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.

Click on the common name to see an image and more details.
Click on the family name to see images of the plants in the family.
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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 crenulata Meadow Lousewort pink FM wet areas, marshes
Pedicularis canadensis v. fluviatilis Canadian Lousewort yellow PFM dry or rocky woodlands
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)  
 
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 coloradensis New Mexico Beeblossom white PF dry area close to river
Oenothera coronopifolia Crownleaf Evening Primrose white FM dry slopes, disturbed areas
Oenothera curtiflora Velvetweed pink  PF dry areas, roadsides
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 wootonii Wooton's 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 hypopithys 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)        
 
Celtis reticulata Netleaf Hackberry green PF stream sides, canyons
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 glabrata 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 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 americanus 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