Below are the flora I have observed for the first time, identified and added to the website. Click on the common name for details.
Updated in 2024
Pedicularis centranthera
Updated in 2023
Antennaria marginata
Antennaria microphylla
Centaurea macrocephala
Cyperus erythrorhizos
Cyperus odoratus
Geranium pratense
Packera paupercula
Antennaria microphylla
Centaurea macrocephala
Cyperus erythrorhizos
Cyperus odoratus
Geranium pratense
Packera paupercula
Updated in 2022
Lotus corniculatus
Potentilla rivalis
Solidago lepida
Sophora stenophylla
Potentilla rivalis
Solidago lepida
Sophora stenophylla
Updated in 2021
Allionia incarnata
Anemone cylindrica
Artemisia franserioides
Caragana arborescens
Celtis reticulata
Chrysothamnus stylosus
Conioselinum scopulorum
Crataegus rivularis
Epilobium halleanum
Eriogonum corymbosum
Erysimum cheiranthoides
Galeopsis bifida
Geum aleppicum
Geum macrophyllum
Glyceria grandis
Grindelia fastigiata
Lupinus argenteus
Malus spp.
Muhlenbergia pungens
Parryella filifolia
Pinus flexilis
Pithophora spp.
Potentilla norvegica
Ranunculus uncinatus
Rorippa palustris
Sisyrinchium demissum
Stuckenia filiformis
Triglochin palustris
Yucca angustissima
Anemone cylindrica
Artemisia franserioides
Caragana arborescens
Celtis reticulata
Chrysothamnus stylosus
Conioselinum scopulorum
Crataegus rivularis
Epilobium halleanum
Eriogonum corymbosum
Erysimum cheiranthoides
Galeopsis bifida
Geum aleppicum
Geum macrophyllum
Glyceria grandis
Grindelia fastigiata
Lupinus argenteus
Malus spp.
Muhlenbergia pungens
Parryella filifolia
Pinus flexilis
Pithophora spp.
Potentilla norvegica
Ranunculus uncinatus
Rorippa palustris
Sisyrinchium demissum
Stuckenia filiformis
Triglochin palustris
Yucca angustissima
Trailing Four O'Clock
Candle Anemone
Ragweed Sagebrush
Siberian Peashrub
Netleaf Hackberry
Pillar Rabbitbrush
Rocky Mtn Hemlock Parsley
River Hawthorn
Glandular Willowherb
Fremont's Rimrock Buckwheat
Wormseed Wallflower
Split-lip Hemp Nettle
Yellow Avens
Large-leaf Avens
American Manna Grass
Pointed Gumweed
Moab Lupine
Crab Apple
Sandhill Muhly
Common Dunebroom
Limber Pine
Filamentous Algae
Norwegian Cinquefoil
Woodland Buttercup
Bog Yellowcress
Stiff Blue-eyed Grass
Fineleaf Pondweed
Marsh Arrowgrass
Fine-Leaf Yucca
Candle Anemone
Ragweed Sagebrush
Siberian Peashrub
Netleaf Hackberry
Pillar Rabbitbrush
Rocky Mtn Hemlock Parsley
River Hawthorn
Glandular Willowherb
Fremont's Rimrock Buckwheat
Wormseed Wallflower
Split-lip Hemp Nettle
Yellow Avens
Large-leaf Avens
American Manna Grass
Pointed Gumweed
Moab Lupine
Crab Apple
Sandhill Muhly
Common Dunebroom
Limber Pine
Filamentous Algae
Norwegian Cinquefoil
Woodland Buttercup
Bog Yellowcress
Stiff Blue-eyed Grass
Fineleaf Pondweed
Marsh Arrowgrass
Fine-Leaf Yucca
Updated in 2020
Anemopsis californica
Castilleja nelsonii
Commelina erecta
Erythranthe glabrata
Isocoma pluriflora
Oenothera villosa
Poliomintha incana
Populus acuminata
Prunus armeniaca
Salix lutea
Salvia pratensis
Suaeda calceoliformis
Triglochin maritima
Castilleja nelsonii
Commelina erecta
Erythranthe glabrata
Isocoma pluriflora
Oenothera villosa
Poliomintha incana
Populus acuminata
Prunus armeniaca
Salix lutea
Salvia pratensis
Suaeda calceoliformis
Triglochin maritima
Updated in 2019
Amelanchier alnifolia
Asclepias involucrata
Asclepias latifolia
Astragalus leptocarpus
Astragalus rafaelensis
Chrysothamnus depressus
Crataegus viridis
Crepis runcinata s. glauca
Epilobium brachycarpum
Eremogone eastwoodiae
Erigeron philadelphicus
Eruca vesicaria ssp. sativa
Galium trifidum
Hedeoma drummondii
Hedysarum occidentale
Lepidium campestre
Lepidium densiflorum
Lepidium ramosissimum
Mentzelia albicaulis
Penstemon crandallii
Penstemon linarioides
Pyrrocoma uniflora
Sisyrinchium pallidum
Spartina gracilis
Symphyotrichum ciliatum
Townsendia leptotes
Vicia americana ssp. minor
Vulpia octoflora
Yucca glauca
Asclepias involucrata
Asclepias latifolia
Astragalus leptocarpus
Astragalus rafaelensis
Chrysothamnus depressus
Crataegus viridis
Crepis runcinata s. glauca
Epilobium brachycarpum
Eremogone eastwoodiae
Erigeron philadelphicus
Eruca vesicaria ssp. sativa
Galium trifidum
Hedeoma drummondii
Hedysarum occidentale
Lepidium campestre
Lepidium densiflorum
Lepidium ramosissimum
Mentzelia albicaulis
Penstemon crandallii
Penstemon linarioides
Pyrrocoma uniflora
Sisyrinchium pallidum
Spartina gracilis
Symphyotrichum ciliatum
Townsendia leptotes
Vicia americana ssp. minor
Vulpia octoflora
Yucca glauca
Western Serviceberry
Dwarf Milkweed
Broadleaf Milkweed
Slimpod Milkvetch
San Rafael Milkvetch
Low Rabbitbrush
Green Hawthorn
Smooth Hawksbeard
Tall Annual Willowherb
Eastwood's Sandwort
Philadelphia Fleabane
Rocketsalad
Threepetal Bedstraw
Drummond's Pennyroyal
Western Sweetvetch
Field Pepperweed
Common Pepperweed
Tall Whitetop
Whitestem Blazingstar
Crandall's Beardtongue
Toadflax Beardtongue
Plantain Goldenweed
Pale Blue-eyed Grass
Alkali Cordgrass
Rayless Alkali Aster
Common Townsend Daisy
American Vetch
Sixweek Fescue
Soapweed Yucca
Dwarf Milkweed
Broadleaf Milkweed
Slimpod Milkvetch
San Rafael Milkvetch
Low Rabbitbrush
Green Hawthorn
Smooth Hawksbeard
Tall Annual Willowherb
Eastwood's Sandwort
Philadelphia Fleabane
Rocketsalad
Threepetal Bedstraw
Drummond's Pennyroyal
Western Sweetvetch
Field Pepperweed
Common Pepperweed
Tall Whitetop
Whitestem Blazingstar
Crandall's Beardtongue
Toadflax Beardtongue
Plantain Goldenweed
Pale Blue-eyed Grass
Alkali Cordgrass
Rayless Alkali Aster
Common Townsend Daisy
American Vetch
Sixweek Fescue
Soapweed Yucca
Updated in 2018
Allium macropetalum
Alopecurus aequalis
Amaranthus acanthochiton
Androsace occidentalis
Artemisia campestris
Brickellia microphylla
Carex emoryi
Chenopodium dessicatum
Cryptantha fendleri
Cyperus esculentus
Echinocereus coccineus
Erigeron ursinus
Equisetum x ferrissii
Lathyrus laetivirens
Oxytropis lambertii
Pedicularis crenulata
Physaria ludoviciana
Potentilla concinna
Potentilla gracilis
Spergularia salina
Taraxacum ceratophorum
Schoenoplectus tabernaemontani
Alopecurus aequalis
Amaranthus acanthochiton
Androsace occidentalis
Artemisia campestris
Brickellia microphylla
Carex emoryi
Chenopodium dessicatum
Cryptantha fendleri
Cyperus esculentus
Echinocereus coccineus
Erigeron ursinus
Equisetum x ferrissii
Lathyrus laetivirens
Oxytropis lambertii
Pedicularis crenulata
Physaria ludoviciana
Potentilla concinna
Potentilla gracilis
Spergularia salina
Taraxacum ceratophorum
Schoenoplectus tabernaemontani
Largeflower Onion
Short-Awned Foxtail
Greenstripe
Western Rock Jasmine
Pacific Sagewort
Littleleaf Brickellbush
Emory's Sedge
Aridland Goosefoot
Sand-Dune Cat's-Eye
Yellow Nutsedge
Scarlet Hedgehog Cactus
Bear River Fleabane
Ferriss' Horsetail
Aspen Pea
Lambert Locoweed
Meadow Lousewort
Foothill Bladderpod
Elegant Cinquefoil
Slender Cinquefoil
Salt Sandspurry
Horned Dandelion
Softstem Bulrush
Short-Awned Foxtail
Greenstripe
Western Rock Jasmine
Pacific Sagewort
Littleleaf Brickellbush
Emory's Sedge
Aridland Goosefoot
Sand-Dune Cat's-Eye
Yellow Nutsedge
Scarlet Hedgehog Cactus
Bear River Fleabane
Ferriss' Horsetail
Aspen Pea
Lambert Locoweed
Meadow Lousewort
Foothill Bladderpod
Elegant Cinquefoil
Slender Cinquefoil
Salt Sandspurry
Horned Dandelion
Softstem Bulrush
Updated in 2017
Agoseris parviflora
Alopecurus arundinaceus
Alopecurus pratensis
Amphiscirpus nevadensis
Astragalus calycosus
Astragalus praelongus
Beckmannia syzigachne
Brickellia eupatorioides
Carex pellita
Carex praticola
Catalpa speciosa
Cuscuta pentagona
Danthonia parryi
Dasyochloa pulchella
Elymus hispidus
Elymus lanceolatus
Halogeton glomeratus
Hesperostipa neomexicana
Hibiscus trionum
Hymenopappus filifolious
Ipomoea purpurea
Leymus cinereus
Lorandersonia linifolia
Orobanche corymbosa
Panicum virgatum
Peritoma multicaulis
Petasites frigidus
Poa nemoralis
Pyrrocoma lanceolata
Purshia stansburyana
Rumex hymenosepalus
Sium suave
Typha domingensis
Yucca baileyi
Alopecurus arundinaceus
Alopecurus pratensis
Amphiscirpus nevadensis
Astragalus calycosus
Astragalus praelongus
Beckmannia syzigachne
Brickellia eupatorioides
Carex pellita
Carex praticola
Catalpa speciosa
Cuscuta pentagona
Danthonia parryi
Dasyochloa pulchella
Elymus hispidus
Elymus lanceolatus
Halogeton glomeratus
Hesperostipa neomexicana
Hibiscus trionum
Hymenopappus filifolious
Ipomoea purpurea
Leymus cinereus
Lorandersonia linifolia
Orobanche corymbosa
Panicum virgatum
Peritoma multicaulis
Petasites frigidus
Poa nemoralis
Pyrrocoma lanceolata
Purshia stansburyana
Rumex hymenosepalus
Sium suave
Typha domingensis
Yucca baileyi
False Agoseris
Creeping Meadow Foxtail
Meadow Foxtail
Nevada Bulrush
Torrey's Milkvetch
Ellis' Stinking Milkvetch
American Slough Grass
False Boneset
Woolly Sedge
Meadow Sedge
Northern Catalpa
Fiveangled Dodder
Parry's Oatgrass
Low Woollygrass
Intermediate Wheatgrass
Thickspike Wheatgrass
Saltlover
New Mexico Feathergrass
Venice Mallow
Fineleaf Hymenopappus
Common Morning Glory
Basin Wild Rye
Spearleaf Rabbitbrush
Flat-top Broomrape
Switchgrass
Slender Spiderflower
Arrowleaf Sweet Coltsfoot
Inland Bluegrass
Lanceleaf Goldenweed
Stansbury's Cliffrose
Canaigre Dock
Hemlock Waterparsnip
Southern Cattail
Navajo Yucca
Creeping Meadow Foxtail
Meadow Foxtail
Nevada Bulrush
Torrey's Milkvetch
Ellis' Stinking Milkvetch
American Slough Grass
False Boneset
Woolly Sedge
Meadow Sedge
Northern Catalpa
Fiveangled Dodder
Parry's Oatgrass
Low Woollygrass
Intermediate Wheatgrass
Thickspike Wheatgrass
Saltlover
New Mexico Feathergrass
Venice Mallow
Fineleaf Hymenopappus
Common Morning Glory
Basin Wild Rye
Spearleaf Rabbitbrush
Flat-top Broomrape
Switchgrass
Slender Spiderflower
Arrowleaf Sweet Coltsfoot
Inland Bluegrass
Lanceleaf Goldenweed
Stansbury's Cliffrose
Canaigre Dock
Hemlock Waterparsnip
Southern Cattail
Navajo Yucca
Updated in 2016
| Antennaria howellii | Howell's Pussytoes |
| Bidens tripartita | Three-lobed Beggarticks |
| Carex douglasii | Douglas' Sedge |
| Chrysothamnus vaseyi | Vasey's Rabbitbrush |
| Cryptantha minima | Little Cryptantha |
| Dalea lanata var. terminalis | Woolly Prairie Clover |
| Eleocharis acicularis | Needle Spikerush |
| Erigeron caespitosus | Tufted Fleabane |
| Gilia ophthalmoides | Eyed Gilia |
| Hymenopappus filifolious var. polycephalus | Manyhead Hymenopappus |
| Juniperus deppeana | Alligator Juniper |
| Lupinus plattensis | Nebraska Lupine |
| Lupinus polyphyllus var. prunophilus | Chokecherry Lupine |
| Lupinus sericeus | Silky Lupine |
| Mentzelia laciniata | Cutleaf Blazingstar |
| Microsteris gracilis | Slender Phlox |
| Palafoxia sphacelata | Othake |
| Pedicularis canadensis var. fluviatilis | Canadian Lousewort |
| Penstemon unilateralis (Penstemon virgatus) | Oneside Penstemon |
| Phaseolus angustissimus | Slimleaf Bean |
| Physalis longifolia | Longleaf Groundcherry |
| Plantago tweedyi | Tweedy's Plantain |
| Poa arctica | Arctic Bluegrass |
| Rumex pulcher | Fiddle Dock |
| Salix bebbiana | Bebb's Willow |
| Sonchus asper | Prickly Sowthistle |
| Stenotus armerioides | Thrift Mock Goldenweed |
| Tetraneuris acaulis var. acaulis | Stemless Four-nerved Daisy |
| Vinca minor | Periwinkle |
| Zigadenus venenosum | Meadow Death Camus |
August 15, 2015 update
| Aristida arizonica | Arizona Three-Awn |
| Astragalus bodinii | Bodin's Milkvetch |
| Bromus frondosus | Weeping Brome |
| Clematis hirsutissima var. scottii | Scott's Clematis |
| Elymus scribneri | Spreading Wheatgrass |
| Erigeron glabellus var. pubescens | Streamside Fleabane |
| Eriogonum cernuum | Nodding Buckwheat |
| Eriogonum umbellatum var. porteri | Porter's Sulphur Flower |
| Festuca brachyphylla subsp. Coloradensis | Colorado Fescue |
| Gentiana prostrata | Moss Gentian |
| Mertensia franciscana | Franciscan Bluebells |
| Mertensia oblongifolia | Oblongleaf Chiming Bells |
| Penstemon brandegeei | Brandegee's Penstemon |
| Puccinellia nuttalliana | Nuttall's Alkaligrass |
| Ranunculus adoneus | Snow Buttercup |
| Salix lasiandra var. caudata | Greenleaf Willow |
| Tetraneuris acaulis var. caespitosa | Goldflower |
July 2, 2015 update
| Aegilops cylindrica | Jointed Goatgrass |
| Chenopodium incanum var. elatum | Mealy Goosefoot |
| Chenopodium incanum var. incanum | Mealy Goosefoot |
| Cirsium arizonicum var. bipinnatum | Arizona Thistle |
| Cirsium neomexicanum | New Mexico Thistle |
| Erysimum inconspicuum | Shy Wallflower |
| Malacothrix sonchoides | Sowthistle Desert Dandelion |
| Salix gooddingii | Goodding's Black Willow |
| Sphaeralcea hastulata | Spear Globemallow |
June 11, 2015 update
| Aletes sessiliflorus | Sessileflower Indian Parsley |
| Astragalus amphioxys | Crescent Milkvetch |
| Astragalus ceramicus var. ceramicus | Painted Milkvetch |
| Boechera gracilenta | Selby's Rockcress |
| Calochortus nuttallii | Nuttall's Mariposa Lily |
| Cymopterus glomeratus | Fendler's Springparsley |
| Dalea jamesii | James' Prairie Clover |
| Echinocereus fendleri | Pinkflower Hedgehog Cactus |
| Erigeron concinnus | Navajo Fleabane |
| Linum puberulum | Plains Flax |
| Packera multilobata | Lobeleaf Groundsel |
| Penstemon ophianthus | Coiled Anther Penstemon |
| Penstemon saxosorum | Upland Penstemon |
| Physaria intermedia | Mid-Bladderpod |
| Sphaeralcea fendleri | Fendler's Globemallow |
| Townsendia incana | Hoary Townsend Daisy |
| Vesper montanus | Mountain Spring Parsley |
November 4, 2014 update
| Acroptilon repens (Centaurea repens) | Russian Knapweed |
| Ajuga reptans | Common Bugle |
| Allium textile | White Wild Onion |
| Arida parviflora (Machaeranthera parviflora) | Small-flower Tansyaster |
| Andropogon hallii | Sand Bluestem |
| Artemisia bigelovii | Bigelow Sagebrush |
| Artemisia laciniata subsp. parryi | Parry's Wormwood |
| Artemisia ludoviciana ssp. albula | White Sagebrush |
| Astragalus nuttallianus var. micranthiformis | Turkeypeas |
| Atriplex heterosperma (A. micrantha) | Saltbush |
| Boechera pallidifolia (Arabis pallidifolia) | Gunnison County Rockcress |
| Brickellia brachyphylla | Plumed Brickellbush |
| Bromus secalinus | Rye Brome |
| Calamagrostis canadensis | Bluejoint |
| Carex hassei | Salt Sedge |
| Carex nebrascensis | Nebraska Sedge |
| Chamaesyce fendleri | Fendler's Sandmat |
| Chenopodium glaucum var. salinum | Oak-leaf Goosefoot |
| Chenopodium neomexicanum | New Mexico Goosefoot |
| Chenopodium pratericola | Desert Goosefoot |
| Cryptantha fulvocanescens | Tawny Cryptantha |
| Chrysothamnus greenei | Greene's Rabbitbrush |
| Descurainia obtusa | Blunt Tansymustard |
| Dieteria asteroides var. asteroides | Fall Tansyaster |
| Distichlis spicata | Saltgrass |
| Draba rectifructa | Mountain Draba |
| Ephedra torreyana var. torreyana | Torrey's Jointfir |
| Eriogonum corymbosum var. velutinum | Crispleaf Buckwheat |
| Eriogonum effusum | Spreading Buckwheat |
| Festuca arundinacea | Tall Fescue |
| Grindelia nuda var. aphanactis | Curlytop Gumweed |
| Helianthus microcephalus | Small Woodland Sunflower |
| Helianthus pauciflorus | Stiff Sunflower |
| Houstonia rubra | Red Bluet |
| Hymenoxys richardsonii var. floribunda | Colorado Rubberweed |
| Ipomopsis multiflora | Manyflowered Gilia |
| Juncus alpinoarticulatus (J. alpinus) | Alpine Rush |
| Juncus arcticus var. mexicanus | Mexican Rush |
| Juncus articulatus | Jointleaf Rush |
| Juncus saximontanus | Rocky Mountain Rush |
| Lappula occidentalis var. cupulata | Flatspine Stickseed |
| Lappula squarrosa | European Stickseed |
| Lepidium alyssoides | Mesa Pepperwort |
| Lepidium latifolium | Broadleaved Pepperweed |
| Lycium pallidum | Pale Wolfberry |
| Machaeranthera tanacetifolia | Tanseyleaf Tansy Aster |
| Mentzelia rusbyi | Rusby's Blazingstar |
| Muhlenbergia thurberi | Thurber's Muhly |
| Nama hispidum | Bristly Nama |
| Neokochia americana | Green Molly |
| Oenothera neomexicana | New Mexico Evening Primrose |
| Oonopsis foliosa var. foliosa (Pyrrocoma foliosa) | Leafy False Goldenweed |
| Orobanche ludoviciana ssp. multiflora | Manyflower Broomrape |
| Paronychia pulvinata | Alpine Nailwort |
| Penstemon auriberbis | Colorado Penstemon |
| Penstemon virens | Front Range Penstemon |
| Persicaria lapathifolia | Curlytop Knotweed |
| Phacelia crenulata | Cleftleaf Wildheliotrope |
| Phleum alpinum | Alpine Timothy |
| Physaria fendleri | Fendler's Bladderpod |
| Physaria gordonii (Lesquerella gordonii) | Gordon's Bladderpod |
| Physaria rectipes ( Lesquerella rectipes) | Straight Bladderpod |
| Plantago patagonica | Woolly Plantain |
| Prunus americana | Wild Plum |
| Ranunculus cymbalaria | Alkali Buttercup |
| Ribes aureum | Golden Currant |
| Rumex occidentalis | Western Dock |
| Salix babylonica | Weeping Willow |
| Salix laevigata (Salix bonplandiana var. laevigata) | Red Willow |
| Salix scouleriana | Scouler's Willow |
| Scutellaria brittonii | Britton's Skullcap |
| Sphaeralcea grossulariifolia | Gooseberryleaf Globemallow |
| Sporobolus contractus | Spike Dropseed |
| Tetraneuris ivesiana | Ives' Four-nerved Daisy |
| Thelesperma subnudum | Navajo Tea |
| Thelypodiopsis purpusii | Purpus' Tumblemustard |
| Thelypodium integrifolium | Entireleaved Thelypody |
| Townsendia annua | Annual Townsend Daisy |
| Townsendia fendleri | Fendler's Townsend Daisy |
| Tripterocalyx micranthus | Small-Flower Sand Puffs |
| Xanthisma spinulosum var. spinulosum | Spiny Goldenweed |
January 3, 2014 update
| Abronia fragrans | Snowball Sand Verbena |
| Apodanthera undulata | Melon Loco |
| Artemisia filifolia | Sand Sagebrush |
| Artemisia nova | Black Sagebrush |
| Bouteloua barbata | Sixweeks Grama |
| Carex ebenea | Ebony Sedge |
| Chamaesyce chaetocalyx var. chaetocalyx | Bristlecup Sandmat |
| Chilopsis linearis | Desert Willow |
| Comandra umbellata | Bastard Toadflax |
| Crepis runcinata | Barber's Hawksbeard |
| Cryptantha virgata | Miner's Candle |
| Epilobium hornemannii | Hornemann's Willowherb |
| Eriogonum leptophyllum | Slenderleaf Buckwheat |
| Fallopia baldschuanica | Russian Vine |
| Gaura neomexicana | New Mexico Beeblossom |
| Heterotheca villosa var. nana | Hairy Golden Aster |
| Juncus arcticus ssp littoralis | Mountain Rush |
| Liatris punctata var. mexicana | Mexican Gayfeather |
| Lupinus parviflorus | Lodgepole Lupine |
| Lycopus americanus | Water Horehound |
| Packera mancosana | Mancos Shale Packera |
| Paspalum dilatatum | Dallisgrass |
| Penstemon alpinus | Alpine Sawsepal Penstemon |
| Penstemon angustifolius | Narrow-Leaved Penstemon |
| Penstemon crandallii | Crandall's Beardtongue |
| Penstemon comarrhenus | Dusty Beardtongue |
| Persicaria maculosa | Spotted Lady's-thumb |
| Phacelia glandulosa | Glandular Phacelia |
| Potentilla paradoxa | Paradox Cinquefoil |
| Psoralidium tenuiflorum | Slimflower Scurfpea |
| Rhus glabra | Smooth Sumac |
| Salix exigua | Coyote Willow |
| Sarcobatus vermiculatus | Greasewood |
| Senecio wootonii | Wooton's Ragwort |
| Sorghastrum nutans | Indiangrass |
| Symphyotrichum divaricatum | Southern Salt Marsh Aster |
| Symphyotrichum oblongifolium | Aromatic Aster |
| Symphyotrichum spathulatum | Western Mountain Aster |
| Ulmus pumila | Siberian Elm |
| Verbena macdougalii | MacDougal Verbena |
| Viburnum opulus | Snowball Tree |
| Viola adunca var. bellidifolia | Mountain Blue Violet |
November 23, 2012 update
| Carex aquatilis | Water Sedge |
| Carex phaeocephala | Dunhead Sedge |
| Castilleja minor | Lesser Indian Paintbrush |
| Centaurium arizonicum | Arizona Centaury |
| Dimorphocarpa wislizenii | Spectacle Pod |
| Elymus elongatus | Tall Wheatgrass |
| Epilobium ciliatum | Fringed Willowherb |
| Erigeron bellidiastrum | Western Daisy Fleabane |
| Erigeron utahensis | Utah Daisy |
| Eriogonum annuum | Annual Buckwheat |
| Eriogonum microthecum | Slender Buckwheat |
| Grayia spinosa | Spiny Hopsage |
| Helianthus nuttallii | Nuttall's Sunflower |
| Hesperostipa comata | Needle-and-Thread Grass |
| Juncus drummondii | Drummond's Rush |
| Juncus mertensianus | Mertens' Rush |
| Juncus torreyi | Torrey's Rush |
| Linum aristatum | Bristle Flax |
| Oenothera longissima | Longstem Evening Primrose |
| Penstemon eatonii | Firecracker Penstemon |
| Penstemon hallii | Hall's Penstemon |
| Polypogon monspeliensis | Annual Rabbitsfoot Grass |
| Schoenoplectus pungens | Three Square |
| Shepherdia argentea | Silver Buffaloberry |
| Sonchus arvensis glabrescens | Field Sowthistle |
| Sphaeralcea parvifolia | Smallflower Globemallow |
| Sphaerophysa salsula | Swainsonpea |
| Spiranthes magnicamporum | Great Plains Lady's Tresses |
| Sisymbrium officinale | Hedge Mustard |
| Stanleya pinnata | Prince's Plume |
| Thelypodium wrightii | Wright's Thelypody |
| Typha angustifolia | Narrowleaved Cattail |
January 29, 2012 update
| Achnatherum hymenoides | Indian Ricegrass |
| Agropyron desertorum | Desert Wheatgrass |
| Andropogon gerardii | Big Bluestem |
| Aristida purpurea var. longiseta | Red Three-Awn |
| Blepharoneuron tricholepis | Pine Dropseed |
| Bothriochloa barbinodis | Cane Bluestem |
| Bothriochloa laguroides | Silver Bluestem |
| Bouteloua curtipendula | Side-oats Grama |
| Bouteloua eriopoda | Black Grama |
| Bouteloua gracilis | Blue Grama |
| Bouteloua hirsuta | Hairy Grama |
| Bromus catharticus | Rescue Grass |
| Bromus inermis | Smooth Brome |
| Bromus tectorum | Downy Brome |
| Buchloe dactyloides | Buffalo Grass |
| Carex microptera | Smallwing Sedge |
| Cenchrus longispinus | Sandbur |
| Chloris verticillata | Windmill Grass |
| Chloris virgata | Feather Fingergrass |
| Dactylis glomerata | Orchard Grass |
| Danthonia intermedia | Timber Oatgrass |
| Echinochloa crus-galli | Barnyard Grass |
| Echinochloa muricata var. microstachya | Rough Barnyard Grass |
| Eleocharis palustris | Common Spikerush |
| Elymus canadensis | Canada Wild Rye |
| Elymus longifolius | Squirreltail |
| Elymus repens | Quackgrass |
| Elymus smithii | Western Wheatgrass |
| Elymus trachycaulus | Slender Wheatgrass |
| Eragrostis cilianensis | Stinking Lovegrass |
| Festuca thurberi | Thurber's Fescue |
| Hordeum jubatum | Foxtail Barley |
| Hordeum vulgare | Barley |
| Juncus triglumis var. albescens | Northern White Rush |
| Koeleria macrantha | Junegrass |
| Luzula parviflora | Smallflowered Woodrush |
| Muhlenbergia asperiflora | Scratchgrass |
| Muhlenbergia montana | Mountain Muhly |
| Muhlenbergia torreyi | Ring Muhly |
| Munroa squarrosa | False Buffalo Grass |
| Panicum capillare | Witchgrass |
| Phalaris arundinacea | Reed Canary Grass |
| Phleum pratense | Timothy |
| Pleuraphis jamesii | Galleta |
| Poa fendleriana | Muttongrass |
| Poa pratensis | Kentucky Bluegrass |
| Schizachyrium scoparium | Little Bluestem |
| Schoenoplectus acutus | Hardstem Bulrush |
| Setaria pumila | Yellow Foxtail |
| Setaria viridis | Green Bristlegrass |
| Sorghum bicolor | Grain Sorghum |
| Sporobolus cryptandrus | Sand Dropseed |
| Trisetum spicatum | Spike Trisetum |
| Typha latifolia | Common Cattail |
January 10, 2012 update
| Ambrosia acanthicarpa | Flatspine Bur Ragweed |
| Ambrosia artemisiifolia | Common Ragweed |
| Ambrosia tomentosa | Skeletonleaf Bursage |
| Anoda cristata | Spurred Anoda |
| Arceuthobium vaginatum | Dwarf Mistletoe |
| Astragalus miser | Timber Milkvetch |
| Astragalus molybdenus | Leadville Milkvetch |
| Bidens tenuisecta | Slimlobe Beggarticks |
| Chenopodium fremontii | Fremont's Goosefoot |
| Erigeron vetensis | Early Bluetop Fleabane |
| Eriogonum lonchophyllum | Spearleaf Buckwheat |
| Eriogonum ovalifolium | Cushion Buckwheat |
| Forestiera pubescens | New Mexico Olive |
| Grindelia inornata | Colorado Gumweed |
| Helianthella uniflora | One-flowered Sunflower |
| Jamesia americana | Cliffbush |
| Lamium amplexicaule | Henbit |
| Lithospermum multiflorum | Manyflowered Puccoon |
| Lobelia cardinalis | Cardinal Flower |
| Lotus wrightii | Wright's Deervetch |
| Nama dichotomum | Wishbone Fiddleleaf |
| Oxalis stricta | Yellow Wood Sorrel |
| Pectis angustifolia | Lemonscent |
| Pectis papposa | Manybristle Chinchweed |
| Physalis hederifolia var. fendleri | Ivyleaf Groundcherry |
| Ranunculus macounii | Macoun's Buttercup |
| Salvia subincisa | Sawtooth Sage |
| Sanvitalia abertii | Abert's Dome |
| Saponaria officinalis | Bouncing Bet |
| Solanum jamesii | Wild Potato |
| Solanum nigrum | Black Nightshade |
| Solanum rostratum | Buffalo Bur |
| Solidago nemoralis var. longipetiolata | Gray Goldenrod |
| Sonchus oleraceus | Common Sowthistle |
| Thermopsis pinetorum | Golden Pea |
| Valeriana arizonica | Arizona Valerian |
| Xanthisma gracile | Slender Goldenweed |
January 17, 2011 update
| Berlandiera lyrata | Chocolate Flower |
| Berula erecta | Cutleaf Waterparsnip |
| Brickellia eupatorioides var. corymbulosa | False Boneset |
| Ceanothus fendleri | Fendler's Buckbrush |
| Cordylanthus wrightii | Bird's Beak |
| Erigeron eximius | Sprucefir Fleabane |
| Helianthus annuus | Common Sunflower |
| Humulus lupulus | Wild Hops |
| Krascheninnikovia lanata | Winterfat |
| Lactuca ludoviciana | Biannual Lettuce |
| Melampodium leucanthum | Plains Blackfoot |
| Mirabilis oxybaphoides | Trailing Four O'Clock |
| Nepeta cataria | Catnip |
| Phoradendron juniperinum | Juniper Mistletoe |
| Physocarpus monogynus | Ninebark |
| Pseudognaphalium canescens | Wright's Cudweed |
| Pseudognaphalium macounii | Macoun's Cudweed |
| Toxicodendron radicans | Poison Ivy |
| Tradescantia occidentalis | Western Spiderwort |
| Vitis arizonica | Canyon Grape |
August 10, 2010 update
| Achillea alpicola | Alpine Yarrow |
| Apocynum cannabinum | Indian Hemp |
| Asclepias engelmanniana | Engelmann's Milkweed |
| Asclepias tuberosa | Butterfly Weed |
| Astragalus gracilis | Slender Milkvetch |
| Astragalus naturitensis | Naturita Milkvetch |
| Cirsium parryi | Parry's Thistle |
| Cryptantha pterocarya | Wingnut Cryptantha |
| Equisetum hyemale | Common Scouring Rush |
| Erigeron compositus | Cut-leafed Daisy |
| Erigeron compositus var discoideus | Gold Buttons |
| Erigeron formosissimus | Beautiful Fleabane |
| Erigeron lonchophyllus | Shortray Fleabane |
| Erigeron pulcherrimus | Basin Fleabane |
| Hippuris vulgaris | Mare's Tail |
| Packera pseudoaurea | Falsegold Groundsel |
| Pyrrocoma clementis | Tranquil Goldenweed |
June 21, 2010 update
| Amelanchier utahensis | Utah Serviceberry |
| Arabis fendleri | Fendler's Rockcress |
| Asclepias nummularia | Tufted Milkweed |
| Astragalus bisulcatus | Two-Grooved Milkvetch |
| Astragalus laxmannii | Laxmann's Milkvetch |
| Astragalus lentiginosus | Freckled Milkvetch |
| Astragalus mollissimus | Woolly Milkvetch |
| Astragalus newberryi | Newberry's Milkvetch |
| Astragalus nuttallianus | Small-flowered Milkvetch |
| Caulanthus spp | Wild Cabbage |
| Cleome lutea | Yellow Beeplant |
| Corydalis curvisiliqua | Curvepod Fumewort |
| Cryptantha crassisepala | Thicksepal Cryptantha |
| Cymopterus bulbosus | Wafer-Parsnip |
| Descurainia richardsonii | Mountain Tansymustard |
| Eriogonum bicolor | Pretty Buckwheat |
| Euphorbia cyparissias | Cypress Spurge |
| Fraxinus anomola | Single Leaf Ash |
| Giliastrum acerosum | Spiny Blue Bowls |
| Hedysarum boreale | Utah Sweetvetch |
| Ipomopsis pumila | Dwarf Ipomopsis |
| Lupinus pusillus | Rusty Lupine |
| Oreocarya flava | Yellow Cryptantha |
| Penstemon osterhoutii | Osterhout's Beardtongue |
| Penstemon utahensis | Utah Penstemon |
| Phacelia integrifolia | Gypsum Scorpionweed |
| Phlox longifolia | Longleaf Phlox |
| Physaria vitulifera | Fiddleleaf Twinpod |
| Scorzonera laciniata | False Salsify |
| Streptanthella longirostris | Little Twistflower |
| Townsendia exscapa | Stemless Townsend Daisy |
The website was launched on November 4, 2009