods |
| Geranium viscosissimum | Sticky Geranium | pink | FM | Dry slopes, open meadows |
| Family: Gooseberry (Grossulariaceae) | ||||
| Ribes aureum | Golden Currant | yellow shrub | PF | open woods |
| Ribes cereum | Wax Currant | pink shrub | FM | dry slopes |
| Ribes inerme | Wild Gooseberry | white shrub | FM | moist, shady areas |
| Ribes montigenum | Red Prickly Currant | pink shrub | S | rocky slopes |
| Ribes wolfii | Wolf's Currant | white shrub | FM | moist woods |
| Family: Gourd (Cucurbitaceae) | ||||
| Apodanthera undulata | Melon Loco | yellow | PF | dry sand and gravel |
| Cucurbita foetidissima | Buffalo Gourd | yellow | PF | dry, sandy soil |
| Family: Grape (Vitaceae) | ||||
| Parthenocissus vitacea (P. inserta) | Thicket Creeper | green vine | PF | rocky slopes, trees/fences |
| Vitis arizonica | Canyon Grape | green | PF | canyons, riverbanks |
| Family: Grass (Poaceae) | ||||
| Achnatherum hymenoides | Indian Ricegrass | white | PFM | dry areas |
| Aegilops cylindrica | Jointed Goatgrass | green | PF | grasslands, roadsides, pastures |
| Agropyron desertorum | Desert Wheatgrass | green | PFM | dry disturbed areas |
| Alopecurus aequalis | Short-Awned Foxtail | green | PFMS | wet areas, marshes, pond edges |
| Alopecurus arundinaceus | Creeping Meadow Foxtail | green | PFM | wet alkaline soil |
| Alopecurus pratensis | Meadow Foxtail | green | PFM | dry to moist meadows, riverbanks |
| Andropogon hallii | Sand Bluestem | green | PF | sandy soil |
| Aristida arizonica | Arizona Three-Awn | green | PF | dry, pinyon-juniper woodlands |
| Aristida purpurea var. longiseta | Red Three-Awn | red | PF | dry disturbed soil |
| Beckmannia syzigachne | American Slough Grass | green | FM | shallow marshes, pond edges |
| Blepharoneuron tricholepis | Pine Dropseed | lead | FMS | open areas, conifer forests |
| Bothriochloa barbinodis | Cane Bluestem | green | PF | roadsides, waste areas |
| Bothriochloa ischaemum | Yellow Bluestem | red | PF | roadsides, prairies |
| Bothriochloa laguroides | Silver Bluestem | green | PF | roadsides, waste areas |
| Bouteloua barbata | Sixweeks Grama | green | P | dry, sandy areas, roadsides |
| Bouteloua curtipendula | Side-oats Grama | purple | PFM | dry open areas |
| Bouteloua eriopoda | Black Grama | brown | PF | dry open areas |
| Bouteloua gracilis | Blue Grama | brown | PF | dry open areas |
| Bouteloua hirsuta | Hairy Grama | brown | PF | dry open areas |
| Bromus catharticus | Rescue Grass | green | PF | waste area, roadsides |
| Bromus frondosus | Weeping Brome | green | FM | rocky slopes, open woods |
| Bromus inermis | Smooth Brome | green | FMS | moist to dry open sites |
| Bromus secalinus | Rye Brome | green | PF | meadows, waste areas |
| Bromus tectorum | Downy Brome | purple | PFM | dry fields, waste areas |
| Buchloe dactyloides | Buffalo Grass | green | PF | dry fields, prairies, lawns |
| Calamagrostis canadensis | Bluejoint | green tan | PFMS | wet areas |
| Cenchrus longispinus | Sandbur | yellow | PF | sandy waste areas, disturbed soil |
| Chloris verticillata | Windmill Grass | red purple | PF | disturbed areas |
| Chloris virgata | Feather Fingergrass | green tan | PF | disturbed areas |
| Dactylis glomerata | Orchard Grass | green | PFMS | disturbed areas |
| Danthonia intermedia | Timber Oatgrass | tan | MSA | meadows, talus |
| Danthonia parryi | Parry's Oatgrass | green | FMS | dry to moist open slopes |
| Dasyochloa pulchella | Low Woollygrass | green white | F | dry rocky slopes |
| Distichlis spicata | Saltgrass | green tan | PF | saline soils |
| Echinochloa crus-galli | Barnyard Grass | purple | PF | disturbed areas |
| Echinochloa muricata v. microstachya | Rough Barnyard Grass | purple | PF | disturbed areas |
| Elymus canadensis | Canada Wild Rye | green | PF | dry disturbed areas |
| Elymus elongatus | Tall Wheatgrass | green | PFM | disturbed areas |
| Elymus hispidus | Intermediate Wheatgrass | green | FM | forests, dry, stony soils |
| Elymus lanceolatus | Thickspike Wheatgrass | green | PFM | dry to moist soils |
| Elymus longifolius | Squirreltail | green | PFMS | rocky areas, waste areas |
| Elymus repens | Quackgrass | green | PFM | waste areas, fields |
| Elymus scribneri | Spreading Wheatgrass | purple | SA | rocky slopes |
| Elymus smithii | Western Wheatgrass | green | PFM | disturbed areas |
| Elymus trachycaulus | Slender Wheatgrass | green | PFMSA | dry open areas |
| Eragrostis cilianensis | Stinking Lovegrass | green | PF | waste areas, sidewalks |
| Festuca arundinacea | Tall Fescue | green | PF | moist grasslands, riverbanks |
| Festuca brachyphylla s. Coloradensis | Colorado Fescue | purple | A | rocky slopes |
| Festuca thurberi | Thurber's Fescue | green | MSA | open forest, meadows |
| Glyceria grandis | American Manna Grass | green | PF | shallow water, ponds |
| Hesperostipa comata | Needle-and-Thread Grass | green | PF | open mesas, dry pastures |
| Hesperostipa neomexicana | New Mexico Feathergrass | green | PF | dry, sandy, rocky areas |
| Hordeum jubatum | Foxtail Barley | purple | PFMS | roadsides, meadows |
| Hordeum vulgare | Barley | green | PFM | disturbed areas, pastures |
| Koeleria macrantha | Junegrass | green | PFMS | dry open areas |
| Leymus cinereus | Basin Wild Rye | green | PF | streams, sagebrush, gravelly areas |
| Muhlenbergia asperifolia | Scratchgrass | purple | PF | dry open areas |
| Muhlenbergia montana | Mountain Muhly | green | PFMS | dry open areas |
| Muhlenbergia pungens | Sandhill Muhly | green | PF | sandy soils, desert shrub |
| Muhlenbergia thurberi | Thurber's Muhly | green | PF | moist soil near canyon cliffs |
| Muhlenbergia torreyi | Ring Muhly | purple | PF | dry open areas |
| Munroa squarrosa | False Buffalo Grass | green | PF | dry open disturbed soil |
| Panicum capillare | Witchgrass | green | PF | disturbed soil |
| Panicum virgatum | Switchgrass | green | PF | pastures, roadsides |
| Paspalum dilatatum | Dallisgrass | green | PF | moist areas |
| Phalaris arundinacea | Reed Canary Grass | purple | PFMS | open wet and moist areas |
| Phleum alpinum | Alpine Timothy | purple | SA | wet meadows, lake shores |
| Phleum pratense | Timothy | green | PFMS | moist disturbed soil |
| Pleuraphis jamesii | Galleta | purple, tan | PF | dry mesas, woodlands |
| Poa arctica | Arctic Bluegrass | purple | MSA | rocky slopes, tundra |
| Poa fendleriana | Muttongrass | green | M | moist slopes, woodlands |
| Poa nemoralis subsp. interior | Inland Bluegrass | green | PFM | open dry woods |
| Poa pratensis | Kentucky Bluegrass | green | PFMS | open disturbed areas |
| Polypogon monspeliensis | Annual Rabbitsfoot Grass | green | PF | streamsides, ditches |
| Puccinellia nuttalliana | Nuttall's Alkaligrass | green | PFM | moist/wet areas |
| Schizachyrium scoparium | Little Bluestem | green | PF | roadsides, prairies |
| Setaria pumila | Yellow Foxtail | green | PF | fields, disturbed soil |
| Setaria viridis | Green Bristlegrass | yellowish | PF | fields, disturbed soil |
| Sorghastrum nutans | Indiangrass | green tan | PF | open areas, flood plains |
| Sorghum bicolor | Grain Sorghum | green red | PF | open disturbed soil |
| Spartina gracilis | Alkali Cordgrass | green | PF | alkaline and saline wetlands |
| Sporobolus contractus | Spike Dropseed | green | PF | sandy, open areas, woodlands |
| Sporobolus cryptandrus | Sand Dropseed | purple red | FM | open areas, roadsides |
| Trisetum spicatum | Spike Trisetum | purple | MSA | gravelly slopes |
| Vulpia octoflora | Sixweek Fescue | green red | PF | open rocky ground |
| Family: Greasewood (Sarcobataceae) | ||||
| Sarcobatus vermiculatus | Greasewood | green | PF | dry saline or alkaline areas |
| Family: Green Algae (Pithophoraceae) | ||||
| Pithophora spp. | Filamentous Algae | green | PFM | ponds and lakes |
| Family: Heather (Ericaceae) | ||||
| Arctostaphylos uva-ursi | Kinnikinnick | pink shrub | FM | open woods |
| Moneses uniflora | Wood Nymph | white | MS | woods |
| Monotropa hypopitys | Pinesap | red yellow | FMS | conifer woods |
| Pterospora andromedea | Pinedrops | red | FM | conifer forests |
| Pyrola asarifolia | Bog Wintergreen | pink | MS | moist woods |
| Pyrola chlorantha | Green Pyrola | green white | MS | moist forests |
| Pyrola minor | Lesser Wintergreen | white pink | MS | boggy areas in forests |
| Pyrola secunda | One-sided Wintergreen | green | FMS | moist shady areas |
| Vaccinium cespitosum | Dwarf Blueberry | pink | SA | dry meadows |
| Vaccinium myrtillus | Mountain Blueberry | pink shrub | MSA | open forests |
| Family: Hemp (Cannabaceae) | ||||
| Humulus lupulus | Wild Hops | green | PF | open woods, gardens |
| Family: Honeysuckle (Caprifoliaceae) | ||||
| Linnaea borealis | Twinflower | pink | MS | moist conifer forests |
| Lonicera involucrata | Twinberry | yellow shrub | FM | moist |
| Lonicera tatarica | Tatarian Honeysuckle | pink shrub | PF | edges of woods |
| Symphoricarpos oreophilus | Snowberry | pink shrub | FMS | rocky slopes |
| Valeriana acutiloba | Sharpleaf Valerian | white pink | MS | shady meadows |
| Valeriana arizonica | Arizona Valerian | pink purple | FM | moist woods |
| Valeriana edulis | Tall Valerian | white | MSA | moist meadows |
| Valeriana occidentalis | Western Valerian | white | FMS | moist meadows |
| Family: Horsetail (Equisetaceae) | ||||
| Equisetum arvense | Common Horsetail | green | PFMS | wet places |
| Equisetum hyemale | Common Scouring Rush | green | PFM | moist areas |
| Equisetum laevigatum | Smooth Scouring Rush | green | FMS | moist areas |
| Equisetum x ferrissii | Ferriss' Horsetail | green | FMS | moist areas |
| Family: Hydrangea (Hydrangeaceae) | ||||
| Fendlera rupicola | Fendlerbush | white shrub | FM | dry rocky slopes |
| Jamesia americana | Cliffbush | white shrub | M | moist, sunny canyons |
| Philadelphus microphyllus | Mock Orange | white shrub | PF | rocky areas, canyons |
| Family: Iris (Iridaceae) | ||||
| Iris missouriensis | Rocky Mountain Iris | blue | FMS | moist meadows |
| Sisyrinchium demissum | Stiff Blue-eyed Grass | blue | FM | moist meadows |
| Sisyrinchium montanum | Blue-eyed Grass | blue | FMS | moist meadows |
| Sisyrinchium pallidum | Pale Blue-eyed Grass | blue | FM | wet meadows |
| Family: Jointfir (Ephedraceae) | ||||
| Ephedra torreyana v. torreyana | Torrey's Jointfir | green | PF | dry areas, canyons, hillsides |
| Ephedra viridis | Mormon Tea | green | PFM | rocky areas, canyons |
| Family: Lily (Liliaceae) | ||||
| Calochortus gunnisonii | Gunnison's Mariposa Lily | white | FMSA | meadows, slopes |
| Calochortus nuttallii | Nuttall's Mariposa Lily | white | PF | dry meadows, woodlands |
| Erythonium grandiflorum | Glacier Lily | yellow | SA | moist meadows |
| LLoydia serotina | Alp Lily | white | A | meadows, rock crevices |
| Streptopus amplexifolius | Twisted Stalk | white green | FMS | moist woods |
| Family: Lizard Tail (Saururaceae) | ||||
| Anemopsis californica | Yerba Mansa | white | P | wet soil |
| Family: Lopseed (Phrymaceae) | ||||
| Erythranthe geyeri | Roundleaf Monkeyflower | yellow | FM | wet soil |
| Erythranthe guttata | Yellow Monkeyflower | yellow | FM | wet soil |
| Family: Madder (Rubiaceae) | ||||
| Galium aparine | Sticky Willy | white | PFM | gravelly slopes, open woods |
| Galium boreale | Northern Bedstraw | white | FMS | dry meadows |
| Galium trifidum | Threepetal Bedstraw | white | FMS | wet meadows, shady forests |
| Houstonia rubra | Red Bluet | pink purple | PF | sandy areas, washes |
| Family: Maidenhair Fern (Pteridaceae) | ||||
| Cryptogramma acrostichoides | Rock Brake | green fern | MSA | rocky outcrops |
| Family: Mallow (Malvaceae) | ||||
| Anoda cristata | Spurred Anoda | pink purple | PF | disturbed soil |
| Hibiscus trionum | Venice Mallow | white | PF | disturbed soil, gardens, roadsides |
| Malva neglecta | Common Mallow | white | PF | disturbed soil |
| Sidalcea candida | White Checker Mallow | white | FMS | wet soil |
| Sidalcea neomexicana | Wild Hollyhock | pink | FM | moist meadows |
| Sphaeralcea coccinea | Scarlet Mallow | orange | PF | dry meadows |
| Sphaeralcea fendleri | Fendler's Globemallow | orange | PF | dry areas, roadsides |
| Sphaeralcea grossulariifolia | Gooseberryleaf Globemallow | orange | PF | dry meadows |
| Sphaeralcea hastulata | Spear Globemallow | orange | PF | dry areas, roadsides |
| Sphaeralcea incana | Gray Globemallow | orange | PF | dry meadows |
| Sphaeralcea parvifolia | Smallflower Globemallow | orange | PF | dry areas, roadsides |
| Family: Miner's Lettuce (Montiaceae) | ||||
| Claytonia lanceolata | Lance-leaf Spring Beauty | pink white | MS | moist meadows, slopes |
| Claytonia rosea | Western Spring Beauty | pink white | PFM | pine/oak woodlands |
| Claytonia megarhiza | Alpine Spring Beauty | pink white | A | scree, gravelly areas |
| Lewisia nevadensis | Nevada Bitterroot | white | MS | meadows |
| Lewisia pygmaea | Pygmy Bitterroot | pink | MSA | meadows |
| Family: Mint (Lamiaceae) | ||||
| Agastache urticifolia | Giant Hyssop | pink | FMS | slopes, woods |
| Ajuga reptans | Common Bugle | blue purple | PF | gardens |
| Dracocephalum parviflorum | Dragonhead | pink | PFM | disturbed soil |
| Glechoma hederacea | Creeping Charlie | lavender | PF | moist woods and lawns |
| Galeopsis bifida | Split-lip Hemp Nettle | pink | PF | cultivated, disturbed areas |
| Hedeoma drummondii | Drummond's False Pennyroyal | lavender | PF | dry, gravelly soil, roadsides |
| Lamium amplexicaule | Henbit | pink | PF | waste places, gardens |
| Lycopus americanus | Water Horehound | white | PF | wet areas |
| Marrubium vulgare | Horehound | white | PF | fields |
| Mentha arvensis | Wild Mint | lavender | PFM | moist areas, stream sides |
| Mentha spicata | Spearmint | lavender | PF | disturbed moist areas |
| Monarda fistulosa | Wild Bergamot | pink purple | PFM | sunny slopes, gullies |
| Monardella odoratissima | Coyote Mint | lavender | FMS | open rocky areas |
| Monardella pectinata | Pony Beebalm | white | PF | dry disturbed areas |
| Nepeta cataria | Catnip | white | PF | waste places, open woods |
| Poliomintha incana | Frosted Mint | lavender | PF | sand, arroyos |
| Prunella vulgaris | Self-heal | blue purple | FM | wet soil |
| Salvia reflexa | Rocky Mountain Sage | blue | PF | dry, disturbed areas |
| Salvia pratensis | Meadow Sage | blue purple | F | sandy, gravelly areas |
| Salvia subincisa | Sawtooth Sage | blue purple | F | sandy, dry areas |
| Scutellaria brittonii | Britton's Skullcap | blue | PFM | dry slopes, open woods |
| Stachys pilosa | Hedgenettle | lavender | PFM | moist areas |
| Teucrium laciniatum | Lacy Germander | white | PF | dry open areas |
| Family: Morning Glory(Convolvulaceae) | ||||
| Convolvulus arvensis | Bindweed | white | PFM | disturbed soil |
| Cuscuta indecora | Bigseed Alfalfa Dodder | white | PF | roadside |
| Cuscuta pentagona | Fiveangled Dodder | white | PF | roadside |
| Evolvulus nuttallianus | Silky Evolvulus | lavender | FM | dry sandy slopes |
| Ipomoea coccinea | Star-Glory | red | PF | roadsides, waste places |
| Ipomoea purpurea | Common Morning Glory | purple | PF | moist areas, disturbed soil |
| Family: Mustard (Brassicaceae) | ||||
| Alyssum simplex | Wild Alyssum | yellow | PF | dry slopes |
| Barbarea orthoceras | Wintercress | yellow | PFM | wet disturbed soil |
| Boechera drummondii | Drummond’s Rockcress | white pink | FMS | meadows |
| Boechera fendleri | Fendler's Rockcress | lavender | F | dry areas, openings |
| Boechera gracilenta | Selby's Rockcress | lavender | PF | pinyon-juniper, rocky, sandy soil |
| Boechera gunnisoniana | Gunnison Rockcress | lavender | F | sagebrush, openings |
| Boechera pallidifolia | Gunnison County Rockcress | lavender | PF | pinyon-juniper, rocky, sandy soil |
| Capsella bursa-pastoris | Shepherds Purse | white | FM | disturbed soil |
| Cardamine cordifolia | Brookcress | white | MS | wet soil |
| Chorispora tenella | Purple Mustard | blue purple | PF | disturbed soil |
| Descurainia californica | Sierra Tansymustard | yellow | FMS | open woodlands, roadsides |
| Descurainia incana | Mountain Tansymustard | yellow | MS | disturbed soil |
| Descurainia obtusa | Blunt Tansymustard | yellow | F | sandy areas, disturbed soil |
| Descurainia pinnata | Western Tansymustard | yellow | PFM | disturbed soil |
| Descurainia sophia | Herb Sophia | yellow | FM | disturbed soil |
| Dimorphocarpa wislizeni | Spectacle Pod | white | PF | dry sandy areas, roadsides |
| Diplotaxis tenuifolia | Wild Rocket | yellow | PF | disturbed soil |
| Draba aurea | Golden Draba | yellow | MSA | meadows, woods |
| Draba cana | Hoary Whitlow Grass | white | A | rocky places |
| Draba crassa | Thick Draba | yellow | A | rocky slopes |
| Draba crassifolia | Snowbed Whitlowgrass | yellow | SA | woodlands, tundra |
| Draba rectifructa | Mountain Draba | yellow | MS | open woods, gravelly areas |
| Draba spectabilis | Showy Draba | yellow | MSA | meadows, woodlands |
| Draba streptocarpa | Twisted-pod Draba | yellow | MSA | open woods, meadows |
| Eruca vesicaria ssp. sativa | Rocketsalad | white | PF | disturbed soil |
| Erysimum capitatum | Wallflower | yellow | PFMSA | meadows and slopes |
| Erysimum cheiranthoides | Wormseed Wallflower | yellow | PF | moist areas, waste areas |
| Erysimum inconspicuum | Shy Wallflower | yellow | PF | pinyon-juniper, waste areas |
| Hesperidanthus linearifolia | Pink Windmills | lavender | PF | dry rocky areas |
| Hesperis matronalis | Dames-Violet | blue purple | PFM | disturbed soil |
| Lepidium alyssoides | Mesa Pepperwort | white | PF | dry areas, washes, canyons |
| Lepidium campestre | Field Pepperweed | white | PF | disturbed soil |
| Lepidium densiflorum | Common Pepperweed | white | PFM | disturbed soil |
| Lepidium draba | Whitetop | white | PF | disturbed soil |
| Lepidium latifolium | Broadleaved Pepperweed | white | PF | disturbed wet areas, pastures |
| Lepidium montanum | Western Peppergrass | white | FM | disturbed soil |
| Lepidium ramosissimum | Manybranched Pepperweed | white | FM | sagebrush, disturbed soil |
| Lobularia maritima | Sweet Alyssum | white | PF | disturbed areas |
| Nasturtium officinale | Watercress | white | PFM | water, wet soil |
| Noccaea fendleri | Mountain Candytuft | white | FMSA | meadows |
| Physaria acutifolia | Double Bladderpod | yellow | PFM | dry, sandy slopes |
| Physaria fendleri | Fendler's Bladderpod | yellow | PF | sandy, gravelly areas, washes |
| Physaria floribunda | Point-tip Twinpod | yellow | FM | dry sandy hillsides |
| Physaria gordonii | Gordon's Bladderpod | yellow | PF | sandy, gravelly areas, washes |
| Physaria intermedia | Mid-Bladderpod | yellow | FM | sandy, gravelly areas, washes |
| Physaria ludoviciana | Foothill Bladderpod | yellow | FM | sandy, gravelly areas |
| Physaria montana | Mountain Bladderpod | yellow | FM | dry slopes |
| Physaria rectipes | Straight Bladderpod | yellow | PF | sandy, gravelly areas, washes |
| Physaria vitulifera | Round-tip Twinpod | yellow | PFM | dry, sandy slopes |
| Rorippa alpina | Alpine Yellowcress | yellow | MS | moist, rocky areas |
| Rorippa palustris | Bog Yellowcress | yellow | FS | moist areas, marshes |
| Sisymbrium altissimum | Jim Hill Mustard | yellow | PFM | disturbed soil |
| Sisymbrium linifolium | Flaxleaf Plainsmustard | yellow | F | dry disturbed soil |
| Smelowskia calycina | Alpine Smelowskia | white | A | scree |
| Stanleya pinnata | Prince's Plume | yellow | PF | dry areas, deserts |
| Streptanthus cordatus | Heartleaf Twistflower | yellow | FM | dry rocky slopes |
| Streptanthella longirostris | Little Twistflower | yellow | FM | dry areas, canyons |
| Thelypodiopsis divaricata | San Juan Tumblemustard | yellow | F | dry sandy areas |
| Thelypodiopsis purpusii | Purpus' Tumblemustard | white | PF | juniper openings, barren areas |
| Thelypodium integrifolium | Entireleaved Thelypody | white | PF | dry areas, canyons |
| Thelypodium wrightii | Wright's Thelypody | white | F | rocky hillsides, canyons |
| Thlaspi arvense | Pennycress | white | PFM | disturbed soil |
| Family: Nettle (Urticaceae) | ||||
| Urtica gracilis | Stinging Nettle | green brown | PFM | moist areas, streamsides |
| Family: Nightshade (Solanaceae) | ||||
| Chamaesaracha coronopus | Greenleaf Five Eyes | white green | PF | dry sandy soil |
| Datura wrightii | Sacred Datura | white | P | trailsides, river banks |
| Lycium pallidum | Pale Wolfberry | green shrub | PF | dry canyons, washes, slopes |
| Physalis hederifolia v. fendleri | Ivyleaf Groundcherry | yellow | PF | disturbed areas, roadsides |
| Physalis foetens v. neomexicana | New Mexico Groundcherry | yellow | PF | disturbed areas, roadsides |
| Physalis longifolia | Longleaf Groundcherry | yellow | PF | disturbed areas, roadsides |
| Quincula lobata | Plains Chinese Lantern | purple | PF | sandy soil, roadsides |
| Solanum elaeagnifolium | Silverleaf Nightshade | blue | FM | disturbed areas, trailsides |
| Solanum jamesii | Wild Potato | white | PFM | disturbed areas, roadsides |
| Solanum nigrum | Black Nightshade | white | PF | disturbed areas, roadsides |
| Solanum rostratum | Buffalo Bur | yellow | PF | disturbed areas, roadsides |
| Family: Oleaster (Elaeagnaceae) | ||||
| Elaegnus angustifolia | Russian Olive | tree | PF | dry areas, watercourses |
| Shepherdia argentea | Silver Buffaloberry | shrub | FM | moist areas, streamsides |
| Shepherdia canadensis | Canada Buffaloberry | shrub | FMS | open forests,rocky areas |
| Family: Olive (Oleaceae) | ||||
| Forestiera pubescens | New Mexico Olive | tree | F | washes, along streams |
| Fraxinus anomala | Single Leaf Ash | tree | F | rocky drainages |
| Family: Orchid (Orchidaceae) | ||||
| Calypso bulbosa | Fairy Slipper Orchid | pink | FMS | forest floors |
| Corallorhiza maculata | Spotted Coralroot | white | FMS | moist woods |
| Corallorhiza wisteriana | Spring Coralroot | white | FM | moist woods |
| Goodyera oblongifolia | Western Rattlesnake Plantain | white green | FMS | dark conifer forests |
| Listera cordata | Heartleaf Twayblade | white green | FMS | wet soil |
| Platanthera aquilonis | Northern Green Bog Orchid | white green | MS | wet soil |
| Platanthera dilatata | White Bog Orchid | white | MS | wet soil |
| Spiranthes magnicamporum | Great Plains Lady's Tresses | white | PF | wet areas, streamsides |
| Spiranthes romanzoffiana | Lady's Tresses | white | MS | wet soil |
| Family: Parsley (Apiaceae) | ||||
| Angelica ampla | Giant Angelica | white | FM | wet soil |
| Angelica grayi | Gray's Angelica | white green | SA | moist soil |
| Aletes sessiliflorus | Sessileflower Indian Parsley | yellow | PF | dry, sandy areas |
| Berula erecta | Cutleaf Waterparsnip | white | PF | streams, marshes |
| Carum carvi | Caraway | white | PFM | disturbed soil |
| Cicuta maculata | Water Hemlock | white | PFM | wet soil |
| Conioselinum scopulorum | Rocky Mtn Hemlock Parsley | white | FMSA | moist meadows |
| Cymopterus glomeratus | Fendler's Springparsley | yellow | PF | dry, sandy areas |
| Heracleum lanatum | Cow Parsnip | white | FM | wet soil |
| Ligusticum porteri | Lovage | white | MS | meadows, slopes |
| Lomatium dissectum | Indian Balsam | yellow | FM | dry meadows, slopes |
| Lomatium grayii | Gray's Biscuitroot | yellow | PF | dry meadows, slopes |
| Lomatium triternatum | Nineleaf Biscuitroot | yellow | F | sagebrush, dry areas |
| Oreoxis alpina | Alpine Parsley | yellow | A | meadows |
| Osmorhiza chilensis | Sweet Cicely | white green | MS | moist woods |
| Osmorhiza occidentalis | Western Sweet Cicely | white green | MS | moist woods |
| Oxypolis fendleri | Cowbane | white | MS | wet soil |
| Podistera eastwoodiae | Eastwood's Parsley | yellow | M | moist meadows |
| Pseudocymopterus montanus | Mountain Parsley | yellow | FMSA | moist meadows |
| Sium suave | Hemlock Waterparsnip | white | PFM | wetlands |
| Vesper bulbosus | Bulbous Spring Parsley | white purple | PF | pinyon-juniper woodlands |
| Vesper constancei | Constance’s Spring Parsley | white purple | PF | dry gravelly slopes |
| Vesper montanus | Mountain Spring Parsley | white purple | PF | dry meadows, slopes |
| Family: Pea (Fabaceae) | ||||
| Amorpha fruticosa | False Indigobush | purple | P | streambanks |
| Astragalus agrestis | Field Milkvetch | blue purple | PFM | moist meadows |
| Astragalus alpinus | Alpine Milkvetch | lavender | A | moist meadows |
| Astragalus amphioxys | Crescent Milkvetch | pink purple | PF | dry, sandy areas |
| Astragalus bisulcatus | Two-Grooved Milkvetch | white | PFM | dry, sandy areas |
| Astragalus bodinii | Bodin's Milkvetch | lavender | MS | moist areas |
| Astragalus calycosus | Torrey's Milkvetch | purple white | FM | open, rocky areas |
| Astragalus ceramicus v. ceramicus | Painted Milkvetch | white pink | PF | dry, sandy areas |
| Astragalus ceramicus v. filifolius | Painted Milkvetch | white pink | PF | dry, sandy areas |
| Astragalus cicer | Chickpea Milkvetch | white | PFM | meadows, roadsides |
| Astragalus cottamii | Cottam's Milkvetch | pink | F | dry rocky areas |
| Astragalus drummondii | Drummond's Milkvetch | white | PFM | dry meadows, slopes |
| Astragalus flexuosus v. flexuosus | Flexile Milkvetch | pink | FM | dry areas |
| Astragalus flexuosus v. greenei | Greene's Milkvetch | pink | FM | dry grassy areas |
| Astragalus laxmanni | Laxmann's Milkvetch | pink purple | F | dry areas, roadsides |
| Astragalus lentiginosus | Freckled Milkvetch | pink purple | F | dry areas, roadsides |
| Astragalus leptocarpus | Slimpod Milkvetch | purple white | PF | meadows, openings |
| Astragalus lonchocarpus | Rushy Milkvetch | white cream | PF | dry sandy areas |
| Astragalus miser | Timber Milkvetch | white | FM | open slopes |
| Astragalus missouriensis | Missouri Milkvetch | pink purple | F | dry openings |
| Astragalus mollissimus | Woolly Milkvetch | pink purple | PF | dry sandy areas, openings |
| Astragalus molybdenus | Leadville Milkvetch | blue purple | S | conifer forest floor |
| Astragalus multiflorus | Many-flowered Milkvetch | purple | FM | openings |
| Astragalus newberryi | Newberry's Milkvetch | lavender | F | dry sandy areas, openings |
| Astragalus nuttallianus v. austrinus | Small-flowered Milkvetch | blue purple | F | dry sandy areas, openings |
| Astragalus nuttallianus micranthiformis | Turkeypeas | purple white | PF | sandy openings |
| Astragalus piscator | Fisher Towers Milkvetch | pink purple | F | dry sandy areas |
| Astragalus praelongus v. ellisiae | Ellis' Stinking Milkvetch | white cream | PF | dry sandy areas |
| Astragalus praelongus v. praelongus | Stinking Milkvetch | white cream | PF | dry sandy areas |
| Astragalus rafaelensis | San Rafael Milkvetch | white | PF | dry areas, washes |
| Astragalus shortianus | Short's Milkvetch | pink purple | PF | dry slopes, roadsides |
| Astragalus tenellus | Looseflower Milkvetch | white | FM | meadows |
| Caragana arborescens | Siberian Peashrub | yellow | PFM | forest edges, open woods |
| Dalea candida oligophylla | White Prairie Clover | white | PF | dry sandy areas |
| Dalea jamesii | James' Prairie Clover | yellow | PF | dry sandy areas |
| Dalea lanata var. terminalis | Woolly Prairie Clover | purple | PF | sandy soils |
| Dalea leporina | Foxtail Prairie Clover | white | PF | roadsides, field edges |
| Dalea purpurea | Purple Prairie Clover | purple | PF | slopes and meadows |
| Glycyrrhiza lepidota | Wild Licorice | white | PF | dry disturbed areas |
| Hedysarum boreale | Utah Sweetvetch | pink purple | F | openings, canyons |
| Hedysarum occidentale | Western Sweetvetch | pink purple | M | woodland openings, meadows |
| Lathyrus eucosmus | Bush Vetchling | pink purple | PFM | gulches, openings |
| Lathyrus laetivirens | Aspen Pea | white pink | PFM | slopes, forest openings |
| Lathyrus leucanthus | White Pea Vine | white | FMS | meadows, slopes |
| Lathyrus pauciflorus | Few-flower Pea | pink purple | PF | grasslands, sagebrush |
| Lotus corniculatus | Bird's-foot Trefoil | yellow | PF | disturbed areas |
| Lotus wrightii | Wright's Deervetch | yellow | FM | dry pine, oak woods |
| Lupinus argenteus | Silvery Lupine | blue white | FMS | sunny meadows |
| Lupinus argenteus ssp. ingratus | Silvery Lupine | white | PF | dry open area, roadsides |
| Lupinus argenteus ssp. moabensis | Moab Lupine | blue | F | open areas |
| Lupinus bakeri bakeri | Baker's Lupine | blue purple | FM | meadows, sagebrush |
| Lupinus caespitosus | Dwarf Lupine | blue | MSA | moist meadows |
| Lupinus caudatus | Tailcup Lupine | blue white | FMS | meadows, woods |
| Lupinus parviflorus | Lodgepole Lupine | purple | FMS | meadows, aspen groves, slopes |
| Lupinus plattensis | Nebraska Lupine | blue | PF | meadows, roadsides |
| Lupinus polyphyllus v. prunophilus | Chokecherry Lupine | blue | FM | woodlands, open areas |
| Lupinus pusillus | Rusty Lupine | blue | F | dry sandy areas |
| Lupinus sericeus | Silky Lupine | blue | FM | rocky slopes, open woods |
| Medicago lupulina | Black Medic | yellow | FM | disturbed soil |
| Medicago sativa | Alfalfa | blue purple | PFM | disturbed soil |
| Melilotus alba | White Sweet Clover | white | PFM | disturbed soil |
| Melilotus officinalis | Yellow Sweet Clover | yellow | PFM | disturbed soil |
| Onobrychis viciifolia | Sainfoin | pink | FM | roadsides |
| Oxytropis deflexa | Pendant-pod Locoweed | lavender | SA | moist meadows |
| Oxytropis lambertii v. bigelovii | Lambert Locoweed | blue purple | PFMS | meadows slopes |
| Oxytropis lambertii v. lambertii | Lambert Locoweed | blue purple | PFMS | meadows slopes |
| Oxytropis deflexa-lambertii | Hybrid Locoweed | lavender | PFM | meadows, roadsides |
| Oxytropis sericea | Rocky Mountain Loco | white | PFM | open fields, meadows |
| Parryella filifolia | Common Dunebroom | yellow | PF | sandy, dry areas |
| Phaseolus angustissimus | Slimleaf Bean | pink | PF | dry hillsides |
| Psoralidium lanceolatum | Lemon Scurfpea | white | PF | dry sandy areas |
| Psoralidium tenuiflorum | Slimflower Scurfpea | purple | PF | dry open slopes, prairie |
| Robinia neomexicana | New Mexico Locust | pink shrub | PF | moist canyons, slopes |
| Robinia pseudoacacia | Black Locust | white shrub | P | roadsides, fencelines |
| Securigera varia | Crown Vetch | pink | PF | dry areas, roadsides |
| Sophora stenophylla | Fringeleaf Necklacepod | blue/purple | PF | sandy slopes |
| Sphaerophysa salsula | Swainsonpea | red orange | PF | disturbed areas, alkaline soil |
| Thermopsis montana | Golden Banner | yellow | FMS | meadows, woods |
| Thermopsis rhombifolia | Golden Pea | yellow | FM | Ponderosa Pine forests |
| Trifolium dasphyllum | Alpine Clover | pink | A | rocky slopes |
| Trifolium gymnocarpon | Hollyleaf Clover | white pink | FM | openings, roadsides |
| Trifolium hybridum | Alsike Clover | white | PFM | meadows, roadsides |
| Trifolium nanum | Dwarf Clover | pink white | SA | meadows, gravelly slopes |
| Trifolium parryi | Parry's Clover | pink | SA | moist meadows |
| Trifolium pratense | Red Clover | pink purple | PFM | moist meadows |
| Trifolium repens | White Clover | white | PFM | meadows, roadsides |
| Vicia americana ssp. americana | American Vetch | blue purple | FM | meadows, woodlands |
| Vicia americana ssp. minor | American Vetch | purple white | PF | grasslands, woodlands |
| Vicia villosa | Hairy Vetch | purple | PF | disturbed areas, roadsides |
| Family: Phlox (Polemoniaceae) | ||||
| Aliciella pinnatifida | Sticky Gilia | blue | F | rocky slopes |
| Collomia linearis | Collomia | pink | PFM | meadows |
| Gilia ophthalmoides | Eyed Gilia | white | F | gravelly, sandy areas, P-J |
| Giliastrum acerosum | Spiny Blue Bowls | blue | F | dry gravelly areas |
| Ipomopsis aggregata | Scarlet Gilia | red | FM | slopes, roadsides |
| Ipomopsis aggregata ssp. candida | White Fairy Trumpet | white | FM | sunny woods, trailsides |
| Ipomopsis longiflora | Flaxflowered Gilia | lavender | PF | dry open areas |
| Ipomopsis multiflora | Manyflowered Gilia | lavender | PF | dry open areas |
| Ipomopsis pumila | Dwarf Ipomopsis | lavender | F | sandy areas, openings |
| Ipomopsis tenuituba | Pink Fairy Trumpets | pink | MS | sunny slopes |
| Leptosiphon nuttallii | Nuttall's Linanthus | white | FM | rocky slopes |
| Microsteris gracilis | Slender Phlox | white blue | F | dry open areas, sagebrush |
| Phlox condensata | Alpine Phlox | white | A | gravelly slopes |
| Phlox hoodii | Carpet Phlox | white | FM | gravel meadows |
| Phlox longifolia | Longleaf Phlox | pink | PF | openings, woods |
| Phlox multiflora | Rocky Mountain Phlox | white blue | FM | gravel meadows |
| Polemonium pulcherrimum | Subalpine Jacob's Ladder | blue | SA | woods |
| Polemonium foliosissimum | Leafy Jacob's Ladder | blue | MS | meadows |
| Polemonium confertum | Rocky Mountain Sky Pilot | blue purple | A | scree slopes, talus |
| Polemonium viscosum | Sticky Sky Pilot | blue purple | A | tundra, high meadows |
| Family: Pine (Pinaceae) | ||||
| Abies bifolia | Subalpine Fir | tree | MSA | north-facing slopes |
| Abies concolor | White Fir | tree | FM | canyons, north-facing slopes |
| Picea engelmannii | Engelmann Spruce | tree | MS | dry, north-facing slopes |
| Picea pungens | Colorado Blue Spruce | tree | FMS | moist slopes |
| Pinus contorta | Lodgepole Pine | tree | FMS | dry slopes |
| Pinus edulis | Pinyon Pine | tree | PF | mesas, rocky slopes |
| Pinus flexilis | Limber Pine | tree | MS | rocky slopes, conifer forests |
| Pinus ponderosa | Ponderosa Pine | tree | FM | open slopes |
| Pseudotsuga menziesii | Douglas Fir | tree | FMS | moist shady canyons |
| Family: Pink (Caryophyllaceae) | ||||
| Arenaria lanuginosa saxosa | Spreading Sandwort | white | MS | open woods |
| Cerastium arvense | Mouse-ear Chickweed | white | PFMSA | dry meadows |
| Cerastium berringianum | Alpine Chickweed | white | A | meadows, talus |
| Eremogone (Arenaria) congesta | Ballhead Sandwort | white | FMSA | meadows |
| Eremogone (Arenaria) eastwoodiae | Eastwood's Sandwort | white | FMSA | dry meadows, slopes |
| Eremogone (Arenaria) fendleri | Fendler's Sandwort | white | FMSA | dry meadows, slopes |
| Minuartia (Arenaria) obtusiloba | Alpine Sandwort | white | A | rocky meadows |
| Minuartia (Arenaria) rubella | Boreal Sandwort | white | A | gravel slopes |
| Moehringia lateriflora | Bluntleaf Sandwort | white | MS | woods, meadows |
| Moehringia macrophylla | Largeleaf Sandwort | white | MS | moist woods |
| Paronychia pulvinata | Alpine Nailwort | green white | SA | rocky areas, scree |
| Saponaria officinalis | Bouncing Bet | white pink | PF | disturbed soil |
| Silene acaulis | Moss Campion | pink | A | scree |
| Silene alba | Bladder Campion | white | FM | disturbed soil |
| Silene menziesii | Menzie's Campion | white | FM | open woods |
| Spergularia rubra | Red Sandspurry | pink | MS | disturbed soil |
| Spergularia salina | Salt Sandspurry | white | PF | mud flats, alkaline and saline soil |
| Stellaria jamesiana | James Starwort | white | FM | meadows, slopes |
| Stellaria longipes | Longstalk Starwort | white | MSA | wet soil |
| Family: Plantain (Plantaginaceae) | ||||
| Besseya alpina | Alpine Kittentails | purple | A | tundra, rocky areas |
| Besseya plantaginea | Kittentails | white | MS | wooded slopes |
| Chionophila jamesii | James' Snowlover | white | A | wet tundra |
| Collinsia parviflora | Blue-eyed Mary | blue | PFM | shady places |
| Hippuris vulgaris | Mare's Tail | green | FM | ponds, stream sides |
| Linaria dalmatica | Tall Butter & Eggs | yellow | PF | disturbed areas |
| Linaria vulgaris | Butter & Eggs | yellow | PFM | disturbed areas |
| Penstemon alpinus | Alpine Sawsepal Penstemon | blue purple | FMS | gravelly slopes, roadsides |
| Penstemon angustifolius | Narrow-Leaved Penstemon | blue | FMS | sandy areas, vacant lots |
| Penstemon auriberbis | Colorado Penstemon | lavender | F | dry slopes, pinyon-juniper woods |
| Penstemon barbatus | Beardlip Penstemon | red | FM | open rocky soil |
| Penstemon brandegeei | Brandegee's Penstemon | blue purple | FM | gravelly slopes, roadsides |
| Penstemon caespitosus | Creeping Penstemon | blue purple | FM | dry rocky areas |
| Penstemon comarrhenus | Dusty Beardtongue | pink | PF | sagebrush, pinyon woods |
| Penstemon crandallii | Crandall's Beardtongue | blue purple | FM | dry rocky areas |
| Penstemon crandallii procumbens | Crandall's Beardtongue | blue purple | M | dry rocky areas |
| Penstemon eatonii | Firecracker Penstemon | red | FM | open rocky woodlands |
| Penstemon glaber | Sawsepal Penstemon | blue | FM | openings |
| Penstemon hallii | Hall's Penstemon | blue purple | A | tundra, rocky soil |
| Penstemon harbourii | Scree Penstemon | blue purple | SA | scree, talus |
| Penstemon jamesii | James' Beardtongue | lavender | PFM | canyons, pinyon-juniper woods |
| Penstemon lentus | Handsome Beardtongue | lavender | F | dry areas, openings, canyons |
| Penstemon linarioides coloradoensis | Toadflax Beardtongue | lavender | PFM | open areas, dry woodlands |
| Penstemon mensarum | Grand Mesa Penstemon | blue | MS | disturbed areas |
| Penstemon ophianthus | Coiled Anther Penstemon | lavender | PF | dry slopes, pinyon-juniper woods |
| Penstemon palmeri | Palmer's Penstemon | pink | PF | dry areas, roadsides |
| Penstemon procerus | Clustered Penstemon | blue | MSA | meadows, slopes |
| Penstemon rydbergii | Rydberg's Penstemon | blue purple | FMA | moist meadows |
| Penstemon saxosorum | Upland Penstemon | blue | M | dry, rocky areas |
| Penstemon secundiflorus | Sidebells Beardtongue | lavender | PFM | dry sandy areas |
| Penstemon strictus | Rocky Mountain Penstemon | blue purple | FMS | meadows, slopes |
| Penstemon teucrioides | Germander Beardtongue | blue purple | FM | gravelly, sagebrush |
| Penstemon unilateralis | Oneside Penstemon | blue purple | FM | shady slopes, roadsides |
| Penstemon utahensis | Utah Penstemon | red pink | PF | hot dry slopes, canyons |
| Penstemon virens | Front Range Penstemon | blue | FPM | gravelly areas, wooded slopes |
| Penstemon whippleanus | Dusky Penstemon | blue purple | SA | slopes, trails |
| Plantago eriopoda | Redwool Plantain | green white | FM | openings |
| Plantago lanceolata | English Plantain | green brown | PFM | roadsides, trails |
| Plantago major | Common Plantain | green | PFM | roadsides, trails |
| Plantago patagonica | Woolly Plantain | green white | F | sandy areas, canyons |
| Plantago tweedyi | Tweedy's Plantain | brown | MS | moist meadows |
| Veronica americana | American Speedwell | blue | PFMS | wet soil |
| Veronica anagallis-aquatica | Water Speedwell | blue | PF | water |
| Veronica serpyllifolia | Thyme-leaved Speedwell | blue | MS | wet soil |
| Veronica wormskjoldii | Alpine Speedwell | blue | SA | wet soil |
| Family: Pondweed (Potamogetonaceae) | ||||
| Stuckenia filiformis | Fineleaf Pondweed | green | PF | water |
| Family: Poppy (Papaveraceae) | ||||
| Argemone polyanthemos | Prickly Poppy | white | PF | roadsides, disturbed areas |
| Corydalis aurea ssp. aurea | Golden Smoke | yellow | PFM | disturbed soil |
| Corydalis aurea ssp. occidentalis | Golden Smoke | yellow | PF | disturbed soil |
| Corydalis caseana | Corydalis | pink | PFMS | moist meadows |
| Family: Primrose (Primulaceae) | ||||
| Androsace occidentalis | Western Rock Jasmine | white | PF | open, sandy meadows, woods |
| Androsace septentrionalis | Rock Jasmine | white | FMSA | woods, meadows |
| Dodecatheon pulchellum | Shooting Star | pink | FMSA | wet soil |
| Lysimachia nummularia | Creeping Jenny | yellow | FM | shallow water, bogs |
| Primula parryi | Parry's Primrose | pink | A | streambank |
| Family: Purslane (Portulacaceae) | ||||
| Portulaca oleracea | Common Purslane | yellow | P | disturbed soil |
| Family: Rose (Rosaceae) | ||||
| Amelanchier alnifolia var. alnifolia | Western Serviceberry | white tree | FM | moist forests |
| Amelanchier alnifolia var. pumila | Dwarf Serviceberry | white shrub | FM | rocky open slopes |
| Amelanchier utahensis | Utah Serviceberry | white shrub | PFM | dry slopes, woodlands |
| Cercocarpus montanus | Mountain Mahogany | red shrub | FM | dry areas, rocky hillsides |
| Crataegus erythropoda | Shiny-leaved Hawthorn | white shrub | PFM | moist areas |
| Crataegus rivularis | River Hawthorn | white shrub | FM | moist areas |
| Crataegus viridis | Green Hawthorn | white shrub | PFM | moist areas |
| Dryas octopetala | Mountain Dryad | white | A | tundra |
| Fallugia paradoxa | Apache Plumes | white | PFM | dry mesas and slopes |
| Fragaria vesca bracteata | Woodland Strawberry | white | FMS | meadows, openings |
| Fragaria virginiana | Wild Strawberry | white | FMS | meadows, openings |
| Geum aleppicum | Yellow Avens | yellow | FM | moist meadows |
| Geum macrophyllum | Large-leaf Avens | yellow | FM | moist meadows |
| Geum rossii | Alpine Avens | yellow | SA | meadows |
| Geum triflorum | Prairie Smoke | pink | PFMS | meadows |
| Holodiscus dumosus | Rock Spirea | white shrub | FM | steep sunny slopes |
| Ivesia gordonii | Gordon's Ivesia | yellow | A | rocky meadows |
| Malus spp. | Crab Apple | pink white | PF | open woods |
| Petrophyton caespitosum | Rock Rose | pink white | M | limestone crevices |
| Physocarpus monogynus | Ninebark | white shrub | FMS | rocky slopes, openings |
| Potentilla anserina | Silverweed | yellow | FM | meadows, slopes |
| Potentilla arguta | Tall Cinquefoil | white | M | meadows |
| Potentilla concinna | Elegant Cinquefoil | yellow | FMSA | openings, rocky slopes |
| Potentilla diversifolia | Varileaf Cinquefoil | yellow | SA | moist areas |
| Potentilla fissa | Leafy Cinquefoil | yellow | FMS | rocky areas, roadsides |
| Potentilla fruticosa | Shrubby Cinquefoil | yellow | FMSA | moist |
| Potentilla gracilis | Slender Cinquefoil | yellow | MS | meadows, openings |
| Potentilla hippiana | Woolly Cinquefoil | yellow | FMS | dry slopes |
| Potentilla norvegica | Norwegian Cinquefoil | yellow | FM | moist areas, disturbed soil |
| Potentilla paradoxa | Paradox Cinquefoil | yellow | PF | moist or wet areas |
| Potentilla pensylvanica | Prairie Cinquefoil | yellow | FMS | rocky areas |
| Potentilla pulcherrima | Beautiful Cinquefoil | yellow | MS | meadows, roadsides |
| Potentilla recta | Sulfur Cinquefoil | white cream | FM | disturbed soil |
| Potentilla rivalis | Brook Cinquefoil | yellow | FM | moist soil |
| Prunus americana | Wild Plum | white tree | PF | moist areas, ditches, canyons |
| Prunus armeniaca | Apricot | white tree | PF | roadsides, ditches |
| Prunus virginiana | Western Chokecherry | white shrub | FM | slopes |
| Purshia stansburyana | Stansbury's Cliffrose | yellow | PF | dry scrublands, woodlands |
| Purshia tridentata | Antelope Brush | yellow | FM | rocky slopes |
| Rosa arkansana | Arkansas Rose | white shrub | PF | slopes,ditches,fencelines |
| Rosa nutkana | Nootka Rose | pink shrub | MS | slopes, forests |
| Rosa woodsii | Woods' Rose | pink shrub | PFM | streamsides, roadsides |
| Rubus deliciosus | Boulder Raspberry | white shrub | PFM | open, rocky areas |
| Rubus idaeus | Wild Raspberry | white shrub | MS | talus, disturbed soil |
| Rubus parviflorus | Thimbleberry | white shrub | M | moist slopes |
| Sibbaldia procumbens | Sibbaldia | yellow | SA | meadows, slopes |
| Sorbus scopulina | Mountain Ash | white shrub | M | slopes |
| Family: Rue (Rutaceae) | ||||
| Ptelea trifoliata | Narrowleaf Hoptree | tree | PF | canyons, pine/juniper forests |
| Family: Rush (Juncaceae) | ||||
| Juncus alpinoarticulatus (J. alpinus) | Alpine Rush | brown | MS | wet sandy or gravelly areas |
| Juncus arcticus ssp littoralis | Mountain Rush | brown | PFMS | moist areas |
| Juncus arcticus var. mexicanus | Mexican Rush | brown | PFM | wet areas, riversides |
| Juncus articulatus | Jointleaf Rush | brown | FM | wet sand, moist areas |
| Juncus drummondii | Drummond's Rush | brown | SA | wet areas, stream sides |
| Juncus mertensianus | Mertens' Rush | brown | MSA | moist to wet areas |
| Juncus saximontanus | Rocky Mountain Rush | brown | PFM | moist areas |
| Juncus torreyi | Torrey's Rush | green | PF | wet areas, stream sides |
| Juncus triglumis var. albescens | Northern White Rush | white | SA | moist, rocky areas |
| Luzula parviflora | Smallflowered Woodrush | brown | FMSA | moist areas |
| Family: Sandalwood (Santalaceae) | ||||
| Arceuthobium vaginatum | Pineland Dwarf Mistletoe | orange | M | ponderosa pines |
| Comandra umbellata | Bastard Toadflax | white | PF | dry sandy slopes |
| Phoradendron juniperinum | Juniper Mistletoe | green | PF | juniper trees |
| Family: Saxifrage (Saxifragaceae) | ||||
| Heuchera parvifolia | Small-leaved Alumroot | yellow | FMS | rocky slopes |
| Lithophragma glabrum | Bulbous Woodland Star | white pink | FM | open woods |
| Lithophragma tenellum | Slender Woodland Star | white pink | FM | open woods |
| Mitella pentandra | Bishop's Cap | green | MS | moist woods |
| Mitella stauropetala | Small-flower Miterwort | white | MS | moist woods |
| Saxifraga bronchialis | Dotted Saxifrage | white | MSA | dry woods & slopes |
| Saxifraga odontoloma | Brook Saxifrage | white | MSA | wet soil |
| Saxifraga oregana | Bog Saxifrage | white | SA | moist areas |
| Saxifraga rhomboidea | Snowball Saxifrage | white | FMSA | meadows, slopes |
| Family: Sedge (Cyperaceae) | ||||
| Amphiscirpus nevadensis | Nevada Bulrush | brown | PF | alkaline and saline wetlands |
| Carex aquatilis | Water Sedge | brown | FM | moist areas |
| Carex douglasii | Douglas' Sedge | brown | PFM | seasonably moist areas |
| Carex ebenea | Ebony Sedge | brown | MSA | meadows, roadsides |
| Carex emoryi | Emory's Sedge | brown | PF | wet areas, stream banks |
| Carex hassei | Salt Sedge | brown | PF | moist meadows |
| Carex microptera | Smallwing Sedge | brown | FM | moist areas |
| Carex nebrascensis | Nebraska Sedge | brown | PFMS | wet meadows |
| Carex pachystachya | Chamisso Sedge | brown | PFM | moist areas |
| Carex pellita | Woolly Sedge | brown | PFMS | moist and wet areas |
| Carex phaeocephala | Dunhead Sedge | brown | FM | moist areas |
| Carex praticola | Meadow Sedge | brown | PFMS | moist to wet meadows |
| Carex utriculata | Beaked Sedge | brown | PFM | wet areas |
| Cyperus erythrorhizos | Red-root Flatsedge | yellow | PF | disturbed, moist areas |
| Cyperus esculentus | Yellow Nutsedge | yellow | PF | moist, sandy areas |
| Cyperus odoratus | Rusty Flatsedge | yellow | PF | disturbed, moist areas |
| Eleocharis acicularis | Needle Spikerush | brown | PFM | wet areas |
| Eleocharis palustris | Common Spikerush | brown | PFMS | moist areas |
| Schoenoplectus acutus | Hardstem Bulrush | brown | PF | ponds, wet areas |
| Schoenoplectus pungens | Three Square | brown | PF | shallow wet areas |
| Schoenoplectus tabernaemontani | Softstem Bulrush | brown | PF | muddy shores, shallow water |
| Family: Soapberry (Sapindaceae) | ||||
| Acer glabrum | Rocky Mountain Maple | tree | FM | moist woods |
| Acer negundo | Boxelder Maple | tree | PF | stream banks |
| Family: Spiderwort (Commelinaceae) | ||||
| Commelina erecta | Whitemouth Dayflower | blue | PF | rocky sandy areas |
| Tradescantia occidentalis | Western Spiderwort | purple pink | PF | rocky sandy areas |
| Family: Spurge (Euphorbiaceae) | ||||
| Chamaesyce chaetocalyx | Bristlecup Sandmat | white | PF | sandy, rocky areas |
| Chamaesyce fendleri | Fendler's Sandmat | white | PF | sandy, rocky areas |
| Chamaesyce serpyllifolia | Thymeleaf Sandmat | white | PF | gravel, disturbed areas |
| Croton texensis | Texas Croton | white | PF | canyons, roadsides |
| Euphorbia cyparissias | Cypress Spurge | yellow | PF | fields, roadsides |
| Euphorbia davidii | Wild Poinsettia | white | P | disturbed areas, roadsides |
| Euphorbia marginata | Snow on the Mountain | white | P | dry slopes |
| Euphorbia myrsinites | Myrtle Spurge | yellow | PFM | mesas, rocky slopes |
| Family: Staff Tree (Celastraceae) | ||||
| Parnassia fimbriata | Fringed Grass of Parnassus | white | MSA | wet soil |
| Parnassia palustris | Marsh Parnassia | white | MS | wet soil, stream sides |
| Paxistima myrsinites | Mountain Lover | red shrub | MS | moist forests |
| Family: Stickleaf (Loasaceae) | ||||
| Mentzelia albicaulis | Whitestem Blazingstar | yellow | PF | sandy soils |
| Mentzelia laciniata | Cutleaf Blazingstar | yellow | PF | sandy soils |
| Mentzelia multiflora | Adonis Blazingstar | light yellow | PF | dry sandy areas |
| Mentzelia nuda | Bractless Blazingstar | white | PF | dry meadows |
| Mentzelia rusbyi | Rusby's Blazingstar | white | FM | roadsides, open areas |
| Mentzelia conspicua | Chama Blazingstar | yellow | FM | volcanic areas |
| Family: Stonecrop (Crassulaceae) | ||||
| Sedum integrifolium | King's Crown | red | SA | wet soil, rocky areas |
| Sedum lanceolatum | Yellow Stonecrop | yellow | PFMSA | dry rocky soil |
| Sedum rhodanthum | Queen's Crown | pink | MSA | wet soil |
| Family: Sumac (Anacardiaceae) | ||||
| Rhus glabra | Smooth Sumac | shrub | F | sandy areas, roadsides, edges |
| Rhus trilobata | Skunkbush | shrub | PF | canyons, mesas |
| Toxicodendron radicans | Poison Ivy | white shrub | PF | moist areas |
| Family: Sunflower (Asteraceae) | ||||
| Achillea alpicola | Alpine Yarrow | white | SA | sunny meadows |
| Achillea lanulosa | Yarrow | white | FMSA | meadows and slopes |
| Acroptilon repens | Russian Knapweed | lavender | PFM | roadsides, ditches, pastures |
| Ageratina herbacea | Fragrant Snakeroot | white | PF | moist woods |
| Agoseris aurantiaca | Burnt Orange Dandelion | orange | FM | meadows, woods |
| Agoseris glauca | Tall False Dandelion | yellow | FMS | meadows and slopes |
| Agoseris parviflora | False Agoseris | yellow | FM | sandy soils |
| Almutaster pauciflorus | Alkali Marsh Aster | lavender | PF | moist alkaline areas, stream sides |
| Amauriopsis dissecta | Ragleaf Bahia | yellow | PFM | disturbed soil |
| Ambrosia acanthicarpa | Flatspine Bur Ragweed | yellow | PF | disturbed areas |
| Ambrosia artemisiifolia | Common Ragweed | yellow | PF | disturbed areas |
| Ambrosia psilostachya | Western Ragweed | yellow | P | disturbed areas |
| Ambrosia tomentosa | Skeletonleaf Bursage | yellow | P | disturbed areas |
| Anaphalis margaritacea | Pearly Everlasting | white | MS | roadsides |
| Antennaria alpina | Alpine Pussytoes | white | A | dry meadows, scree |
| Antennaria howellii | Howell's Pussytoes | white | PF | dry meadows, conifer forests |
| Antennaria marginata | White-Margin Pussytoes | white | FM | open woodlands |
| Antennaria microphylla | Littleleaf Pussytoes | white | FMS | moist open areas |
| Antennaria parvifolia | Small-leaf Pussytoes | white | FMS | dry meadows, slopes |
| Antennaria pulcherrima | Tall Pussytoes | white | FMS | moist meadows |
| Antennaria rosea | Rosy Pussytoes | pink | PFMSA | meadows |
| Aphanostephus ramosissimus | Plains Dozedaisy | white | PF | dry, sandy, gravelly areas |
| Arctium minus | Common Burdock | blue purple | PF | roadsides |
| Arida parviflora | Small-flower Tansyaster | lavender | PF | sandy, saline areas, river margins |
| Arnica chamissonis | Chamisso Arnica | yellow | PF | fields, openings |
| Arnica cordifolia | Heart-leaved Arnica | yellow | FMS | moist woods |
| Arnica latifolia | Broad-leaved Arnica | yellow | S | moist woods |
| Arnica mollis | Hairy Arnica | yellow | SA | moist areas |
| Arnica parryi | Rayless Arnica | yellow | FMS | moist meadows |
| Arnica rydbergii | Subalpine Arnica | yellow | SA | dry areas |
| Artemisia arbuscula | Low Sagebrush | yellow shrub | FMS | rocky soils, slopes |
| Artemisia bigelovii | Bigelow Sagebrush | yellow shrub | PF | sandy, rocky, pinyon-juniper |
| Artemisia borealis | Boreal Sagewort | green | A | rocky areas |
| Artemisia campestris ssp. caudata | Field Sagewort | green | PFM | dry areas, roadsides |
| Artemisia campestris ssp. pacifica | Pacific Sagewort | yellow | PFM | dry areas, roadsides |
| Artemisia cana | Silver Sage | yellow shrub | FM | open woods, meadows |
| Artemisia carruthii | Carruth's Wormwood | yellow | PF | dry areas, roadsides |
| Artemisia dracunculus | Wild Tarragon | green yellow | PFM | meadows, roadsides |
| Artemisia filifolia | Sand Sagebrush | yellow shrub | P | dry, sandy areas |
| Artemisia franserioides | Ragweed Sagebrush | yellow | M | woodlands |
| Artemisia frigida | Fringed Sage | yellow | PFMS | dry meadows, slopes |
| Artemisia laciniata subsp. Parryi | Parry's Wormwood | yellow | MSA | rocky soils, meadows |
| Artemisia ludoviciana | Prairie Sage | yellow | PFMS | dry meadows, slopes |
| Artemisia ludoviciana ssp. albula | White Sagebrush | yellow shrub | PF | sandy areas, canyons |
| Artemisia michauxiana | Michaux's Sagewort | green red | SA | trail sides, rocky areas |
| Artemisia nova | Black Sagebrush | yellow shrub | FM | dry slopes, mesas |
| Artemisia scopulurum | Rocky Mountain Sagewort | yellow | SA | tundra, trail sides |
| Artemisia tridentata | Sagebrush | yellow shrub | PFM | dry slopes |
| Balsamorhiza sagittata | Arrowleaf Balsamroot | yellow | FM | meadows, slopes |
| Berlandiera lyrata | Chocolate Flower | yellow | P | grassy slopes |
| Bidens frondosa | Devil's Beggarticks | yellow | PF | moist areas |
| Bidens tenuisecta | Slimlobe Beggarticks | yellow | FM | meadows |
| Bidens tripartita | Three-lobed Beggarticks | yellow | PF | moist areas |
| Brickellia brachyphylla | Plumed Brickellbush | yellow | PF | dry, rocky slopes |
| Brickellia californica | California Brickellbush | white | PF | canyons, rocky slopes |
| Brickellia eupatorioides v. chlorolepis | False Boneset | cream | PF | disturbed soil |
| Brickellia eupatorioides v. corymbulosa | False Boneset | cream | PF | disturbed soil |
| Brickellia grandiflora | Tasselflower | white cream | FM | dry, rocky slopes |
| Brickellia microphylla | Littleleaf Brickellbush | white cream | PF | dry canyons, washes |
| Carduus nutans | Musk Thistle | pink purple | PFM | disturbed soil |
| Centaurea cyanus | Cornflower | blue | PF | disturbed areas |
| Centaurea macrocephala | Bighead Knapweed | yellow | PF | meadows, grassy areas |
| Centaurea maculosa | Spotted Knapweed | lavender | PF | disturbed soil |
| Chaenactis alpina | Alpine Dusty Maiden | white | A | talus,disturbed soil |
| Chaenactis douglasii | Dusty Maiden | white pink | FMS | dry meadows, slopes |
| Chaetopappa ericoides | Rose Heath | white | FM | dry open areas |
| Chrysothamnus depressus | Long-flower Rabbitbrush | yellow shrub | F | sagebrush, open rocky slopes |
| Chrysothamnus greenei | Greene's Rabbitbrush | yellow shrub | PF | sandy open areas, washes |
| Chrysothamnus stylosus | Pillar Rabbitbrush | yellow shrub | PF | sandy open areas, canyons |
| Chrysothamnus vaseyi | Vasey's Rabbitbrush | yellow shrub | PF | dry meadows, open woods |
| Chrysothamnus viscidiflorus | Green Rabbitbrush | yellow shrub | FMS | dry slopes |
| Cichorium intybus | Chicory | blue | PF | roadsides, waste places |
| Cirsium arizonicum var. bipinnatum | Arizona Thistle | pink purple | FM | rocky areas, woodlands |
| Cirsium arvense | Canada Thistle | blue purple | PFM | disturbed soil |
| Cirsium centaureae | American Thistle | white | MS | forests, meadows |
| Cirsium coloradense | Colorado Thistle | white pink | MS | moist areas |
| Cirsium eatonii | Eaton's Thistle | lavender | MS | meadows, open slopes |
| Cirsium neomexicanum | New Mexico Thistle | pink purple | PF | dry areas, roadsides |
| Cirsium parryii | Parry's Thistle | yellow | M | moist meadows and woods |
| Cirsium scariosum | Meadow Thistle | white pink | MSA | meadows |
| Cirsium scopulorum | Mountain Thistle | white | SA | rocky slopes, trail-sides |
| Cirsium undulatum v. tracyi | Wavyleaf Thistle | lavender | FM | dry openings, sagebrush |
| Cirsium vulgare | Bull Thistle | pink purple | PF | disturbed areas, roadsides |
| Conyza canadensis | Horseweed | white | PF | disturbed areas, roadsides |
| Cosmos parviflorus | Cosmos | pink | PF | disturbed areas |
| Crepis intermedia Gray | Limestone Hawksbeard | yellow | FM | meadows, slopes |
| Crepis occidentalis | Western Hawksbeard | yellow | PFM | meadows and slopes |
| Crepis runcinata subsp. barberi | Barber's Hawksbeard | yellow | PF | alkaline meadows |
| Crepis runcinata subsp. glauca | Smooth Hawksbeard | yellow | PF | wet or dry alkaline meadows |
| Dieteria asteroides v. asteroides | Fall Tansyaster | blue purple | PF | dry areas, roadsides |
| Dieteria bigelovii | Bigelow's Tansyaster | blue purple | FMS | roadsides |
| Dieteria canescens | Hoary Tansyaster | blue purple | PFM | disturbed areas |
| Dyssodia papposa | Dogweed | yellow | PF | disturbed areas |
| Ericameria discoidea | Whitestem Goldenbush | yellow | A | talus |
| Ericameria nauseosa | Rubber Rabbitbrush | yellow shrub | FMS | dry sagebrush slopes |
| Ericameria parryi | Mountain Rabbitbrush | yellow shrub | FMS | dry slopes |
| Erigeron bellidiastrum | Western Daisy Fleabane | white | PF | dry sandy areas |
| Erigeron caespitosus | Tufted Fleabane | blue white | PFM | rocky, sandy hills, roadsides |
| Erigeron colo-mexicanus | Fleabane Daisy | white | PF | dry sandy areas |
| Erigeron compositus | Cut-leafed Daisy | white | MSA | rocky, dry slopes |
| Erigeron compositus v. discoideus | Gold Buttons | yellow | MSA | rocky, dry slopes |
| Erigeron concinnus | Navajo Fleabane | white | PF | dry sandy areas |
| Erigeron coulteri | Coulter Daisy | white | FMS | moist areas |
| Erigeron divergens | Spreading Daisy | lavender | PF | sandy, rocky soil |
| Erigeron eatonii | Eaton's Fleabane | white | FM | meadows |
| Erigeron elatior | Pink-head Daisy | pink | PFMS | meadows |
| Erigeron eximius | Sprucefir Fleabane | lavender | M | conifer forests |
| Erigeron flagellaris | Whiplash Daisy | white | FM | meadows |
| Erigeron formosissimus | Beautiful Fleabane | lavender | FMS | meadows |
| Erigeron glabellus v. pubescens | Streamside Fleabane | lavender | PFM | gravelly soil, moist meadows |
| Erigeron glacialis | Subalpine Daisy | lavender | S | meadows |
| Erigeron leiomerus | Rockslide Daisy | lavender | A | scree |
| Erigeron lonchophyllus | Shortray Fleabane | white | MS | moist rocky areas |
| Erigeron melanocephalus | Black-headed Daisy | white | A | scree |
| Erigeron pinnatisectus | Pinnate-leaved Daisy | lavender | A | scree, rocky slopes |
| Erigeron philadelphicus | Philadelphia Fleabane | white pink | PFM | fields, lawns, roadsides |
| Erigeron pulcherrimus | Basin Fleabane | white blue | F | dry sandy areas |
| Erigeron grandiflorus | Large-Flower Fleabane | lavender | A | meadows, rocky soil |
| Erigeron speciosus | Showy Daisy | lavender | FM | moist meadows |
| Erigeron subtrinervis | Three-nerved Fleabane | lavender | FMS | meadows |
| Erigeron ursinus | Bear River Fleabane | lavender | MS | meadows, forest openings |
| Erigeron utahensis | Utah Daisy | blue white | PF | dry rocky areas, canyons |
| Erigeron vetensis | Early Bluetop Fleabane | blue white | FMS | dry meadows, roadsides |
| Eucephalus engelmannii | Engelman Aster | white | MS | open woods |
| Euthamia occidentalis | Western Goldentop | yellow | PF | moist areas |
| Gaillardia aristata | Great Blanket Flower | yellow red | PFM | dry meadows, roadsides |
| Gaillardia pinnatifida | Pinnate-leaf Blanket Flower | yellow red | PFM | dry openings and slopes |
| Gaillardia pulchella | Firewheel | yellow red | PFM | dry openings and slopes |
| Grindelia fastigiata | Pointed Gumweed | yellow | PF | sandy areas, washes |
| Grindelia inornata | Colorado Gumweed | yellow | PF | dry open slopes, fields |
| Grindelia nuda var. aphanactis | Curlytop Gumweed | yellow | PF | dry open areas, pinyon-juniper |
| Grindelia squarrosa | Curlycup Gumweed | yellow | PF | roadsides, disturbed areas |
| Gutierrezia sarothrae | Broom Snakeweed | yellow | PF | sunny, dry slopes |
| Helianthella quinquenervis | Little Sunflower | yellow | MS | moist meadows |
| Helianthella uniflora | One-flowered Little Sunflower | yellow | PFMS | clearings in woods, trailsides |
| Helianthus annuus | Common Sunflower | yellow | PF | disturbed soil |
| Helianthus maximiliani | Maximiliani's Sunflower | yellow | PF | wet areas, ditches |
| Helianthus microcephalus | Small Woodland Sunflower | yellow | PF | open woodlands, roadsides |
| Helianthus pauciflorus | Stiff Sunflower | yellow | PF | disturbed soil, roadsides |
| Helianthus petiolaris | Prairie Sunflower | yellow | PF | disturbed soil |
| Heliomeris multiflora | Sunspots | yellow | FM | rocky roadsides |
| Herrickia glauca var. glauca | Gray Aster | lavender | PF | moist areas |
| Heterotheca fulcrata | Goldaster | yellow | MS | dry sunny slopes |
| Heterotheca pumila | Dwarf Golden Aster | yellow | SA | rocky slopes |
| Heterotheca villosa | Hairy Golden Aster | yellow | MS | meadows and slopes |
| Heterotheca villosa var. nana | Hairy Golden Aster | yellow | FM | dry sand and gravel |
| Hieracium albiflorum | White Hawkweed | white | FMS | moist woods, slopes |
| Hieracium gracilis | Slender Hawkweed | yellow | MSA | meadows and slopes |
| Hymenopappus filifolious cinereus | Fineleaf Hymenopappus | yellow | PF | dry sandy areas |
| Hymenopappus filifolious lugens | Cream Tips | yellow | PF | dry areas |
| Hymenopappus filifolious polycephalus | Manyhead Hymenopappus | yellow | PF | dry areas |
| Hymenopappus newberryi | Wild Cosmos | white | FM | open sunny hillsides |
| Hymenopappus tenuifolius | Chalk Hill Hymenopappus | white | PF | sandy, gravelly, open areas |
| Hymenoxys grandiflora | Old-Man-of-the- Mountain | yellow | A | meadows |
| Hymenoxys hoopesii | Orange Sneezeweed | orange | FMS | meadows |
| Hymenoxys richardsonii v. floribunda | Colorado Rubberweed | yellow | PF | roadsides, dry, open areas |
| Hymenoxys richardsonii v. richardsonii | Pingue Rubberweed | yellow | FM | dry rocky meadows and slopes |
| Isocoma pluriflora | Southern Goldenbush | yellow | PF | floodplains, washes |
| Iva xanthifolia | Marsh Elder | green | PF | moist areas, roadsides |
| Lactuca graminifolia | Grassleaf Lettuce | blue | FM | moist meadows |
| Lactuca serriola | Prickly Lettuce | yellow | PF | dry areas, roadsides |
| Leucanthemum vulgare | Ox-eye Daisy | white | FM | roadsides |
| Liatris punctata | Gayfeather | purple | PF | roadsides, disturbed soil |
| Liatris punctata var. mexicana | Mexican Gayfeather | purple | PFM | gravelly slopes, canyons |
| Lorandersonia linifolia | Spearleaf Rabbitbrush | yellow | PF | moist, alkaline areas, riverbanks |
| Lygodesmia juncea | Skeleton Plant | pink | P | dry areas, roadsides |
| Machaeranthera tanacetifolia | Tanseyleaf Tansyaster | purple | PF | sandy, rocky, disturbed areas |
| Madia glomerata | Mountain Tarweed | yellow | FM | dry roadsides |
| Malacothrix fendleri | Fendler's Desert Dandelion | yellow | PF | dry sandy rocky areas |
| Malacothrix sonchoides | Sowthistle Desert Dandelion | yellow | PF | dry sandy rocky areas |
| Matricaria discoidea | Pineapple Weed | yellow green | PFM | disturbed soil |
| Matricaria perforata | Chamomile Daisy | white | PFM | disturbed soil |
| Melampodium leucanthum | Plains Blackfoot | white | P | sandy, gravelly areas |
| Microseris nutans | Nodding Microseris | yellow | FMS | meadows and openings |
| Mulgedium pulchellum | Blue Lettuce | blue | PFM | moist meadows |
| Nothocalais cuspidata | Wavyleaf Dandelion | yellow | PF | dry meadows, slopes |
| Oönopsis foliosa var. foliosa | Leafy False Goldenweed | yellow | PF | rocky, disturbed soil |
| Oreochrysum parryi | Parry's Goldenrod | yellow | S | conifer forests |
| Packera cana | Woolly Groundsel | yellow | FMSA | dry areas |
| Packera crocata | Saffron Ragwort | orange | MSA | moist meadows |
| Packera dimorphophylla | Two-leaved Groundsel | yellow | SA | moist meadows |
| Packera fendleri | Fendler's Ragwort | yellow | FMSA | dry rocky areas |
| Packera mancosana | Mancos Shale Packera | yellow | FMS | dry meadows, rocky areas |
| Packera multilobata | Lobeleaf Groundsel | yellow | F | dry areas |
| Packera neomexicana | New Mexico Groundsel | yellow | FMS | dry meadows |
| Packera paupercula | Balsam Ragwort | yellow | PF | wet areas |
| Packera plattensis | Prairie Ragwort | yellow | PF | dry areas |
| Packera pseudaurea | Falsegold Groundsel | yellow | FMS | moist meadows |
| Packera streptanthifolia | Rocky Mountain Groundsel | yellow | FM | rocky areas |
| Packera tridenticulata | Three-toothed Ragwort | yellow | FM | meadows |
| Packera werneriifolia | Hoary Groundsel | yellow | A | rocky areas |
| Palafoxia sphacelata | Othake | pink | PF | sandy areas |
| Palafoxia sphacelata | Othake | pink | PF | sandy areas |
| Pectis papposa | Manybristle Chinchweed | yellow | PF | sandy, dry areas |
| Pericome caudata | Taperleaf | yellow | PF | canyons, rocky slopes |
| Petasites frigidus var. sagittatus | Arrowleaf Sweet Coltsfoot | white | PFM | wet to moist open areas |
| Picradeniopsis oppositifolia | Northern Bahia | yellow | PF | roadsides, dry hillsides |
| Pseudognaphalium canescens | Wright's Cudweed | yellow | PF | canyons, ponderosa forests |
| Pseudognaphalium macounii | Macoun's Cudweed | yellow | PF | dry slopes |
| Psilostrophe sparsiflora | Paper Flower | yellow | PF | dry woodlands |
| Psilostrophe tagetina | Woolly Paper Flower | yellow | PF | dry woodlands |
| Pyrrocoma clementis | Tranquil Goldenweed | yellow | SA | disturbed moist areas |
| Pyrrocoma croceus | Golden Curleyhead | orange | MS | meadows |
| Pyrrocoma lanceolata | Lanceleaf Goldenweed | yellow | PF | moist, alkaline meadows |
| Pyrrocoma uniflora | Plantain Goldenweed | yellow | FMSA | dry or wet alkaline meadows |
| Ratibida columnifera | Prairie Coneflower | yellow | PF | roadsides, slopes |
| Rudbeckia hirta | Black-eyed Susan | yellow | PFM | dry meadows, slopes |
| Rudbeckia laciniata | Goldenglow | yellow | PFM | wet soil |
| Rudbeckia occidentalis | Cone Flower | brown | M | moist meadows |
| Sanvitalia abertii | Abert's Dome | yellow | PF | dry areas |
| Scorzonera laciniata | False Salsify | yellow | PF | disturbed soil |
| Senecio amplectens | Showy Alpine Ragwort | yellow | SA | scree, openings |
| Senecio amplectens v. holmii | Holm's Ragwort | yellow | SA | scree, meadows |
| Senecio atratus | Tall Blacktip Ragwort | yellow | MS | rocky places |
| Senecio bigelovii | Nodding Ragwort | yellow | MS | moist meadows |
| Senecio crassulus | Thick-leaf Ragwort | yellow | SA | moist areas |
| Senecio eremophilus | King's Ragwort | yellow | FMS | meadows and slopes |
| Senecio flaccidus | Threadleaf Ragwort | yellow | PF | dry sandy areas |
| Senecio fremontii | Dwarf Mountain Butterweed | yellow | SA | talus, rocky slopes |
| Senecio integerrimus | Lambstongue Ragwort | yellow | FMS | dry meadows, slopes |
| Senecio pudicus | Bashful Ragwort | yellow | FM | meadows, slopes |
| Senecio serra | Tall Ragwort | yellow | MS | moist woods |
| Senecio soldanella | Colorado Ragwort | yellow | A | rocky areas, talus |
| Senecio spartioides | Broom-like Ragwort | yellow | PFM | roadsides, disturbed soil |
| Senecio spartioides v. multicapitatus | Broom Senecio | yellow | PF | roadsides, disturbed soil |
| Senecio triangularis | Arrowleaf Ragwort | yellow | S | moist areas |
| Senecio vulgaris | Common Groundsel | yellow | PF | gardens, disturbed areas |
| Senecio wootonii | Wooton's Ragwort | yellow | M | dry slopes |
| Solidago altissima | Tall Goldenrod | yellow | PFM | roadsides, meadows |
| Solidago glutinosa | Sticky Goldenrod | yellow | MSA | dry rocky slopes |
| Solidago lepida | Rocky Mountains Goldenrod | yellow | PFM | roadsides, meadows |
| Solidago missouriensis | Missouri Goldenrod | yellow | PFM | roadsides, meadows |
| Solidago multiradiata | Mountain Goldenrod | yellow | MSA | meadows, slopes |
| Solidago nana | Rough Goldenrod | yellow | PFM | dry areas, roadsides |
| Solidago nemoralis v. longipetiolata | Gray Goldenrod | yellow | F | dry areas, hillsides |
| Solidago speciosa s. pallida | Pale Showy Goldenrod | yellow | S | dry areas, hillsides |
| Solidago velutina s. sparsiflora | Three-nerve Goldenrod | yellow | S | moist areas, meadows, openings |
| Solidago wrightii | Wright's Goldenrod | yellow | PF | dry areas, hillsides |
| Sonchus arvensis glabrescens | Field Sowthistle | yellow | PF | disturbed soil |
| Sonchus asper | Prickly Sowthistle | yellow | PF | disturbed soil, stream sides |
| Sonchus oleraceus | Common Sowthistle | yellow | PF | disturbed soil |
| Stenotus armerioides | Thrift Mock Goldenweed | yellow | F | open gravelly areas |
| Stephanomeria pauciflora | Brownplume Wirelettuce | pink | F | dry areas, canyons |
| Symphyotrichum ascendens | Western Aster | lavender | PFMSA | meadows |
| Symphyotrichum ciliatum | Rayless Alkali Aster | white pink | PF | moist, brackish soil |
| Symphyotrichum ericoides | White Heath Aster | white | PF | dry sandy areas |
| Symphyotrichum falcatum | Cluster Aster | lavender | FM | meadows, roadsides |
| Symphyotrichum foliaceum v. apricum | Sunloving Aster | pink purple | SA | open areas |
| Symphyotrichum foliaceum v. canbyi | Leafy Aster | blue white | FMS | meadows |
| Symphyotrichum foliaceum v. parryi | Leafy Aster | blue white | FMS | meadows |
| Symphyotrichum laeve | Smooth Aster | lavender | FMS | meadows, slopes |
| Symphyotrichum lanceolatum | Panicled Aster | lavender | PFM | moist soil, meadows |
| Symphyotrichum oblongifolium | Aromatic Aster | purple | PF | dry open areas |
| Symphyotrichum porteri | Porter's Aster | white | FM | open fields, roadsides |
| Symphyotrichum spathulatum | Western Mountain Aster | purple | MS | moist conifer forests |
| Tanacetum vulgare | Common Tansy | yellow | PFM | disturbed soil |
| Taraxacum ceratophorum | Horned Dandelion | yellow | PFMSA | moist sandy, gravelly areas |
| Taraxacum officinale | Common Dandelion | yellow | PFMSA | disturbed soil |
| Tetradymia canescens | Horsebrush | yellow | FM | dry mesas, meadows |
| Tetraneuris acaulis var. acaulis | Stemless Four-nerve Daisy | yellow | PFM | slopes, roadsides |
| Tetraneuris acaulis var. caespitosa | Goldflower | yellow | MSA | forest edges, fell-fields |
| Tetraneuris argentea | Perky Sue | yellow | PF | dry hillsides and mesas |
| Tetraneuris ivesiana | Ives' Four-nerved Daisy | yellow | PF | open sandy areas, roadsides |
| Tetraneuris scaposa | Stemmy Four-nerve Daisy | yellow | PF | dry hillsides, mesas, roadsides |
| Thelesperma filifolium | Stiff Greenthread | yellow | PF | dry open areas |
| Thelesperma megapotamicum | Hopi Tea Greenthread | yellow | PF | dry sandy areas |
| Thelesperma subnudum | Navajo Tea | yellow | PFM | gravely areas, pinyon-juniper |
| Thymophylla aurea | Manyawn Pricklyleaf | yellow | PF | dry meadows, roadsides |
| Tonestus lyallii | Lyall's Goldenweed | yellow | A | tundra |
| Tonestus pygmaeus | Dwarf Goldenweed | yellow | A | tundra |
| Townsendia annua | Annual Townsend Daisy | white | PF | dry, sandy areas |
| Townsendia eximia | Townsend's Daisy | lavender | FM | dry meadows, slopes |
| Townsendia exscapa | Stemless Townsend Daisy | white | PF | dry meadows, slopes |
| Townsendia fendleri | Fendler's Townsend Daisy | white | PF | sandy, rocky areas, washes |
| Townsendia grandiflora | Showy Easter Daisy | white | PF | dry meadows, slopes |
| Townsendia hookerii | Hooker's Townsend Daisy | white | PF | dry meadows, slopes |
| Townsendia incana | Hoary Townsend Daisy | white | PF | sandy, rocky, pinyon-juniper |
| Townsendia leptotes | Common Townsend Daisy | white | PFMSA | sandy, rocky, pinyon-juniper |
| Tragopogon dubius | Yellow Salsify | yellow | PFM | disturbed soil |
| Tragopogon pratensis | Meadow Salsify | yellow | PFM | roadsides, fields |
| Verbesina encelioides | Crownbeard | yellow | PF | roadsides, fields |
| Wyethia amplexicaulis | Mule's Ears | yellow | MS | meadows and slopes |
| Xanthisma gracile | Slender Goldenweed | yellow | FM | dry areas, roadsides |
| Xanthisma spinulosum v. pardoxum | Spiny Goldenweed | yellow | FM | dry areas, roadsides |
| Xanthisma spinulosum v. spinulosum | Spiny Goldenweed | yellow | PF | dry areas, roadsides |
| Xanthium strumarium | Cocklebur | green | P | moist disturbed areas |
| Xylorhiza venusta | Charming Woody Aster | white | PF | dry open rocky areas |
| Zinnia grandiflora | Rocky Mountain Zinnia | yellow | P | dry rocky areas |
| Family: Tamarisk (Tamaricaceae) | ||||
| Tamarix pentandra | Tamarisk | pink tree | PF | sandbars, riverbanks |
| Family: Verbena (Verbenaceae) | ||||
| Glandularia bipinnatifida | Wild Verbena | blue purple | PF | meadows |
| Verbena bracteata | Bracted Vervain | lavender | PF | roadsides, disturbed soil |
| Verbena macdougalii | MacDougal Verbena | purple | FM | roadsides, dry areas |
| Verbena wrightii | Desert Verbena | lavender | FM | dry rocky slopes |
| Family: Violet (Violaceae) | ||||
| Viola adunca var. adunca | Blue Violet | blue | FMS | meadows, woods |
| Viola adunca var. bellidifolia | Mountain Blue Violet | blue | A | dry meadows |
| Viola canadensis | Canada Violet | white | FM | moist woods |
| Viola macloskeyi | Small White Violet | white | S | wet areas |
| Viola nuttallii | Yellow Violet | yellow | FMS | slopes |
| Family: Waterlily (Nymphaeaceae) | ||||
| Nuphar polysepala | Yellow Pond Lily | yellow | MS | water |
| Family: Willow (Salicaceae) | ||||
| Populus acuminata | Lanceleaf Cottonwood | tree | F | washes, river banks |
| Populus angustifolia | Narrow-leaved Cottonwood | tree | FM | moist areas, river banks |
| Populus deltoides ssp. wislizeni | Rio Grande Cottonwood | tree | P | river banks |
| Populus tremuloides | Aspen | tree | FMS | moist slopes |
| Salix amygdaloides | Peachleaf Willow | shrub | PFM | wet areas |
| Salix arctica | Arctic Willow | shrub | SA | meadows, rocky slopes |
| Salix babylonica | Weeping Willow | tree | PF | moist areas |
| Salix bebbiana | Bebb's Willow | shrub | PFM | moist forests, stream sides |
| Salix brachycarpa | Barrenground Willow | shrub | SA | moist areas |
| Salix drummondiana | Drummond's Willow | shrub | FMS | moist areas |
| Salix exigua | Coyote Willow | shrub | PF | moist areas |
| Salix gooddingii | Goodding's Black Willow | tree | PF | river banks, moist areas |
| Salix laevigata | Red Willow | shrub tree | PF | stream-sides, ditches |
| Salix lasiandra var. caudata | Greenleaf Willow | shrub | PFM | moist areas |
| Salix lutea | Yellow Willow | shrub | FM | moist areas, stream sides |
| Salix monticola | Mountain Willow | shrub | FM | moist areas, stream sides |
| Salix nivalis | Snow Willow | shrub | SA | meadows, rocky slopes |
| Salix planifolia | Plane-leaved Willow | shrub | FMSA | moist areas |
| Salix scouleriana | Scouler's Willow | shrub tree | FMS | moist areas |
| Family: Wood Fern (Dryopteridaceae) | ||||
| Athyrium alpestre | Rocky Mountain Cliff Fern | green fern | S | rock crevices |
| Family: Wood Sorrel (Oxalidaceae) | ||||
| Oxalis stricta | Yellow Wood Sorrel | yellow | PFM | Gardens, moist woods |