| SPECIES | COMMON NAME | FAMILY | COLOR |
| Abies concolor | White Fir | Pinaceae (Pine) | Yellow |
| Abronia fragrans | Fragrant Sand Verbena, Snowball Sand Verbena | Nyctaginaceae (Four O'clock) | White |
| Acer glabrum var. glabrum | Rocky Mountain Maple | Sapindaceae (Soapberry) | Green |
| Aconitum columbianum | Monk's Hood | Ranunculaceae (Buttercup) | Purple |
| Achillea millefolium | Yarrow, Common Yarrow | Asteraceae (Sunflower) | White |
| Actaea rubra | Red Baneberry, Western Baneberry | Ranunculaceae (Buttercup) | White |
| Agastache urticifolia | Horsemint Giant Hyssop, Nettleleaf Giant Hyssop | Lamiaceae (Mint) | White |
| Agoseris aurantiaca var. aurantiaca | Orange Agoseris | Asteraceae (Sunflower) | Orange |
| Agoseris aurantiaca var. purpurea | Orange Agoseris | Asteraceae (Sunflower) | Orange |
| Agoseris glauca | Pale Agoseris, False Dandelion | Asteraceae (Sunflower) | Yellow |
| Aliciella haydenii ssp. haydenii (Gilia haydenii) |
San Juan Gilia | Polemoniaceae (Phlox) | Pink |
| Allium acuminatum | Taper-tip Onion | Amaryllidaceae (Amaryllis) | Pink |
| Allium brandegeei | Brandegee's Onion | Amaryllidaceae (Amaryllis) | White |
| Allium cernuum | Nodding Onion | Amaryllidaceae (Amaryllis) | Pink |
| Allium geyeri var. geyeri | Geyer's Onion | Amaryllidaceae (Amaryllis) | Pink |
| Alyssum alyssoides | Pale Madwort, Pale Alyssum | Brassicaceae (Mustard) | Yellow |
| Alyssum simplex | Wild Alyssum | Brassicaceae (Mustard) | Yellow |
| Amelanchier alnifolia | Serviceberry | Rosaceae (Rose) | White |
| Anaphalis margaritacea | Pearly Everlasting | Asteraceae (Sunflower) | White |
| Androsace septentrionalis | Northern Fairy-Candelabra, Pygmyflower Rockjasmine | Primulaceae (Primrose) | White |
| Anemone multifida | Cutleaf Anemone, Red Windflower | Ranunculaceae (Buttercup) | Pink |
| Anemone narcissiflora var. zyphyra | Narcissus Anemone | Ranunculaceae (Buttercup) | White |
| Angelica grayi | Gray's Angelica | Apiaceae (Parsley) | White |
| Antennaria anaphaloides | Pearly Pussytoes, Tall Pussytoes | Asteraceae (Sunflower) | White |
| Antennaria media | Rocky Mountain Pussytoes | Asteraceae (Sunflower) | White |
| Antennaria parvifolia | Small-leaf Pussytoes | Asteraceae (Sunflower) | White |
| Antennaria rosea | Pink Pussytoes, Rosy Pussytoes | Asteraceae (Sunflower) | Pink |
| Antennaria umbrinella | Umber Pussytoes | Asteraceae (Sunflower) | White |
| Anticlea elegans (Zigadenus elegans) |
Death Camas, Mountain Death Camas | Melanthiaceae (False Hellebore) | White |
| Apocynum androsaemifolium | Spreading Dogbane | Apocynaceae (Dogbane) | White |
| Apocynum cannabinum | Indian Hemp | Apocynaceae (Dogbane) | White |
| Aquilegia coerulea | Colorado Columbine | Ranunculaceae (Buttercup) | Blue |
| Aquilegia elegantula | Shooting Star Columbine, Red Columbine | Ranunculaceae (Buttercup) | Red |
| Arctostaphylos uva-ursi | Kinnikinnick, Bearberry | Ericacea (Heath) | White |
| Argemone polyanthemos | Crested Prickly-poppy | Papaveraceae (Poppy) | White |
| Arnica cordifolia | Heartleaf Arnica | Asteraceae (Sunflower) | Yellow |
| Arnica latifolia | Broadleaf Arnica | Asteraceae (Sunflower) | Yellow |
| Arnica mollis | Hairy Arnica, Subalpine Arnica | Asteraceae (Sunflower) | Yellow |
| Arnica parryi | Rayless Arnica, Parry's Arnica, Nodding Arnica | Asteraceae (Sunflower) | Yellow |
| Arnica rydbergii | Subalpine Arnica | Asteraceae (Sunflower) | Yellow |
| Artemisia borealis (Artemisia campestris ssp. borealis var. borealis, Artemisia campestris var. purshii) |
Boreal Sage, Boreal Sagewort, Northern Wormwood | Asteraceae (Sunflower) | Yellow |
| Artemisia campestris ssp. pacifica | Field Sagewort | Asteraceae (Sunflower) | Yellow |
| Artemisia dracunculus | Tarragon, Dragon Sagewort | Asteraceae (Sunflower) | Yellow |
| Artemisia frigida | Prairie Sagewort, Fringed Sage | Asteraceae (Sunflower) | Yellow |
| Artemisia ludoviciana ssp. ludoviciana | Louisiana Sagewort, White Sagebrush | Asteraceae (Sunflower) | Yellow |
| Artemisia norvegica ssp. saxatilis (Artemisia arctica) |
Boreal Sagebrush | Asteraceae (Sunflower) | Yellow |
| Artemisia scopulorum | Alpine Sagebrush, Alpine Sagewort, Alpine Sage | Asteraceae (Sunflower) | Yellow |
| Artemisia tridentata | Big Sagebrush | Asteraceae (Sunflower) | Yellow |
| Asclepias asperula ssp. asperula | Antelope Horns, Spider Milkweed | Apocynaceae (Dogbane) | White |
| Asclepias engelmanniana | Engelmann's Milkweed | Apocynaceae (Dogbane) | White |
| Asclepias pumila | Plains Milkweed, Low Milkweed | Apocynaceae (Dogbane) | White |
| Asclepias speciosa | Showy Milkweed | Apocynaceae (Dogbane) | Pink |
| Asclepias subvcerticillata | Horsetail Milkweed, Whorled Milkweed | Apocynaceae (Dogbane) | White |
| Astragalus alpinus var. alpinus | Alpine Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus agrestis | Field Milkvetch, Purple Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus cicer | Chickpea Milkvetch, Cicer Milkvetch | Fabaceae (Pea) | White |
| Astragalus convallarius | Lesser Rushy Milkvetch, Timber Milkvetch | Fabaceae (Pea) | White |
| Astragalus flexuosus var. flexuosus | Flexile Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus gracilis | Slender Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus hallii | Hall's Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus kentrophyta | Spiny Milkvetch | Fabaceae (Pea) | White |
| Astragalus laxmannii var. robustior (Astragalus adsurgens var. robustior) |
Prairie Milkvetch | Fabaceae (Pea) | Purple |
| Astragalus pattersonii | Patterson Milkvetch | Fabaceae (Pea) | White |
| Astragalus scopulorum | Rocky Mountain Milkvetch | Fabaceae (Pea) | White |
| Astragalus shortianus | Short's Milkvetch | Fabaceae (Pea) | Purple |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Balsamorhiza sagittata | Arrowhead Balsamroot | Asteraceae (Sunflower) | Yellow |
| Berberis repens (Mahonia repens) |
Creeping Barberry | Berberidaceae (Barberry) | Yellow |
| Berteroa incana | Hoary False Alyssum | Brassicaceae (Mustard) | White |
| Bistorta bistortoides (Polygonum bistortoides) |
American Bistort | Polygonaceae (Buckwheat) | White |
| Bistorta vivipara (Polygonum viviparum) |
Alpine Bistort | Polygonaceae (Buckwheat) | White |
| Boechera grahamii (Arabis drummondii var. brachycarpa) |
Graham's Rockcress | Brassicaceae (Mustard) | White |
| Boechera retrofracta (Arabis holboellii var. retrofracta) |
Reflexed Rockcress, Second Rockcress | Brassicaceae (Mustard) | White |
| Boechera stricta (Arabis drummondii) |
Drummond's Rockcress | Brassicaceae (Mustard) | White |
| Brickellia grandiflora | Mountain Brickelbush, Tasselflower | Asteraceae (Sunflower) | White |
| Bromus carinatus (Bromus marginatus) |
Mountain Brome | Poaceae (Grass) | |
| Bromus inermis | Smooth Brome | Poaceae (Grass) |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Calamagrostis canadensis | Bluestem Reedgrass | Poaceae (Grass) | |
| Calochortus gunnisonii | Mariposa Lily | Liliaceae (Lily) | White |
| Calochortus nuttallii | Sego Lily | Liliaceae (Lily) | White |
| Caltha leptosepala | Marsh-marigold, White Marsh-marigold | Ranunculaceae (Buttercup) | White |
| Calypso bulbosa var. americana | Fairy Slipper, Calypso Orchid | Orchidaceae (Orchid) | Purple |
| Campanula parryi | Parry's Bellflower, Parry's Harebell | Campanulaceae (Bellflower) | Purple |
| Campanula rotundifolia | Harebell, Bluebell, Bellflower | Campanulaceae (Bellflower) | Blue |
| Campanula uniflora | Arctic Bellflower, Arctic Harebell | Campanulaceae (Bellflower) | Blue |
| Cardamine cordifolia | Heartleaf Bittercress | Brassicaceae (Mustard) | White |
| Carduus nutans | Musk Thistle | Asteraceae (Sunflower) | Pink |
| Carex ebenea | Black Sedge | Cyperaceae (Sedge) | |
| Carex scopulorum | Rocky Mountain Sedge | Cyperaceae (Sedge) | |
| Castilleja flava | Yellow Indian Paintbrush | Orobanchaceae (Broomrape) | Yellow |
| Castilleja integra | Wholeleaf Indian Paintbrush, Squawfeather | Orobanchaceae (Broomrape) | Red |
| Castilleja linariifolia | Wyoming Paintbrush | Orobanchaceae (Broomrape) | Red |
| Castilleja miniata | Scarlet Paintbrush, Red Indian Paintbrush | Orobanchaceae (Broomrape) | Red |
| Castilleja occidentalis | Western Indian Paintbrush | Orobanchaceae (Broomrape) | Yellow |
| Castilleja rhexiifolia | Rosy Paintbrush, Splitleaf Paintbrush | Orobanchaceae (Broomrape) | Pink |
| Castilleja sulphurea | Yellow Indian Paintbrush | Orobanchaceae (Broomrape) | Yellow |
| Ceanothus fendleri | Fendler's Ceanothus, Fendler's Buckthorn | Rhamnaceae (Buckthorn) | White |
| Ceanothus velutinus | Snowbrush, Snowbrush Ceanothus | Rhamnaceae (Buckthorn) | White |
| Centaurea montana | Mountain Cornflower, Mountain Bluet | Asteraceae (Sunflower) | Blue |
| Cerastium arvense ssp. strictum | Alpine Chickweed, Field Mouse-ear Chickweed | Caryophyllaceae (Pink) | White |
| Cerastium beeringianum | Bering Chickweed, Bering Sea Mouse-ear Chickweed | Caryophyllaceae (Pink) | White |
| Cercocarpus montanus | Birchleaf Mountain Mahogany, Alderleaf Mountain Mahogany | Rosaceae (Rose) | Pink |
| Chaenactis douglasii var. alpina | Alpine Dustymaiden, Alpine Pincushion | Asteraceae (Sunflower) | White |
| Chaetopappa ericoides | Rose Heath, Small-flower Aster | Asteraceae (Sunflower) | White |
| Chamaesaracha coniodes | Gray Five-eyes, Gray Nighshade | Solanaceae (Nightshade) | White |
| Chamerion angustifolium ssp. angustifolium | Fireweed | Onagraceae (Evening Primrose) | Pink |
| Chamerion latifolium | Alpine Fireweed, Dwarf Fireweed | Onagraceae (Evening Primrose) | Pink |
| Chenopodium atrovirens | Pinyon Goosefoot | Amaranthaceae (Amaranth) | Green |
| Chenopodium berlandieri | Pitseed Goosefoot | Amaranthaceae (Amaranth) | Green |
| Chenopodium capitatum | Strawberry Blite, Blite Goosefoot | Amaranthaceae (Amaranth) | Red |
| Chenopodium leptophyllum | Narrowleaf Goosefoot | Amaranthaceae (Amaranth) | Green |
| Chionophila jamesii | Rocky Mountain Snowlover | Plantaginaceae (Plantain) | White |
| Chrysothamnus greenei | Greene's Rabbitbrush | Asteraceae (Sunflower) | Yellow |
| Chrysothamnus viscidiflorus | Douglas' Rabbitbrush, Green Rabbitbrush, Yellow Rabbitbrush | Asteraceae (Sunflower) | Yellow |
| Cichorium intybus | Common Chicory | Asteraceae (Sunflower) | Blue |
| Cirsium arizonicum var. bipinnatum | Cainville Thistle | Asteraceae (Sunflower) | Pink |
| Cirsium arvense | Canada Thistle | Asteraceae (Sunflower) | Pink |
| Cirsium canescens | Prairie Thistle | Asteraceae (Sunflower) | White |
| Cirsium coloradense (Cirsium scariosum var. coloradense) |
Colorado Thistle | Asteraceae (Sunflower) | White |
| Cirsium funkiae | Funk's Thistle | Asteraceae (Sunflower) | Yellow |
| Cirsium griseum var. griseum (Cirsium clavatum var. americanum, Cirsium griseum) |
Gray Thistle, Fringed Thistle | Asteraceae (Sunflower) | White |
| Cirsium griseum var. osterhoutii (Cirsium clavatum var. osterhoutii, Cirsium osterhoutii) |
Osterhout Thistle | Asteraceae (Sunflower) | White |
| Cirsium parryi | Parry's Thistle | Asteraceae (Sunflower) | Yellow |
| Cirsium perplexans | Rocky Mountain Thistle, Adobe Hills Thistle | Asteraceae (Sunflower) | Pink |
| Cirsium scopulorum (Cirsium eatonii var. eriocephalum) |
Mountain-top Thistle, Alpine Thistle | Asteraceae (Sunflower) | Pink |
| Cladonia chlorophaea | Cup Lichen | Cladoniaceae (Cladonia) | |
| Claytonia megarhiza | Alpine Springbeauty | Montiaceae (Miner’s Lettuce) | White |
| Clematis hirsutissima | Hairy Clematis, Sugarbowl | Ranunculaceae (Buttercup) | Purple |
| Clematis ligusticifolia | Virgin's Bower, Western White Clematis | Ranunculaceae (Buttercup) | White |
| Collinsia parviflora | Blue-eyed Mary | Plantaginaceae (Plantain) | Blue |
| Collomia linearis | Tiny Trumpet, Narrow-leaf Collomia | Polemoniaceae (Phlox) | Pink |
| Comandra umbellata ssp. pallida | Pale Bastard Toadflax | Santalaceae (Sandalwood) | White |
| Conioselinum scopulorum | Rocky Mountain Hemlock-parsley | Apiaceae (Parsley) | White |
| Convolvulus arvensis | Field Bindweed | Convolvulaceae (Morning-glory) | White |
| Corallorhiza maculata var. maculata | Spotted Coralroot, Summer Coralroot | Orchidaceae (Orchid) | White |
| Corallorhiza trifida | Yellow Coralroot, Early Coralroot | Orchidaceae (Orchid) | White |
| Cornus canadensis | Bunchberry Dogwood | Cornaceae (Dogwood) | White |
| Corydalis aurea | Golden Corydalis, Scrambled Eggs | Papaveracea (Poppy) | Yellow |
| Corydalis caseana ssp. brandegeei | Fitweed, Sierra Fumewort | Papaveracea (Poppy) | White |
| Crepis atribarba | Slender Hawk's-beard | Asteraceae (Sunflower) | Yellow |
| Croton texensis | Texas Croton | Euphorbiaceae (Spurge) | White |
| Cryptantha ambigua | Basin Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cryptantha cinerea var. jamesii | James' Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cryptantha fendleri | Sandune Cryptantha, Fendler's Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cryptantha minima | Little Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cryptantha sericea (Oreocarya sericea) |
Silky Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cryptantha thyrsiflora (Oreocarya thyrsiflora) |
Calcareous Cryptantha | Boraginaceae (Forget-me-not) | White |
| Cylindropuntia imbricata var. imbricata (Opuntia imbricata var. imbricata, Opuntia imbricata var. arborescens) |
Tree Cholla, Cane Cholla | Cactaceae (Cactus) | Pink |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Dalea candida | Prairie White Clover, White Dalea | Fabaceae (Pea) | White |
| Dalea enneandra | Nine-anther Prairie Clover, Nine-anther Dalea | Fabaceae (Pea) | White |
| Dalea jamesii | James' Prairie Clover, James' Dalea | Fabaceae (Pea) | Yellow |
| Dalea purpurea | Purple Prairie Clover, Violet Dalea | Fabaceae (Pea) | Purple |
| Dalea tenuifolia | Slimleaf Prairie Clover, Bigtop Dalea | Fabaceae (Pea) | Purple |
| Dasiphora fruticosa (Potentilla fruticosa) |
Shrubby Cinquefoil | Rosaceae (Rose) | Yellow |
| Datura wrightii | Sacred Thorn Apple, Jimson-weed | Solanaceae (Nightshade) | White |
| Daucus carota | Queen Anne's Lace | Apiaceae (Parsley) | White |
| Delphinium barbeyi | Subalpine Larkspur | Ranunculaceae (Buttercup) | Purple |
| Delphinium carolinianum ssp. virescens | Plains Larkspur, White Larkspur, Carolina Larkspur | Ranunculaceae (Buttercup) | White |
| Delphinium geyeri | Geyer's Larkspur | Ranunculaceae (Buttercup) | Purple |
| Delphinium nuttallianum | Nuttall's Larkspur, Two-lobed Larkspur | Ranunculaceae (Buttercup) | Purple |
| Deschampsia cespitosa | Tufted Hairgrass | Poaceae (Grass) | |
| Descurainia incana | Mountain Tansy-mustard | Brassicaceae (Mustard) | Yellow |
| Descurainia incisa ssp. incisa | Mountain Tansy-mustard | Brassicaceae (Mustard) | Yellow |
| Dianthus armeria | Deptford Pink | Caryophyllaceae (Pink) | Pink |
| Dieteria bigelovii (Machaeranthera bigelovii) |
Bigelow's Tansy-aster, Tall Tansy-aster | Asteraceae (Sunflower) | Purple |
| Dieteria canescens (Machaeranthera canescens) |
Hoary Tansy-aster | Asteraceae (Sunflower) | Purple |
| Draba albertina | Slender Draba | Brassicacea (Mustard) | Yellow |
| Draba aurea | Golden Draba | Brassicacea (Mustard) | Yellow |
| Draba crassa | Thick-leaf Draba | Brassicacea (Mustard) | Yellow |
| Draba crassifolia | Snowbed Draba | Brassicacea (Mustard) | Yellow |
| Draba streptobrachia | Alpine Tundra Draba | Brassicacea (Mustard) | Yellow |
| Dracocephalum parviflorum (Moldavica parviflora) |
American Dragonhead | Lamiacea (Mint) | Pink |
| Dryas octopetala | Eight-petal Mountain Avens, Mountain Avens, Mountain Dryad | Rosacea (Rose) | White |
| Drymocallis convallaria (Potentilla convallaria, Drymocallis arguta ssp. convallaria) |
Creamy Cinquefoil | Rosaceae (Rose) | White |
| Drymocallis fissa (Potentilla fissa) |
Leafy Cinquefoil | Rosaceae (Rose) | Yellow |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Echinocereus coccineus ssp. coccineus | Scarlet Hedgehog Cactus | Cactaceae (Cactus) | Red |
| Echinocereus triglochidiatus (Echinocereus mojavensis) |
Kingcup Cactus, Claretcup Hedgehog Cactus | Cactaceae (Cactus) | Red |
| Echinocereus viridiflorus ssp. virididflorus | Nylon Lace Cactus | Cactaceae (Cactus) | Yellow |
| Elaeagnus angustifolia | Russian Olive | Elaeagnaceae (Oleaster) | Yellow |
| Engelmannia peristenia (Engelmannia pinnatifida) |
Engelmann's Daisy | Asteraceae (Sunflower) | Yellow |
| Epilobium anagallidifolium | Alpine Willowherb | Onagraceae (Evening Primrose) | Pink |
| Epilobium brachycarpum | Tall Annual Willowherb, Panicled Willowherb | Onagraceae (Evening Primrose) | Pink |
| Epilobium ciliatum | Fringed Willowherb | Onagraceae (Evening Primrose) | Pink |
| Epilobium hornemannii | Hornemann's Willowherb | Onagraceae (Evening Primrose) | Pink |
| Epilobium lactiflorum | Whiteflower Willowherb, Milkflower Willowherb | Onagraceae (Evening Primrose) | White |
| Equisetum hyemale ssp. affine | Common Scouring-rush, Scouring-rush Horsetail | Equisetaceae (Horsetail) | Brown |
| Equisetum laevigatum | Smooth Scouring-rush, Smooth Horsetail | Equisetaceae (Horsetail) | Brown |
| Eremogone congesta (Arenaria congesta) |
Ballhead Sandwort | Caryophyllaceae (Pink) | White |
| Eremogone fendleri (Arenaria fendleri) |
Fendler's Sandwort | Caryophyllaceae (Pink) | White |
| Eremogone hookeri var. hookeri (Arenaria hookeri ssp. hookeri) |
Hooker's Sandwort | Caryophyllaceae (Pink) | White |
| Ericameria nauseosa | Rubber Rabbitbrush, Golden Bush | Asteraceae (Sunflower) | Yellow |
| Ericameria parryi var. parryi | Rabbitbrush, Parry's Rabbitbrush | Asteraceae (Sunflower) | Yellow |
| Erigeron bellidiastrum | Pretty Daisy, Western Fleabane | Asteraceae (Sunflower) | White |
| Erigeron compositus | Cutleaf Daisy, Fernleaf Fleabane | Asteraceae (Sunflower) | White |
| Erigeron coulteri | Coulter's Daisy, Whiteray Daisy | Asteraceae (Sunflower) | White |
| Erigeron divergens | Spreading Fleabane, Spreading Daisy | Asteraceae (Sunflower) | Purple |
| Erigeron elatior | Tall Fleabane, Daisy | Asteraceae (Sunflower) | Purple |
| Erigeron flagellaris | Trailing Daisy, Trailing Fleabane | Asteraceae (Sunflower) | White |
| Erigeron formosissimus | Beautiful Daisy, Beautiful Fleabane | Asteraceae (Sunflower) | Blue |
| Erigeron glacialis (Erigeron peregrinus) |
Subalpine Fleabane, Subalpine Daisy | Asteraceae (Sunflower) | Purple |
| Erigeron grandiflorus (Erigeron simplex) |
Rocky Mountain Alpine Daisy | Asteraceae (Sunflower) | Purple |
| Erigeron leiomerus | Rockslide Daisy | Asteraceae (Sunflower) | Purple |
| Erigeron melanocephalus | Blackheaded Daisy, Blackhead Fleabane | Asteraceae (Sunflower) | White |
| Erigeron pinnatisectus | Featherleaf Fleabane | Asteraceae (Sunflower) | Purple |
| Erigeron pumilus | Shaggy Daisy, Shaggy Fleabane | Asteraceae (Sunflower) | Blue |
| Erigeron speciosus | Showy Daisy, Aspen Fleabane | Asteraceae (Sunflower) | Purple |
| Erigeron subtrinervis | Three-nerve Fleabane | Asteraceae (Sunflower) | Purple |
| Eriogonum alatum var. alatum | Winged Buckwheat | Polygonaceae (Buckwheat) | Yellow |
| Eriogonum arcuatum var. xanthum | Ivy League Buckwheat | Polygonaceae (Buckwheat) | Yellow |
| Eriogonum cernuum | Nodding Buckwheat | Polygonaceae (Buckwheat) | White |
| Eriogonum jamesii var. jamesii | James' Buckwheat | Polygonaceae (Buckwheat) | White |
| Eriogonum ovalifolium var. purpureum | Purple Cusion Buckwheat | Polygonaceae (Buckwheat) | White |
| Eriogonum racemosum | Red-root Buckwheat | Polygonaceae (Buckwheat) | White |
| Eriogonum umbellatum var. majus | Sub-alpine Sulphur-flower, Sulphur-flower Buckwheat | Polygonaceae (Buckwheat) | White |
| Eriogonum umbellatum var. porteri | Porter's Buckwheat, Porter's Sulphur-flower | Polygonaceae (Buckwheat) | Yellow |
| Eriogonum umbellatum var. umbellatum | Sulphur-flower Buckwheat | Polygonaceae (Buckwheat) | Yellow |
| Eritrichium nanum | Arctic Alpine Forget-Me-Not | Boraginaceae (Forget-Me-Not) | Blue |
| Erodium cicutarium | Redstem Stork's Bill, Filaree | Geraniaceae (Geranium) | Pink |
| Erysimum capitatum | Western Wallflower | Brassicacea (Mustard) | Yellow |
| Erysimum capitatum var. purshii | Pursh's Wallflower | Brassicacea (Mustard) | Purple |
| Erythranthe guttata (Mimulus guttatus) |
Yellow Monkeyflower, Common Monkeyflower | Phrymaceae (Lopseed) | Yellow |
| Erythranthe minor (Mimulus minor) |
Colorado Monkeyflower | Phrymaceae (Lopseed) | Yellow |
| Erythranthe tilingii (Mimulus tilingii) |
Subalpine Monkeyflower | Phrymaceae (Lopseed) | Yellow |
| Escobaria viviparia (Coryphantha vivipara) |
Pincushion Cactus, Spinystar | Cactaceae (Cactus) | Pink |
| Eucephalus engelmannii | Engelman's Aster | Asteraceae (Sunflower) | White |
| Euphorbia davidii | Toothy Spurge, David's Spurge | Euphorbiaceae (Spurge) | Green |
| Euphorbia esula | Leafy Spurge | Euphorbiaceae (Spurge) | Green |
| Eutrochium maculatum var. bruneri (Eupatoriadelphus maculatus var. bruneri) |
Western Spotted Gravel-root, Spotted Joe-pye Weed | Asteraceae (Sunflower) | Purple |
| Evolvulus nuttallianus | Shaggy Dwarf Morning-glory | Convolvulaceae (Morning Glory) | Purple |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Fallugia paradoxa | Apache Plume | Rosaceae (Rose) | White |
| Fragaria vesca | Woodland Strawberry | Rosaceae (Rose) | White |
| Fragaria virginiana ssp. glauca | Wild Stawberry, Mountain Strawberry | Rosaceae (Rose) | White |
| Frasera speciosa | Elkweed, Monument Plant | Gentianaceae (Gentian) | White/Green |
| Gaillardia aristata | Blanketflower, Great Blanketflower | Asteraceae (Sunflower) | Yellow |
| Galium boreale | Northern Bedstraw | Rubiaceae (Madder) | White |
| Gayophytum diffusum ssp. parviflorum | Spreading Groundsmoke | Onagraceae (Evening Primrose) | White |
| Gentiana affinis (Pneumonanthe affinis) |
Rocky Mountain Gentian, Pleated Gentian | Gentianaceae (Gentian) | Blue |
| Gentiana parryi (Pneumonanthe parryi) |
Parry's Gentian, Mountain Gentian | Gentianaceae (Gentian) | Blue |
| Gentiana prostrata (Chondrophylla prostrata) |
Pygmy Gentian, Moss Gentian | Gentianaceae (Gentian) | Blue |
| Gentianella amarella (Gentianella acuta) |
Autumn Dwarf Gentian, Dwarf Gentian, Little Gentian | Gentianaceae (Gentian) | Purple |
| Gentianopsis barbellata | Perennial Fringed Gentian | Gentianaceae (Gentian) | Blue |
| Gentianopsis thermalis | Rocky Mountain Fringed Gentian | Gentianaceae (Gentian) | Blue |
| Geranium caespitosum | Tufted Geranium, Purple Crane's Bill | Geraniaceae (Geranium) | Pink |
| Geranium richardsonii | Richardon's Geranium, Wild Geranium | Geraniaceae (Geranium) | White |
| Geranium viscosissimum | Purple Sticky Geranium | Geraniaceae (Geranium) | Pink |
| Geum macrophyllum | Large-leaf Avens, Bur Avens | Rosaceae (Rose) | Yellow |
| Geum rivale | Purple Avens, Water Avens | Rosaceae (Rose) | Pink |
| Geum rossii | Alpine Avens | Rosaceae (Rose) | Yellow |
| Geum triflorum | Prairie Smoke | Rosaceae (Rose) | Pink |
| Gilia clokeyi | Clokey's Gilia | Polemoniaceae (Phlox) | White |
| Glandularia bipinnatifida | Dakota Mock Vervain, Prairie Verbena | Verbenaceae (Verbena) | Purple |
| Glycyrrhiza lepidota | Wild Licorice, American Licorice | Fabaceae (Pea) | White |
| Goodyera oblongifolia | Rattlesnake Plantain Orchid, Rattlesnake Plantain, Western Rattlesnake Plantain | Orchidaceae (Orchid) | White |
| Grindelia fastigiata | Pointed Gumweed | Asteraceae (Sunflower) | Yellow |
| Grindelia squarrosa | Curlycup Gumweed | Asteraceae (Sunflower) | Yellow |
| Grindelia subalpina | Subalpina Gumweed | Asteraceae (Sunflower) | Yellow |
| Gutierrezia sarothrae | Broom Snakeweed | Asteraceae (Sunflower) | Yellow |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Hackelia floribunda | Manyflower Stickseed, Tall Forget-Me-Not | Boraginacea (Forget-Me-Not) | Blue |
| Hedysarum boreale | Boreal Sweetvetch, Utah Sweetvetch, Northern Sweetvetch | Fabacea (Pea) | Pink |
| Helianthella quinquenervis | Five-nerve Sunflower, Dwarf Nodding Sunflower, Five-nerve Helianthella | Asteraceae (Sunflower) | Yellow |
| Helianthus annuus | Common Sunflower | Asteraceae (Sunflower) | Yellow |
| Helianthus petiolaris ssp. fallax | Prairie Sunflower | Asteraceae (Sunflower) | Yellow |
| Helianthus petiolaris ssp. petiolaris | Prairie Sunflower | Asteraceae (Sunflower) | Yellow |
| Helianthus pumilus | Little Sunflower | Asteraceae (Sunflower) | Yellow |
| Heliomeris multiflora var. multiflora (Viguira multiflora var. multiflora) |
Showy Goldeneye | Asteraceae (Sunflower) | Yellow |
| Heliomeris multiflora var. nevadensis (Viguira multiflora var. nevadensis) |
Nevada Goldeneye | Asteraceae (Sunflower) | Yellow |
| Heracleum sphondylium ssp. montanum (Heracleum maximum) |
Cow Parsnip | Apiaceae (Parsley) | White |
| Herrickia glauca var. glauca (Eurybia glauca var. glauca) |
Gray's Aster, Gray Aster | Asteraceae (Sunflower) | Purple |
| Heterotheca pumila | Alpine Goldenaster, False Goldenaster, Dwarf Golden Aster | Asteraceae (Sunflower) | Yellow |
| Heterotheca villosa var. foliosa (Heterotheca foliosa) |
Foliose False Goldenaster | Asteraceae (Sunflower) | Yellow |
| Heterotheca villosa var. minor (Heterotheca villosa var. hispida) |
Hairy False Goldenaster | Asteraceae (Sunflower) | Yellow |
| Heterotheca villosa var. nana (Heterotheca horrida) |
Hairy False Goldenaster | Asteraceae (Sunflower) | Yellow |
| Heterotheca villosa var. villosa | Hairy False Goldenaster | Asteraceae (Sunflower) | Yellow |
| Heuchera parvifolia (Heuchera parvifolia var. nivalis) |
Common Alumroot, Snow Alumroot | Saxifragaceae (Saxifrage) | White |
| Hieracium albiflorum | Whiteflower Hawkweed | Asteraceae (Sunflower) | White |
| Hieracium aurantiacum | Orange Hawkweed, Devil's Paintbrush | Asteraceae (Sunflower) | Orange |
| Hieracium triste | Woolly Hawkweed | Asteraceae (Sunflower) | Yellow |
| Holodiscus discolor var. dumosus (Holodiscus dumosus) |
Rock Spirea | Rosaceae (Rose) | White |
| Hordeum jubatum | Foxtail Barley | Poaceae (Grasses) | |
| Hydrophyllum capitatum var. capitatum | Ballhead Waterleaf | Hydrophyllaceae (Waterleaf) | Purple |
| Hymenopappus filifolius var. cinereus | Fineleaf Hymenopappus | Asteraceae (Sunflower) | Yellow |
| Hymenopappus filifolius var. polycephalus | Fineleaf Hymenopappus, Manyhead Hymonopappus | Asteraceae (Sunflower) | Yellow |
| Hymenoxys grandiflora (Tetraneuris grandiflora, Rydbergia grandiflora) |
Old-man-of-the-mountain, Alpine Sunflower | Asteraceae (Sunflower) | Yellow |
| Hymenoxys hoopesii | Orange Sneezeweed, Owl's-claws | Asteraceae (Sunflower) | Yellow |
| Hymenoxys richardsonii var. floribunda | Colorado Rubberweed | Asteraceae (Sunflower) | Yellow |
| Hypogymnia physodes | Hooded Tube Lichen | Parmeliaceae |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Ipomoea leptophylla | Bush Morning-glory | Convolvulaceae (Morning-glory) | Pink |
| Ipomopsis aggregata | Scarlet Gilia, Fairy Trumpet | Polemoniaceae (Phlox) | Red |
| Ipomopsis globularis | Hoosier Pass Ipomopsis | Polemoniaceae (Phlox) | Purple |
| Ipomopsis laxiflora | Iron Ipomopsis, Iron Skyrocket | Polemoniaceae (Phlox) | White |
| Ipomopsis longiflora | Long-flowered Ipomopsis, White-flowered Skyrocket | Polemoniaceae (Phlox) | White |
| Ipomopsis tenuituba | Slender-tubed Skyrocket | Polemoniaceae (Phlox) | Pink |
| Iris missouriensis | Rocky Mountain Iris, Wild Iris | Iridaceae (Iris) | Purple |
| Jamesia americana var. americana | Fivepetal Cliffbush | Hydrangeaceae (Hydrangea) | White |
| Juncus drummondii | Drummond's Rush | Juncaceae (Rush) | |
| Kalmia microphylla | Alpine Laurel | Ericaceae (Heath) | Pink |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Lactuca serriola | Prickly Lettuce | Asteraceae (Sunflower) | Yellow |
| Lappula occidentalis var. occidentalis | Western Stickseed, Flatspine Sheepburr | Boraginaceae (Forget-me-not) | White |
| Lathyrus laetivirens | Aspen Pea | Fabaceae (Pea) | White |
| Lathyrus latifolius | Everlasting Pea, Perennial Pea | Fabaceae (Pea) | Pink |
| Lepidium chalepensis (Cardaria chalepensis, Lepidium chalapense) |
Lenspod Whitetop | Brassicaceae (Mustard) | White |
| Lepidium draba (Cardaria draba) |
Hoary Cress, Whitetop | Brassicaceae (Mustard) | White |
| Lepidium latifolium | Broadleaf Pepperweed | Brassicaceae (Mustard) | White |
| Lepidium montanum | Mountain Pepperweed | Brassicaceae (Mustard) | White |
| Lepidium virginicum | Peppergrass, Virginia Pepperweed | Brassicaceae (Mustard) | White |
| Leucanthemum vulgare | Oxeye Daisy | Asteraceae (Sunflower) | White |
| Lewisia pygmaea | Pygmy Bitterroot | Montiaceae (Miner's Lettuce) | Pink |
| Liatris punctata (Liatris mucronata) |
Dotted Blazing Star, Dotted Gayfeather | Asteraceae (Sunflower) | Purple |
| Ligusticum tenuifolium | Fern-leaf Lovage, Idaho Licorice-root | Apiaceae (Parsley) | White |
| Linaria vulgaris | Butter and Eggs, Yellow Toadflax | Plantaginaceae (Plantain) | Yellow |
| Linnaea borealis ssp.americana | Twinflower, American Twinflower | Caprifoliaceae (Honeysuckle) | Pink |
| Linum lewisii | Blue Flax | Linaceae (Flax) | Blue |
| Lithophragma glabrum | Woodland Star | Saxifragaceae (Saxifrage) | White |
| Lithospermum multiflorum | Manyflowered Gromwell, Manyflowered Stoneseed, Southwestern Stoneseed | Boraginaceae (Forget-me-not) | Yellow |
| Lithospermum ruderale | Puccoon, Western Stoneseed | Boraginaceae (Forget-me-not) | Yellow |
| Lloydia serotina | Alplily, Alpine Lily | Liliaceae (Lily) | White |
| Lonicera involucrata | Twinberry, Twinberry Honeysuckle | Caprifoliaceae (Honeysuckle) | Yellow |
| Lupinus argenteus | Silvery Lupine | Fabaceae (Pea) | Blue |
| Lupinus bakeri | Baker's Lupine | Fabaceae (Pea) | Blue |
| Lupinus brevicaulis | Shortstem Lupine | Fabaceae (Pea) | Blue |
| Lupinus caespitosus | Dwarf Lupine | Fabaceae (Pea) | Blue |
| Lupinus caudatus | Tailcup Lupine | Fabaceae (Pea) | Blue |
| Lupinus prunophilus (Lupinus polyphyllus var. prunophilus) |
Big-leaf Lupine | Fabaceae (Pea) | Blue |
| Luzula parviflora | Small-flower Woodrush | Juncaceae (Rush) | |
| Lycoperdon perlatum | Common Puffball, Gem-studded Puffball | Agaricaceae | |
| Lygodesmia juncea | Rush Skeletonweed, Rush Skeletonplant | Asteraceae (Sunflower) | Pink |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Machaeranthera tanacetifolia | Tansey Aster, Tahoka Daisy | Asteraceae (Sunflower) | Purple |
| Madia glomerata | Mountain Tarweed | Asteraceae (Sunflower) | Yellow |
| Maianthemum racemosum ssp. amplexicaule (Smilacina racemosa) |
Western Solomon's Seal, Feathery False Lily of the Valley | Asparagaceae (Asparagus) | White |
| Maianthemum stellatum (Smilacina stellata) |
Starry Solomon's Seal, Starry False Lily of the Valley | Asparagaceae (Asparagus) | White |
| Malva neglecta | Common Mallow, Dwarf Mallow | Malvaceae (Mallow) | White |
| Medicago lupulina | Black Medic | Fabaceae (Pea) | Yellow |
| Medicago sativa | Wild Alfalfa | Fabaceae (Pea) | Purple |
| Melampodium leucanthum | Blackfoot Daisy | Asteraceae (Sunflower) | White |
| Melilotus albus | White Sweet Clover | Fabaceae (Pea) | White |
| Melilotus officinalis | Yellow Sweet Clover | Fabaceae (Pea) | Yellow |
| Mentzelia multiflora | Adonis Blazingstar | Loasacea (Loasa) | Yellow |
| Mertensia alpina | Alpine Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia brevistyla | Short-style Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia ciliata | Mountain Bluebells, Tall Fringed Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia franciscana | Franciscan Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia humilis | Rocky Mountain Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia lanceolata | Lanceleaf Bluebells, Narrowleaf Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Mertensia oblongifolia (Mertensia foliosa) |
Sagebrush Bluebells, Oblong-leaf Bluebells | Boraginaceae (Forget-Me-Not) | Blue |
| Micranthes odontoloma (Saxifraga odontoloma) |
Brook Saxifrage | Saxifragaceae (Saxifrage) | White |
| Micranthes oregana (Saxifraga oregana) |
Bog Saxifrage | Saxifragaceae (Saxifrage) | White |
| Micranthes rhomboidea (Saxifraga rhomboidea) |
Snowball Saxifrage, Diamondleaf Saxifrage | Saxifragaceae (Saxifrage) | White |
| Minuartia obtusiloba (Lidia obtusiloba) |
Alpine Sandwort | Caryophyllaceae (Pink) | White |
| Mirabilis albida | White Four O'clock, Hairy Four O'clock | Nyctaginaceae (Four O'clock) | White |
| Mirabilis linearis | Narrow-leaf Four O'clock | Nyctaginaceae (Four O'clock) | Pink |
| Mirabilis multiflora var. multiflora | Colorado Four O'clock | Nyctaginaceae (Four O'clock) | Pink |
| Mirabilis oxybaphoides | Spreading Four O'clock | Nyctaginaceae (Four O'clock) | Pink |
| Mitella pentandra (Pectiantia pentandra) |
Five-stamen Miterwort | Saxifragaceae (Saxifrage) | White/Green |
| Mitella stauropetala | Side-flowered Miterwort, Smallflower Miterwort, Starry Miterwort | Saxifragaceae (Saxifrage) | White/Green |
| Monarda fistulosa var. menthifolia | Wild Bergamot, Mintleaf Bergamot | Lamiaceae (Mint) | Purple |
| Monarda pectinata | Plains Beeblossom, Pony Beeblossom, Horsemint | Lamiaceae (Mint) | White |
| Moneses uniflora | Single Delight, Woodnymph | Ericaceae (Heath) | White |
| Montia chamissoi | Water Miner's Lettuce | Montiaceae (Miner's Lettuce) | White |
| Mulgedium oblongifolium (Mulgedium pulchellum, Lactuca pulchella, Lactuca tatarica var. pulchella) |
Blue Lettuce | Asteraceae (Sunflower) | Blue |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Nepeta cataria | Catnip | Lamiaceae (Mint) | White |
| Neottia cordata (Listera cordata) |
Heartleaf Twayblade | Orchidaceae (Orchid) | White/Green |
| Noccaea fendleri ssp. glauca (Noccaea montana, Thlaspi montanum) |
Alpine Pennycress, Mountain Candytuft | Brassicaceae (Mustard) | White |
| Nothocalais troximoides | Sagebrush False Dandelion, False Agoseris | Asteraceae (Sunflower) | Yellow |
| Nuphar polysepala (Nuphar lutea ssp. polysepala, Nuphar polysepala ssp. polysepala) |
Rocky Mountain Water-lily | Nymphaeaceae (Water-lily) | Yellow |
| Oenothera albicaulis | Whitest Evening Primrose | Onagraceae (Evening Primrose) | White |
| Oenothera cespitosa ssp. cespitosa | Tufted Evening Primrose | Onagraceae (Evening Primrose) | White |
| Oenothera coronopifolia | Cut-leaf Evening Primrose, Crown-leaf Evening Primrose | Onagraceae (Evening Primrose) | White |
| Oenothera curtiflora (Gaura parviflora) |
Velvetweed | Onagraceae (Evening Primrose) | Pink |
| Oenothera flava | Yellow Evening Primrose, Long-tube Evening Primrose | Onagraceae (Evening Primrose) | Yellow |
| Oenothera lavandulifolia (Calylophus lavandulifolius) |
Lavender-leaf Sundrops | Onagraceae (Evening Primrose) | Yellow |
| Oenothera suffrutescens | Scarlet Gaura, Scarlet Beeblossom | Onagraceae (Evening Primrose) | Pink |
| Oenothera villosa ssp. strigosa | Hairy Evening Primrose, Common Evening Primrose | Onagraceae (Evening Primrose) | Yellow |
| Oenothera villosa ssp. villosa | Hairy Evening Primrose, Common Evening Primrose | Onagraceae (Evening Primrose) | Yellow |
| Onobrychis viciifolia | Sainfoin | Fabaceae (Pea) | Pink |
| Opuntia macrorhiza | Plains Prickly Pear, Twist-spine Prickly Pear | Cactaceae (Cactus) | Yellow |
| Opuntia phaeacantha | Tulip Prickly Pear | Cactaceae (Cactus) | Yellow |
| Opuntia polyacantha var. polyacantha | Hairspine Prickly Pear, Starvation Prickly Pear | Cactaceae (Cactus) | Yellow |
| Oreochrysum parryi | Parry's Goldenrod, Parry's Goldenweed | Asteraceae (Sunflower) | Yellow |
| Oreoxis alpina (Cymopterus alpinus) |
Tundra Alpine-parsley, Alpine Parsley | Apiaceae (Parsley) | Yellow |
| Orthilia secunda | One-sided Wintergreen, Sidebells Wintergreen | Ericaceae (Heath) | White/Green |
| Orthocarpus luteus | Yellow Owl's-clover | Orobanchaceae (Broomrape) | Yellow |
| Osmorhiza occidentalis | Western Sweetroot, Western Sweet-cicely | Apiaceae (Parsley) | White |
| Oxypolis fendleri | Cowbane | Apiaceae (Parsley) | White |
| Oxyria digyna | Alpine Sorrel, Mountain Sorrel | Polygonaceae (Buckwheat) | Red |
| Oxytropis sericea var. sericea | White Locoweed | Fabaceae (Pea) | White |
| Oxytropis splendens | Showy Locoweed | Fabaceae (Pea) | Purple |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Packera crocata | Saffron Ragwort, Saffron Groundsel | Asteraceae (Sunflower) | Yellow |
| Packera fendleri | Fendler's Groundsel, Fendler's Ragwort | Asteraceae (Sunflower) | Yellow |
| Packera pseudaurea var. flavula | Falsegold Groundsel | Asteraceae (Sunflower) | Yellow |
| Packera streptanthifolia | Rocky Mountain Groundsel, Cut-leaf Groundsel | Asteraceae (Sunflower) | Yellow |
| Packera werneriifolia | Hoary Groundsel, Alpine Rock Groundsel | Asteraceae (Sunflower) | Yellow |
| Palafoxia rosea | Rosy Palafox | Asteraceae (Sunflower) | Pink |
| Parnassia fimbriata | Grass of Parnassus | Celastraceae (Staff-tree) | White |
| Paxistima myrsinites | Mountain Lover | Celastraceae (Staff-tree) | Red |
| Pectis angustifolia var. angustifolia | Lemonscent, Narrowleaf Pectis | Asteraceae (Sunflower) | Yellow |
| Pedicularis bracteosa var. paysoniana | Payson's Lousewort | Orobanchaceae (Broomrape) | Yellow |
| Pedicularis groenlandica | Elephant Heads | Orobanchaceae (Broomrape) | Pink |
| Pedicularis parryi ssp. parryi | Parry's Lousewort | Orobanchaceae (Broomrape) | White |
| Pedicularis racemosa ssp. alba | Parrot's Beak | Orobanchaceae (Broomrape) | White |
| Pedicularis sudetica ssp. scopulorum | Alpine Lousewort | Orobanchaceae (Broomrape) | Pink |
| Pediocactus simpsonii | Mountain Cactus, Simpson's Hedgehog Cactus | Cactaceae (Cactus) | Pink |
| Pediomelum digitatum | Palmleaf Indian Breadroot, Palmleaf Scurfpea | Fabaceae (Pea) | Blue |
| Penstemon albidus | White Penstemon | Plantaginaceae (Plantain) | White |
| Penstemon angustifolius var. caudatus | Broadbeard Penstemon, Broadbeard Beardtongue | Plantaginaceae (Plantain) | Purple |
| Penstemon barbatus var. torreyi | Torrey's Penstemon, Beard-lip Penstemon | Plantaginaceae (Plantain) | Red |
| Penstemon caespitosus | Mat Penstemon/td> | Plantaginaceae (Plantain) | Purple |
| Penstemon crandallii ssp. crandallii | Crandall's Penstemon, Crandall's Beardtoungue | Plantaginaceae (Plantain) | Purple |
| Penstemon glaber var. alpinus | Alpine Sawsepal Penstemon | Plantaginaceae (Plantain) | Blue |
| Penstemon glaber var. brandegeei | Brandegeei's Penstemon | Plantaginaceae (Plantain) | Blue |
| Penstemon hallii | Hall's Beardtongue | Plantaginaceae (Plantain) | Purple |
| Penstemon harbourii | Harbour’s Beardtongue | Plantaginaceae (Plantain) | Purple |
| Penstemon mensarum | Mesa Penstemon, Tiger Beardtongue | Plantaginaceae (Plantain) | Blue |
| Penstemon palmeri var. palmeri | Palmer's Penstemon | Plantaginaceae (Plantain) | Pink |
| Penstemon penlandii | Penland's Penstemon, Kremmling Penstemon | Plantaginaceae (Plantain) | Blue |
| Penstemon procerus var. procerus | Clustered Penstemon, Little Penstemon | Plantaginaceae (Plantain) | Purple |
| Penstemon rydbergii | Rydberg's Penstemon, Meadow Beardtongue | Plantaginaceae (Plantain) | Purple |
| Penstemon strictus | Rocky Mountain Penstemon | Plantaginaceae (Plantain) | Purple |
| Penstemon virgatus var. asa-grayi (Penstemon unilateralis) |
Beardless Sidebells Penstemon, Beardless Sidebells Penstemon | Plantaginaceae (Plantain) | Purple |
| Penstemon watsonii | Watson's Beardtongue, Watson's Penstemon | Plantaginaceae (Plantain) | Blue |
| Penstemon whippleanus | Dusky Beardtongue, Whipple's Penstemon | Plantaginaceae (Plantain) | Purple |
| Penstemon whippleanus | Dusky Beardtongue, Whipple's Penstemon | Plantaginaceae (Plantain) | White |
| Peritoma serrulata | Rocky Mountain Beeplant | Cleomaceae (Cleome) | Purple |
| Persicaria amphibia (Polygonum amphibium) |
Water Knotweed, Water Smartweed | Polygonaceae (Buckwheat) | Red |
| Phacelia denticulata | Rocky Mountain Scorpionweed, Rocky Mountain Phacelia | Boraginaceae (Forget-me-not) | Blue |
| Phacelia heterophylla | Vari-leaf Phacelia, Wand Phacelia | Boraginaceae (Forget-me-not) | White |
| Phacelia sericea | Purple Fringe, Silky Phacelia | Boraginaceae (Forget-me-not) | Purple |
| Philadelphus microphyllus | Littleleaf Mock Orange | Hydrangeaceae (Hydrangea) | White |
| Philonotis fontana | Philonotis Moss, Fountain Apple-moss | Bartramiaceae | |
| Phleum alpinum | Alpine Timothy | Poaceae (Grass) | |
| Phleum pratense | Timothy, Common Timothy | Poaceae (Grass) | |
| Phlox andicola | Plains Phlox | Polemoniaceae (Phlox) | White |
| Phlox condensata | Alpine Phlox, Dwarf Phlox | Polemoniaceae (Phlox) | White |
| Phlox multiflora | Rocky Mountain Phlox, Many-flowered Phlox | Polemoniaceae (Phlox) | White |
| Phyla cuneifolia | Wedgeleaf Fogfruit | Verbenaceae (Verbena) | White |
| Physaria ludoviciana (Lesquerella ludoviciana) |
Foothill Bladderpod | Brassicaceae (Mustard) | Yellow |
| Physaria montana (Lesquerella montana) |
Mountain Bladderpod | Brassicaceae (Mustard) | Yellow |
| Physocarpus monogynus | Mountain Ninebark | Rosaceae (Rose) | White |
| Picea engelmannii var. engelmannii | Engelmann Spruce | Pinaceae (Pine) | Orange |
| Pinus aristata | Bristlecone Pine | Pinaceae (Pine) | Yellow |
| Pinus contorta var. latifolia | Lodgepole Pine | Pinaceae (Pine) | Yellow |
| Pinus edulis | Pinyon Pine, Two-needle Pinyon, Colorado Pinyon | Pinaceae (Pine) | Yellow |
| Pinus flexilis | Limber Pine | Pinaceae (Pine) | Yellow |
| Plantago lanceolata | Narrowleaf Plantain, Ribwort Plantain, English Plantain | Plantginaceae (Plantain) | White |
| Plantago patagonica | Woolly Plantain | Plantginaceae (Plantain) | White |
| Platanthera aquilonis | Northern Green Orchid, Green Bog Orchid | Orchidaceae (Orchid) | Green |
| Platanthera dilatata var. albiflora | White Bog Orchid | Orchidaceae (Orchid) | White |
| Platanthera obtusata | Blunt-leaf Orchid | Orchidaceae (Orchid) | White/Green |
| Platyschkuhria integrifolia var. desertorum | Basin Daisy | Asteraceae (Sunflower) | Yellow |
| Polanisia dodecandra ssp. trachysperma | Redwhisker Clammyweed | Cleomaceae (Cleome) | White |
| Polemonium confertum | Rocky Mountain Sky Pilot | Polemoniaceae (Phlox) | Blue/Purple |
| Polemonium foliosissimum | Leafy Jacob's Ladder, Tall Jacob's Ladder | Polemoniaceae (Phlox) | Blue |
| Polemonium pulcherrimum ssp. delicatum | Jacob's Ladder | Polemoniaceae (Phlox) | Blue |
| Polemonium viscosum | Sky Pilot, Sticky Polemonium | Polemoniaceae (Phlox) | Blue/Purple |
| Polygonum sawatchense ssp. sawatchense (Polygonum douglasii ssp. johnstonii) |
Sawatch Knotweed | Polygonaceae (Buckwheat) | White |
| Polytrichum commune | Haircap Moss | Polytrichaceae (Aloe Moss) | |
| Polytrichum strictum | Slender Haircap | Polytrichaceae (Aloe Moss) | |
| Portulaca oleracea | Common Purslane, Little Hogweed | Caryophyllaceae (Pink) | Yellow |
| Potentilla concinna | Elegant Cinquefoil, Early Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla effusa (Potentilla hippiana var. effusa) |
Branched Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla glaucophylla var. glaucophylla (Potentilla diversifolia var. diversifolia) |
Blue-leaf Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla hippiana | Woolly Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla norvegica | Norwegian Cinquefoil, Rough Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla ovina var. decurrens | Sheep Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla pensylvanica | Prairie Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla pulcherrima | Beautiful Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla rubricaulis (Potentilla hookeriana) |
Red-stemmed Cinquefoil, Rocky Mountain Cinquefoil | Rosaceae (Rose) | Yellow |
| Potentilla subjuga | Colorado Cinquefoil | Rosaceae (Rose) | Yellow |
| Primula angustifolia | Alpine Primrose | Primulaceae (Primrose) | Pink |
| Primula parryi | Brook Primrose, Parry's Primrose | Primulaceae (Primrose) | Pink |
| Primula pauciflora ssp. pauciflora (Dodecatheon pulchellum ssp. pulchellum) |
Shooting Star, Darkthroat Shooting Star | Primulaceae (Primrose) | Pink |
| Proboscidea louisianica ssp. louisianica | Ram's Horn, Common Devil's Claw | Martyniaceae (Unicorn Plant) | White |
| Prunus virginiana var. demissa or melanocarpa | Western Chokecherry or Black Chokecherry | Rosaceae (Rose) | White |
| Pseudocymopterus montanus (Cymopterus lemmonii) |
Mountain Parsley, Alpine False Spring-parsley | Apiaceae (Parsley) | Yellow |
| Pseudostellaria jamesiana | Tuber Starwort, Sticky Starwort | Caryophyllaceae (Pink) | White |
| Pseudotsuga menziesii var. glauca | Douglas Fir | Pinaceae (Pine) | Yellow |
| Psoralidium tenuiflorum (Pediomelum tenuiflorum) |
Slimflower Scurfpea | Fabaceae (Pea) | Purple |
| Pterospora andromedea | Woodland Pinedrops | Ericaceae (Heath) | Red |
| Pulsatilla patens ssp. multifida | Pasqueflower | Ranunculaceae (Buttercup) | Purple |
| Purshia mexicana var. stansburyana (Purshia stansburiana, Cowania stansburyana) |
Stansbury's Cliffrose | Rosaceae (Rose) | White |
| Purshia tridentata | Antelope Bitterbrush, Buckbrush | Rosaceae (Rose) | Yellow |
| Pyrola asarifolia ssp. asarifolia | Bog Wintergreen | Ericaceae (Heath) | Pink |
| Pyrola chlorantha | Green-flowered Wintergreen | Ericaceae (Heath) | White |
| Pyrola minor | Snowline Wintergreen, Lesser Wintergreen | Ericaceae (Heath) | White |
| Pyrrocoma clementis var. clementis | Tranquil Goldenweed | Asteraceae (Sunflower) | Yellow |
| Pyrrocoma crocea var. crocea | Curlyhead Goldenweed | Asteraceae (Sunflower) | Yellow |
| Pyrrocoma uniflora var. uniflora | Plantain Goldenweed | Asteraceae (Sunflower) | Yellow |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Quincula lobata (Physalis lobata) |
Chinese Lantern, Purple Groundcherry | Solanaceae (Nightshade) | Purple |
| Ramaria flava | Goat's Beard | Gomphaceae | |
| Ranunculus adoneus | Snow Buttercup, Alpine Buttercup | Ranunculaceae (Buttercup) | Yellow |
| Ranunculus eschscholtzii | Subalpine Buttercup, Eschscholtz's buttercup, Largeflower Buttercup | Ranunculaceae (Buttercup) | Yellow |
| Ranunculus glaberrimus var. ellipticus | Sagebrush Buttercup | Ranunculaceae (Buttercup) | Yellow |
| Ranunculus inamoenus | Graceful Buttercup | Ranunculaceae (Buttercup) | Yellow |
| Ratibida columnifera | Plains Coneflower | Asteraceae (Sunflower) | Yellow |
| Rhaponticum repens (Acroptilon repens) |
Russian Knapweed, Hardheads | Asteraceae (Sunflower) | Purple |
| Rhodiola integrifolia (Sedum integrifolium) |
King's Crown | Crassulaceae (Stonecrop) | Red |
| Rhodiola rhodantha (Clementsia rhodantha) |
Queen's Crown, Rose Crown | Crassulaceae (Stonecrop) | Pink |
| Rhus aromatica var. trilobata (Rhus trilobata var. trilobata) |
Skunkbush Sumac, Aromatic Sumac | Anacardiaceae (Sumac) | White |
| Ribes montigenum | Red Prickly Currant, Gooseberry, Mountain Gooseberry | Grossulariaceae (Gooseberry) | Red |
| Ribes wolfii | Wolf's Currant | Grossulariaceae (Gooseberry) | White |
| Robinia neomexicana | New Mexico Locust | Fabaceae (Pea) | Pink |
| Rosa arkansana | Prairie Rose, Arkansas Rose | Rosaceae (Rose) | White |
| Rosa woodsii ssp. ultramontana | Wild Rose, Woods' Rose | Rosaceae (Rose) | Pink |
| Rubus deliciosus | Boulder Raspberry | Rosaceae (Rose) | White |
| Rubus idaeus | Wild Raspberry | Rosaceae (Rose) | White |
| Rubus parviflorus | Thimbleberry | Rosaceae (Rose) | White |
| Rudbeckia hirta | Black-eyed Susan | Asteraceae (Sunflower) | Yellow |
| Rudbeckia laciniata var. ampla | Golden Glow | Asteraceae (Sunflower) | Yellow |
| Rudbeckia montana (Rudbeckia occidentalis var. montana) |
Montane Coneflower | Asteraceae (Sunflower) | Yellow |
| Rumex acetosella | Sheep Sorrel | Polygonaceae (Buckwheat) | Red/Pink |
| Rumex crispus | Curly Dock | Polygonaceae (Buckwheat) | Red/Pink |
| Rumex densiflorus | Alpine Dock | Polygonaceae (Buckwheat) | Red/Pink |
| Rumex triangulivalvis (Rumex salicifolius var. mexicanus) |
White Dock, Mexican Dock | Polygonaceae (Buckwheat) | Green |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Salix brachycarpa | Barrenground Willow, Short-fruit Willow | Salicaceae (Willow) | White |
| Salix glauca | Grayleaf Willow | Salicaceae (Willow) | White |
| Salix nivalis (Salix reticulata ssp. nivalis) |
Snow Willow | Salicaceae (Willow) | Red |
| Salix petrophila | Alpine Willow, Rock Willow | Salicaceae (Willow) | Red |
| Salix planifolia | Plane-leaf Willow | Salicaceae (Willow) | White |
| Sambucus nigra ssp. cerulea (Sambucus cerulea) |
Blue Elderberry | Adoxaceae (Muskroot) | White |
| Sambucus racemosa | Red Elderberry | Adoxaceae (Muskroot) | White |
| Saponaria officinalis | Common Soapwort, Bouncing Bet | Caryophyllaceae (Pink) | White |
| Sarcobatus vermiculatus | Greasewood, Black Geasewood | Sarcobataceae (Greasewood) | Yellow |
| Saussurea weberi | Weber's Saw-wort | Asteraceae (Sunflower) | Purple |
| Saxifraga bronchialis ssp. austromontana (Saxifraga austromontana) |
Dotted Saxifrage | Saxifragaceae (Saxifrage) | White |
| Saxifraga flagellaris | Whiplash Saxifrage | Saxifragaceae (Saxifrage) | Yellow |
| Sedum lanceolatum var. lanceolatum | Spearleaf Stonecrop, Yellow Stonecrop | Crassulaceae (Stonecrop) | Yellow |
| Senecio amplectens var. amplectens | Showy Alpine Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio amplectens var. holmii | Holm's Ragwort, Holm's Groundsel | Asteraceae (Sunflower) | Yellow |
| Senecio atratus | Tall Black-tip Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio bigelovii | Nodding Ragwort, Rayless Senecio | Asteraceae (Sunflower) | Yellow |
| Senecio eremophilus var. kingii | King’s Ragwort, Cutleaf Groundsel, Western Golden Groundsel | Asteraceae (Sunflower) | Yellow |
| Senecio flaccidus var. flaccidus | Threadleaf Ragwort, Threadleaf Groundsel | Asteraceae (Sunflower) | Yellow |
| Senecio fremontii var. blitoides | Dwarf Mountain Ragwort, Fremont’s Groundsel | Asteraceae (Sunflower) | Yellow |
| Senecio pudicus | Bashful Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio serra var. admirabilis | Saw-tooth Ragwort, Tall Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio soldanella | Colorado Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio triangularis | Arrowleaf Groundsel, Arrowleaf Ragwort | Asteraceae (Sunflower) | Yellow |
| Senecio wootonii | Wooton's Ragwort | Asteraceae (Sunflower) | Yellow |
| Shepherdia canadensis | Russet Buffaloberry, Canada Buffaloberry | Elaeagnaceae (Oleaster) | Green |
| Sibbaldia procumbens | Creeping Sibbaldia | Rosaceae (Rose) | Yellow |
| Sidalcea candida | White Checker Mallow | Malvaceae (Mallow) | White |
| Silene acaulis | Moss Campion | Caryophyllaceae (Pink) | Pink |
| Silene drummondii ssp. striata | Drummond's Campion, Drummond's Catchfly | Caryophyllaceae (Pink) | White |
| Silene latifolia | White Campion, Bladder Campion | Caryophyllaceae (Pink) | White |
| Silene menziesii | Menzies' Campion, White Catchfly | Caryophyllaceae (Pink) | White |
| Sisymbrium altissimum | Tumble Mustard, Jim Hill Mustard | Brassicaceae (Mustard) | Yellow |
| Sisymbrium loeselii | Small Tumbleweed Mustard | Brassicaceae (Mustard) | Yellow |
| Sisyrinchium idahoense var. occidentale | Idaho Blue-eyed Grass | Iridaceae (Iris) | Blue |
| Smelowskia americana (Smelowskia calycina var. americana) |
Fern-leaf Candytuft, American False Candytuft | Brassicaceae (Mustard) | White |
| Solanum elaeagnifolium | Silverleaf Nightshade | Solanaceae (Nightshade) | Blue |
| Solanum rostratum | Buffalo Bur | Solanaceae (Nightshade) | Yellow |
| Solanum triflorum | Cutleaf Nightshade | Solanaceae (Nightshade) | White |
| Solidago canadensis | Canada Goldenrod | Asteraceae (Sunflower) | Yellow |
| Solidago missouriensis | Smooth Goldenrod, Prairie Goldenrod | Asteraceae (Sunflower) | Yellow |
| Solidago multiradiata | Rocky Mountain Goldenrod | Asteraceae (Sunflower) | Yellow |
| Solidago simplex var. simplex | Mt. Albert Goldenrod, Sticky Goldenrod | Asteraceae (Sunflower) | Yellow |
| Spergularia rubra | Red Sandspurry | Caryophyllaceae (Pink) | Pink |
| Sphaeralcea coccinea | Scarlet Globemallow | Malvaceae (Mallow) | Orange |
| Sphaeralcea parvifolia | Small-leaf Globemallow | Malvaceae (Mallow) | Orange |
| Spiranthes romanzoffiana | Lady's Tresses, Hooded Lady's Tresses | Orchidaceae (Orchid) | White |
| Stanleya pinnata | Desert Prince's Plume | Brassicaceae (Mustard) | Yellow |
| Stellaria crassifolia | Fleshy Starwort | Caryophyllaceae (Pink) | White |
| Stellaria longipes | Longstalk Starwort | Caryophyllaceae (Pink) | White |
| Stephanomeria pauciflora | Few-flower Wirelettuce, Brownplume Wirelettuce | Asteraceae (Sunflower) | Pink |
| Streptopus amplexifolius | Twisted Stalk, Clasp-leaf Twisted Stalk | Liliaceae (Lily) | White |
| Swertia perennis | Star Gentian | Gentianaceae (Gentian) | Purple |
| Symphoricarpos occidentalis | Western Snowberry, Wolfberry | Caprifoliaceae (Honeysuckle) | Pink |
| Symphoricarpos rotundifolius (Symphoricarpos oreophilus) |
Roundleaf Snowberry, Mountain Snowberry | Caprifoliaceae (Honeysuckle) | Pink |
| Symphyotrichum ascendens (Aster ascendens) |
Western Aster | Asteraceae (Sunflower) | Purple |
| Symphyotrichum falcatum (Aster falcatum) |
White Prairie Aster | Asteraceae (Sunflower) | White |
| Symphyotrichum foliaceum var. apricum (Aster foliaceus var. apricus) |
Alpine Leafybract Aster | Asteraceae (Sunflower) | Purple |
| Symphyotrichum foliaceum var. canbyi (Aster foliaceus var. canbyi) |
Canby's Aster | Asteraceae (Sunflower) | Purple |
| Symphyotrichum foliaceum var. parryi (Aster foliaceus var. parryi) |
Parry's Aster | Asteraceae (Sunflower) | Purple |
| Symphyotrichum laeve var. geyeri (Aster laevus var. geyeri) |
Geyer's Aster, Smooth Blue Aster | Asteraceae (Sunflower) | Purple |
| Symphyotrichum porteri (Aster porteri) |
Smooth White Aster, Porter Aster | Asteraceae (Sunflower) | White |
| Symphyotrichum spathulatum (Aster spathulatus) |
Western Mountain Aster | Asteraceae (Sunflower) | Purple |
| Synthyris alpina (Besseya alpina) |
Alpine Kittentails | Plantaginaceae (Plantain) | Purple |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Tamarix chinensis (Tamarix ramosissimum) |
Salt Cedar | Tamaricaceae (Tamarisk) | Pink |
| Taraxacum ceratophorum (Taraxacum officianale ssp. ceratophorum) |
Horned Dandelion, Northern Dandelion | Asteraceae (Sunflower) | Yellow |
| Taraxacum officinale | Common Dandelion | Asteraceae (Sunflower) | Yellow |
| Tetraneuris acaulis var. acaulis (Hymenoxys acaulis) |
Stemless Four-nerve Daisy, Stemless Hymenoxys, Goldflower | Asteraceae (Sunflower) | Yellow |
| Tetraneuris acaulis var. caespitosa (Hymenoxys acaulis) |
Stemless Four-nerve Daisy, Stemless Hymenoxys, Goldflower | Asteraceae (Sunflower) | Yellow |
| Tetraneuris ivesiana (Hymenoxys ivesiana) |
Ives' Four-nerve Daisy, Perky Sue | Asteraceae (Sunflower) | Yellow |
| Teucrium laciniatum | Cut-leaf Germander | Lamiaceae (Mint) | White |
| Thalictrum fendleri | Meadowrue | Ranunculaceae (Buttercup) | White |
| Thelesperma megapotamicum | Hopi Tea Greenthread | Asteraceae (Sunflower) | Yellow |
| Thelesperma subnudum | Navajo Tea | Asteraceae (Sunflower) | Yellow |
| Thermopsis montana (Thermopsis rhombifolia var. montana) |
Mountain Goldenbanner, Golden Banner | Fabaceae (Pea) | Yellow |
| Thlaspi arvense | Field Pennycress | Brassicaceae (Mustard) | White |
| Tonestus pygmaeus (Haplopappus pygmaeus) |
Pygmy Goldenweed | Asteraceae (Sunflower) | Yellow |
| Townsendia eximia | Rocky Mountain Townsend Daisy, Tall Easter Daisy | Asteraceae (Sunflower) | Purple |
| Tradescantia occidentalis | Prairie Spiderwort | Commelinaceae (Spiderwort) | Purple |
| Tragopogon dubius | Salsify, Goatsbeard | Asteraceae (Sunflower) | Yellow |
| Tribulus terrestris | Puncture Vine, Goathead | Zygophyllaceae (Caltrop) | Yellow |
| Trifolium dasyphyllum | Alpine Clover | Fabaceae (Pea) | Pink |
| Trifolium hybridum | Alsike Clover | Fabaceae (Pea) | Pink |
| Trifolium nanum | Dwarf Clover | Fabaceae (Pea) | Pink |
| Trifolium parryi | Parry's Clover | Fabaceae (Pea) | Pink |
| Trifolium pratense | Red Clover | Fabaceae (Pea) | Pink |
| Trifolium repens | White Clover | Fabaceae (Pea) | White |
| Tripleurospermum inodorum | False Chamomile, Scentless Chamomile, Scentless Fall Mayweed | Asteraceae (Sunflower) | White |
| Tripterocalyx micranthus (Albronia micrantha) |
Smallflower Sand Verbena, Sandpuff | Nyctaginaceae (Four O'clock) | White |
| Trollius albiflorus (Trollius laxus ssp. albiflorus) |
Globeflower | Ranunculaceae (Buttercup) | White |
| Typha latifolia | Broadleaf Cattail, Cattail | Typhaceae (Cattail) | Yellow |
| SPECIES | COMMON NAME | FAMILY | COLOR |
| Usnea hirta | Bristly Beard Lichen | Parmeliaceae | |
| Vaccinium caespitosum | Dwarf Blueberry, Dwarf Bilberry | Ericaceae (Heath) | Pink |
| Vaccinium myrtillus | Mountain Blueberry, Bilberry, Whortleberry | Ericaceae (Heath) | Pink |
| Vaccinium scoparium | Grouse Whortleberry, Dwarf Red Whortleberry, Broom Huckleberry | Ericaceae (Heath) | Pink |
| Valeriana acutiloba var. acutiloba | Sharp-leaf Valerian | Valerianaceae (Valerian) | White |
| Valeriana edulis var. edulis | Edible Valerian, Tobacco Root | Valerianaceae (Valerian) | White |
| Valeriana occidentalis | Western Valerian | Valerianaceae (Valerian) | White |
| Veratrum californicum | Corn Lily | Melanthiaceae (False Hellebore) | White |
| Verbascum thapsus | Mullein | Scrophulariaceae (Figwort) | Yellow |
| Verbena bracteata | Bigbract Verbena, Prostrate Vervain | Verbenaceae (Verbena) | Blue |
| Verbena macdougalii | MacDougal's Verbena, Hillside Verbena, New Mexico Vervain | Verbenaceae (Verbena) | Purple |
| Verbena stricta | Hoary Verbena, Tall Vervain | Verbenaceae (Verbena) | Blue |
| Veronica serpyllifolia | Thyme-leaf Speedwell | Plantaginaceae (Plantain) | Blue |
| Veronica wormskjoldii | Alpine Speedwell | Plantaginaceae (Plantain) | Purple |
| Vicia americana ssp. americana | American Vetch | Fabaceae (Pea) | Purple |
| Viola adunca | Blue Violet, Hook-spur Violet | Violaceae (Violet) | Purple |
| Viola canadensis var. scopulorum | White Violet | Violaceae (Violet) | White |
| Viola nuttallii (Viola vallicola) |
Yellow Violet, Nuttall's Violet | Violaceae (Violet) | Yellow |
| Viola renifolia | Kidney-leaf Violet, Northern White Violet | Violaceae (Violet) | White |
| Vitis acerifolia | Bush Grape, Maple-leaf Grape | Vitaceae (Grape) | White |
| Wyethia amplexicaulis | Northern Mule's Ears | Asteraceae (Sunflower) | Yellow |
| Yucca glauca | Great Plains Yucca, Soapweed | Asparagaceae (Asparagus) | White |
| Yucca harrimaniae | Spanish Bayonet | Asparagaceae (Asparagus) | White |
| Zinnia grandiflora | Rocky Mountain Zinnia, Plains Zinnia | Asteraceae (Sunflower) | Yellow |
© Tom Lebsack 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
I try to provide accurate, up-to-date, and relevant information, but cannot guarantee the completeness or accuracy of any information presented on this website. I use authoritative references to insure high standards of accuracy and review and update the information frequently.