Native plants · Wyoming
Native plants of Converse County
312 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Converse County by USDA PLANTS. 172 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 3 more species are listed as both native and introduced and kept in a separate section.
County summary · USDA PLANTS and Kew WCVP
Converse County, Wyoming
- Native species
- 312 Typical Wyoming county: 414 (median of 23 counties)
- Garden-ready natives
- 172 Typical Wyoming county: 243
- Share by type (all 312 native species)
-
Percent of the 312 native species in each growth type
Wildflowers make up the largest share of the native list (61%), followed by grasses and grass-like plants (18%).
The native plant list
Garden-ready natives 172
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| Plant | Type | Height | Light | Water use | Hardy to |
|---|---|---|---|---|---|
| alderleaf mountain mahogany Cercocarpus montanus | Tree | 15 ft | Sun–part shade | Low | Zone 3a |
| alkali buttercup Ranunculus cymbalaria | Wildflower (forb) | 1 ft | Shade-tolerant | High | Zone 3b |
| alkali cordgrass Spartina gracilis | Grass or grass-like | 3 ft | Sun | Medium | Zone 3b |
| alkali sacaton Sporobolus airoides | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| American bistort Polygonum bistortoides | Wildflower (forb) | 1.5 ft | Sun | High | Zone 3b |
| American licorice Glycyrrhiza lepidota | Wildflower (forb) | 4 ft | Sun–part shade | High | Zone 3b |
| American vetch Vicia americana | Vine | 1.3 ft | Sun | Low | Zone 3b |
| American water horehound Lycopus americanus | Wildflower (forb) | 1.8 ft | Shade-tolerant | High | Zone 3b |
| antelope bitterbrush Purshia tridentata | Shrub | 6 ft | Sun–part shade | Low | Zone 3b |
| arctic sweet coltsfoot Petasites frigidus | Wildflower (forb) | 10 in | Sun–part shade | High | Zone 3b |
| arrowleaf balsamroot Balsamorhiza sagittata | Wildflower (forb) | 2 ft | Sun–part shade | Medium | Zone 3b |
| arumleaf arrowhead Sagittaria cuneata | Wildflower (forb) | 2.6 ft | Sun | Medium | Zone 4a |
| basin wildrye Leymus cinereus | Grass or grass-like | 5 ft | Sun | High | Zone 3a |
| big sagebrush Artemisia tridentata | Tree | 4 ft | Sun | Medium | Zone 3a |
| black sagebrush Artemisia nova | Shrub | 2 ft | Sun | Low | Zone 5a |
| blackeyed Susan Rudbeckia hirta | Wildflower (forb) | 1 ft | Sun | Medium | Zone 5a |
| blanketflower Gaillardia aristata | Wildflower (forb) | 2 ft | Sun | Medium | Zone 4a |
| blue grama Bouteloua gracilis | Grass or grass-like | 1 ft | Sun | Medium | Zone 3a |
| bluebunch wheatgrass Pseudoroegneria spicata | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| boxelder Acer negundo | Tree | 60 ft | Shade-tolerant | Medium | Zone 2b |
| broadbeard beardtongue Penstemon angustifolius | Wildflower (forb) | 3 ft | Sun | Low | Zone 4b |
| broadleaf cattail Typha latifolia | Wildflower (forb) | 5 ft | Sun–part shade | High | Zone 3b |
| broom snakeweed Gutierrezia sarothrae | Shrub | 1.5 ft | Sun | Medium | Zone 3b |
| Canada goldenrod Solidago canadensis | Wildflower (forb) | 3.5 ft | Sun | Medium | Zone 3a |
| Canada wildrye Elymus canadensis | Grass or grass-like | 3 ft | Shade-tolerant | Medium | Zone 3a |
| Canadian horseweed Conyza canadensis | Wildflower (forb) | 5 ft | Sun | Medium | Zone 12b |
| Canadian milkvetch Astragalus canadensis | Wildflower (forb) | 6 in | Sun | Medium | Zone 3b |
| chokecherry Prunus virginiana | Tree | 25 ft | Sun | Medium | Zone 3a |
| clustered field sedge Carex praegracilis | Grass or grass-like | 2 ft | Sun–part shade | Medium | Zone 3b |
| common cowparsnip Heracleum maximum | Wildflower (forb) | 8 ft | Sun | High | Zone 3b |
| common juniper Juniperus communis | Tree | 10 ft | Sun | Low | Zone 3a |
| common snowberry Symphoricarpos albus | Shrub | 3 ft | Sun | Medium | Zone 3b |
| common spikerush Eleocharis palustris | Grass or grass-like | 1.3 ft | Sun | High | Zone 3b |
| common threesquare Schoenoplectus pungens | Grass or grass-like | 4.9 ft | Sun | High | Zone 3b |
| creeping barberry Mahonia repens | Shrub | 2 ft | Shade-tolerant | Medium | Zone 5a |
| crested pricklypoppy Argemone polyanthemos | Wildflower (forb) | 3 ft | Sun | Low | Zone 5a |
| cutleaf coneflower Rudbeckia laciniata | Wildflower (forb) | 8.2 ft | Shade-tolerant | Low | Zone 3b |
| darkthroat shootingstar Dodecatheon pulchellum | Wildflower (forb) | 2 ft | Sun–part shade | Medium | Zone 4a |
| dewystem willow Salix irrorata | Shrub | 6 ft | — | — | Zone 2a |
| dotted blazing star Liatris punctata | Wildflower (forb) | 2 ft | Sun | Medium | Zone 3a |
| Douglas' dustymaiden Chaenactis douglasii | Wildflower (forb) | 1.6 ft | Sun–part shade | Low | Zone 3b |
| Douglas' sedge Carex douglasii | Grass or grass-like | 1.5 ft | Sun | Medium | Zone 4a |
| downy paintedcup Castilleja sessiliflora | Wildflower (forb) | 1.3 ft | Sun | Low | Zone 3b |
| eastern cottonwood Populus deltoides | Tree | 190 ft | Sun | High | Zone 3a |
| elephanthead lousewort Pedicularis groenlandica | Wildflower (forb) | 2.5 ft | Sun–part shade | High | Zone 4a |
| Engelmann spruce Picea engelmannii | Tree | 120 ft | Shade-tolerant | Medium | Zone 2a |
| field horsetail Equisetum arvense | Fern | 11 in | Sun–part shade | High | Zone 3a |
| foothill arnica Arnica fulgens | Wildflower (forb) | 2 ft | Shade-tolerant | Medium | Zone 4b |
| fourwing saltbush Atriplex canescens | Shrub | 4 ft | Sun | Medium | Zone 3a |
| fowl bluegrass Poa palustris | Grass or grass-like | 4 ft | Sun–part shade | Medium | Zone 3b |
| fowl mannagrass Glyceria striata | Grass or grass-like | 5.7 ft | Shade-tolerant | Medium | Zone 3b |
| Gardner's saltbush Atriplex gardneri | Shrub | 4 ft | Sun | Low | Zone 3b |
| golden currant Ribes aureum | Shrub | 10 ft | Sun–part shade | Low | Zone 3b |
| granite prickly phlox Linanthus pungens | Wildflower (forb) | 2 ft | Shade-tolerant | Low | Zone 4a |
| greasewood Sarcobatus vermiculatus | Shrub | 10 ft | Sun | Low | Zone 3b |
| green needlegrass Nassella viridula | Grass or grass-like | 2 ft | Sun | Low | Zone 3b |
| Greene's mountain ash Sorbus scopulina | Tree | 12 ft | Sun–part shade | Medium | Zone 7a |
| hairy false goldenaster Heterotheca villosa | Wildflower (forb) | 3 ft | Sun | Low | Zone 4a |
| heartleaf arnica Arnica cordifolia | Wildflower (forb) | 1.5 ft | Shade-tolerant | High | Zone 4b |
| Idaho blue-eyed grass Sisyrinchium idahoense | Wildflower (forb) | 1.7 ft | Shade-tolerant | High | Zone 3b |
| Indian ricegrass Achnatherum hymenoides | Grass or grass-like | 2 ft | Sun | Low | Zone 3a |
| Indianhemp Apocynum cannabinum | Wildflower (forb) | 3.3 ft | Sun–part shade | High | Zone 3a |
| inland rush Juncus interior | Grass or grass-like | 3 ft | Sun–part shade | Medium | Zone 3b |
| lambstongue ragwort Senecio integerrimus | Wildflower (forb) | 1.1 ft | Sun–part shade | Medium | Zone 3b |
| largeflower hawksbeard Crepis occidentalis | Wildflower (forb) | 11 in | Sun | Low | Zone 5a |
| leadplant Amorpha canescens | Shrub | 4 ft | Shade-tolerant | Low | Zone 3b |
| lemonscent Pectis angustifolia | Wildflower (forb) | 8 in | Sun | Low | Zone 5a |
| Lewis flax Linum lewisii | Wildflower (forb) | 2.5 ft | Sun | Medium | Zone 3b |
| little barley Hordeum pusillum | Grass or grass-like | 1.2 ft | Sun | Medium | Zone 10b |
| lodgepole pine Pinus contorta | Tree | 99 ft | Sun | Medium | Zone 1a |
| Macoun's buttercup Ranunculus macounii | Wildflower (forb) | 1 ft | Sun | — | Zone 1a |
| maiden blue eyed Mary Collinsia parviflora | Wildflower (forb) | 1 ft | Shade-tolerant | Medium | Zone 4a |
| mat muhly Muhlenbergia richardsonis | Grass or grass-like | 6 in | Sun | High | Zone 4b |
| miner's lettuce Claytonia perfoliata | Wildflower (forb) | 1 ft | Shade-tolerant | Medium | Zone 12b |
| Missouri goldenrod Solidago missouriensis | Wildflower (forb) | 3 ft | Sun–part shade | Low | Zone 3b |
| Modoc hawksbeard Crepis modocensis | Wildflower (forb) | 1.4 ft | Sun | Low | Zone 4b |
| mountain brome Bromus marginatus | Grass or grass-like | 4 ft | Sun | High | Zone 4b |
| mule-ears Wyethia amplexicaulis | Wildflower (forb) | 2.5 ft | Sun | Medium | Zone 3b |
| narrowleaf cottonwood Populus angustifolia | Tree | 60 ft | Sun | High | Zone 4b |
| narrowleaf willow Salix exigua | Tree | 10 ft | Sun–part shade | High | Zone 3b |
| Nebraska sedge Carex nebrascensis | Grass or grass-like | 3 ft | Sun | High | Zone 3b |
| needle and thread Hesperostipa comata | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| northern bedstraw Galium boreale | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 4a |
| Nuttall's alkaligrass Puccinellia nuttalliana | Grass or grass-like | 10 in | Sun | Medium | Zone 3b |
| Nuttall's povertyweed Monolepis nuttalliana | Wildflower (forb) | 10 in | Sun | Medium | Zone 12a |
| Nuttall's sunflower Helianthus nuttallii | Wildflower (forb) | 10 ft | Sun | Medium | Zone 3b |
| old man's whiskers Geum triflorum | Wildflower (forb) | 1.5 ft | Sun–part shade | Medium | Zone 3b |
| pale agoseris Agoseris glauca | Shrub | 1 ft | Sun | Medium | Zone 4a |
| panicled bulrush Scirpus microcarpus | Grass or grass-like | 5.5 ft | Sun | Medium | Zone 3b |
| peachleaf willow Salix amygdaloides | Tree | 60 ft | Sun | High | Zone 4a |
| plains pricklypear Opuntia polyacantha | Shrub | 2 ft | Sun | Low | Zone 4b |
| prairie cordgrass Spartina pectinata | Grass or grass-like | 8 ft | Sun | High | Zone 3b |
| prairie Junegrass Koeleria macrantha | Grass or grass-like | 1.5 ft | Shade-tolerant | High | Zone 3b |
| prairie sagewort Artemisia frigida | Shrub | 2 ft | Sun–part shade | Low | Zone 3a |
| prairie sandreed Calamovilfa longifolia | Grass or grass-like | 4.5 ft | Sun | Medium | Zone 3b |
| purple locoweed Oxytropis lambertii | Wildflower (forb) | 1.4 ft | Sun | Low | Zone 3b |
| purple prairie clover Dalea purpurea | Wildflower (forb) | 3 ft | Sun | Medium | Zone 3b |
| pussy willow Salix discolor | Tree | 40 ft | Shade-tolerant | High | Zone 4a |
| quaking aspen Populus tremuloides | Tree | 65 ft | Sun | High | Zone 1a |
| Richardson's geranium Geranium richardsonii | Wildflower (forb) | 3 ft | Sun–part shade | High | Zone 3b |
| roadside agrimony Agrimonia striata | Wildflower (forb) | 6 ft | Shade-tolerant | Medium | Zone 3a |
| Rocky Mountain beeplant Cleome serrulata | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 12b |
| Rocky Mountain iris Iris missouriensis | Wildflower (forb) | 1 ft | Sun–part shade | High | Zone 4b |
| Rocky Mountain juniper Juniperus scopulorum | Tree | 50 ft | Sun | Low | Zone 3b |
| Rocky Mountain maple Acer glabrum | Tree | 30 ft | Sun–part shade | Low | Zone 3a |
| rough bugleweed Lycopus asper | Wildflower (forb) | 2.1 ft | Shade-tolerant | High | Zone 3b |
| rubber rabbitbrush Ericameria nauseosa | Shrub | 4 ft | Sun | Medium | Zone 3b |
| sago pondweed Stuckenia pectinata | Wildflower (forb) | — | Sun | High | Zone 3b |
| saltgrass Distichlis spicata | Grass or grass-like | 1.1 ft | Sun | Medium | Zone 3b |
| sand dropseed Sporobolus cryptandrus | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| sandbar willow Salix interior | Tree | 30 ft | Sun | — | Zone 1a |
| Sandberg bluegrass Poa secunda | Grass or grass-like | 1.4 ft | Sun–part shade | Low | Zone 3b |
| sandcherry Prunus pumila | Shrub | 6 ft | Shade-tolerant | Low | Zone 4a |
| sanddune wallflower Erysimum capitatum | Wildflower (forb) | 2.5 ft | Sun | Medium | Zone 4b |
| Saskatoon serviceberry Amelanchier alnifolia | Tree | 15 ft | Sun–part shade | Medium | Zone 1a |
| sawsepal penstemon Penstemon glaber | Wildflower (forb) | 2 ft | Sun | Medium | Zone 3b |
| scarlet gilia Ipomopsis aggregata | Wildflower (forb) | 3 ft | Sun | Low | Zone 5b |
| scarlet globemallow Sphaeralcea coccinea | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 5a |
| Scouler's willow Salix scouleriana | Tree | 50 ft | Sun–part shade | High | Zone 6a |
| scratchgrass Muhlenbergia asperifolia | Grass or grass-like | 2 ft | Shade-tolerant | High | Zone 5b |
| seep monkeyflower Mimulus guttatus | Wildflower (forb) | 2.5 ft | Shade-tolerant | High | Zone 3b |
| shining willow Salix lucida | Tree | 13 ft | Sun–part shade | High | Zone 3a |
| showy milkweed Asclepias speciosa | Wildflower (forb) | 6 ft | Sun | Medium | Zone 4a |
| shrubby cinquefoil Dasiphora fruticosa | Shrub | 2.5 ft | Sun–part shade | Low | Zone 4b |
| silver buffaloberry Shepherdia argentea | Tree | 18 ft | Sun–part shade | Medium | Zone 3b |
| silver sagebrush Artemisia cana | Shrub | 5 ft | Sun | Low | Zone 3a |
| silverleaf phacelia Phacelia hastata | Wildflower (forb) | 2 ft | Sun–part shade | Medium | Zone 3b |
| silverweed cinquefoil Argentina anserina | Wildflower (forb) | 6 in | Shade-tolerant | High | Zone 5a |
| silvery lupine Lupinus argenteus | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 3a |
| silvery sedge Carex canescens | Grass or grass-like | 2 ft | Sun–part shade | High | Zone 4a |
| skunkbush sumac Rhus trilobata | Shrub | 4 ft | Sun–part shade | Low | Zone 2a |
| slender cinquefoil Potentilla gracilis | Wildflower (forb) | 2.4 ft | Sun | Low | Zone 3a |
| slender wheatgrass Elymus trachycaulus | Grass or grass-like | 3 ft | Sun | Medium | Zone 3b |
| smooth horsetail Equisetum laevigatum | Fern | 5 ft | Sun | Low | Zone 3b |
| soapweed yucca Yucca glauca | Shrub | 1 ft | Sun | Low | Zone 4b |
| softstem bulrush Schoenoplectus tabernaemontani | Grass or grass-like | 9 ft | Sun | High | Zone 3b |
| spineless horsebrush Tetradymia canescens | Shrub | 4 ft | Sun | Low | Zone 9a |
| spreading yellowcress Rorippa sinuata | Wildflower (forb) | 1 ft | Sun | Medium | Zone 3b |
| squirreltail Elymus elymoides | Grass or grass-like | 1.5 ft | Sun | Low | Zone 3a |
| sticky purple geranium Geranium viscosissimum | Wildflower (forb) | 3 ft | Shade-tolerant | Low | Zone 6a |
| subalpine fir Abies lasiocarpa | Tree | 90 ft | Shade-tolerant | Medium | Zone 2a |
| sulphur-flower buckwheat Eriogonum umbellatum | Shrub | 1 ft | Sun | Low | Zone 8a |
| switchgrass Panicum virgatum | Grass or grass-like | 5 ft | Sun | Medium | Zone 3a |
| tall fringed bluebells Mertensia ciliata | Wildflower (forb) | 2 ft | Sun–part shade | High | Zone 5a |
| tanseyleaf tansyaster Machaeranthera tanacetifolia | Wildflower (forb) | 2 ft | Sun | Medium | Zone 4a |
| textile onion Allium textile | Wildflower (forb) | 1 ft | Sun–part shade | Medium | Zone 3b |
| thickspike wheatgrass Elymus lanceolatus | Grass or grass-like | 2.3 ft | Sun | Low | Zone 3b |
| threadleaf sedge Carex filifolia | Grass or grass-like | 1.2 ft | Sun | Low | Zone 3b |
| thrift mock goldenweed Stenotus armerioides | Wildflower (forb) | 1 ft | Sun | Low | Zone 5a |
| Torrey's rush Juncus torreyi | Grass or grass-like | 3.1 ft | Sun | Medium | Zone 3b |
| tufted evening primrose Oenothera caespitosa | Wildflower (forb) | 6 in | Sun | Low | Zone 6a |
| upright prairie coneflower Ratibida columnifera | Wildflower (forb) | 3.1 ft | Sun | Medium | Zone 3a |
| vernal water-starwort Callitriche palustris | Wildflower (forb) | 10 in | Sun | Medium | Zone 4a |
| wavyleaf Indian paintbrush Castilleja applegatei | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 4b |
| wax currant Ribes cereum | Shrub | 3 ft | Sun | Low | Zone 5a |
| western goldentop Euthamia occidentalis | Wildflower (forb) | 6 ft | Sun | Medium | Zone 4b |
| western snowberry Symphoricarpos occidentalis | Shrub | 3 ft | Sun–part shade | Low | Zone 3b |
| western valerian Valeriana occidentalis | Wildflower (forb) | 3 ft | Sun | High | Zone 4b |
| western wheatgrass Pascopyrum smithii | Grass or grass-like | 2 ft | Sun | Medium | Zone 3a |
| western white clematis Clematis ligusticifolia | Vine | 1 ft | Sun–part shade | Medium | Zone 3b |
| Whipple's penstemon Penstemon whippleanus | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 4a |
| white prairie clover Dalea candida | Wildflower (forb) | 2 ft | Sun–part shade | Medium | Zone 3b |
| white sagebrush Artemisia ludoviciana | Wildflower (forb) | 3 ft | Sun | Low | Zone 4a |
| wild bergamot Monarda fistulosa | Wildflower (forb) | 4.9 ft | Sun–part shade | High | Zone 4a |
| winterfat Krascheninnikovia lanata | Shrub | 2 ft | Sun | Low | Zone 2a |
| Woods' rose Rosa woodsii | Shrub | 3 ft | Sun–part shade | Medium | Zone 3a |
| woolly groundsel Packera cana | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 3a |
| woolly plantain Plantago patagonica | Wildflower (forb) | 6 in | Sun | Low | Zone 12b |
| woollypod milkvetch Astragalus purshii | Wildflower (forb) | 7 in | Sun | Low | Zone 4a |
| yellow owl's-clover Orthocarpus luteus | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 12b |
| yellow rabbitbrush Chrysothamnus viscidiflorus | Shrub | 3 ft | Sun | Low | Zone 5a |
| yellow willow Salix lutea | Tree | 16 ft | Sun–part shade | High | Zone 3a |
No garden-ready natives match these filters. Try clearing one.
Other native species recorded here 140
PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.
Hidden while “Garden-ready only” is on.
- American sloughgrass Beckmannia syzigachne
- annual buckwheat Eriogonum annuum
- aridland goosefoot Chenopodium desiccatum
- Aunt Lucy Ellisia nyctelea
- ballhead ipomopsis Ipomopsis congesta
- bastard toadflax Comandra umbellata
- Bebb willow Salix bebbiana
- biannual lettuce Lactuca ludoviciana
- bigbract verbena Verbena bracteata
- blowout grass Redfieldia flexuosa
- bog yellowcress Rorippa palustris
- brook cinquefoil Potentilla rivalis
- buffalobur nightshade Solanum rostratum
- bushy knotweed Polygonum ramosissimum
- carelessweed Cyclachaena xanthiifolia
- chairmaker's bulrush Schoenoplectus americanus
- clustered broomrape Orobanche fasciculata
- common starlily Leucocrinum montanum
- Cuman ragweed Ambrosia psilostachya
- curlycup gumweed Grindelia squarrosa
- curlytop knotweed Polygonum lapathifolium
- cutleaf nightshade Solanum triflorum
- desert biscuitroot Lomatium foeniculaceum
- Douglas' knotweed Polygonum douglasii
- elkweed Frasera speciosa
- fairy slipper Calypso bulbosa
- false buffalograss Munroa squarrosa
- feathery false lily of the valley Maianthemum racemosum
- fineleaf hymenopappus Hymenopappus filifolius
- flatspine bur ragweed Ambrosia acanthicarpa
- flatspine stickseed Lappula occidentalis
- foothill bladderpod Lesquerella ludoviciana
- foxtail barley Hordeum jubatum
- Fremont's goosefoot Chenopodium fremontii
- fringed loosestrife Lysimachia ciliata
- green comet milkweed Asclepias viridiflora
- greenflowered wintergreen Pyrola chlorantha
- hairy evening primrose Oenothera villosa
- hairy waterclover Marsilea vestita
- hairy woodland brome Bromus pubescens
- heartleaf four o'clock Mirabilis nyctaginea
- hoary tansyaster Machaeranthera canescens
- hookedspur violet Viola adunca
- horsetail Equisetum ×nelsonii
- James' cryptantha Cryptantha cinerea
- lacy tansyaster Machaeranthera pinnatifida
- large Indian breadroot Pediomelum esculentum
- Laxmann's milkvetch Astragalus laxmannii
- lemon scurfpea Psoralidium lanceolatum
- lesser spikemoss Selaginella densa
- Lindley's aster Symphyotrichum ciliolatum
- longleaf groundcherry Physalis longifolia
- longstyle sweetroot Osmorhiza longistylis
- Macoun's barley ×Elyhordeum macounii
- male fern Dryopteris filix-mas
- meadow deathcamas Zigadenus venenosus
- mountain deathcamas Zigadenus elegans
- mountain tarweed Madia glomerata
- narrowleaf four o'clock Mirabilis linearis
- narrowleaf purple coneflower Echinacea angustifolia
- narrowleaf stoneseed Lithospermum incisum
- neckweed Veronica peregrina
- needleleaf navarretia Navarretia intertexta
- needleleaf sedge Carex duriuscula
- Northern Idaho biscuitroot Lomatium orientale
- Oregon cliff fern Woodsia oregana
- painted milkvetch Astragalus ceramicus
- pale spikerush Eleocharis macrostachya
- pitseed goosefoot Chenopodium berlandieri
- plains bluegrass Poa arida
- plains springparsley Cymopterus acaulis
- pleated gentian Gentiana affinis
- povertyweed Iva axillaris
- prairie false dandelion Nothocalais cuspidata
- prairie groundcherry Physalis hispida
- prairie groundsel Packera plattensis
- prairie plantain Plantago elongata
- prairie rose Rosa arkansana
- prairie spiderwort Tradescantia occidentalis
- prairie sunflower Helianthus petiolaris
- purple meadow-rue Thalictrum dasycarpum
- redwhisker clammyweed Polanisia dodecandra
- redwool plantain Plantago eriopoda
- ribseed sandmat Chamaesyce glyptosperma
- Rocky Mountain goosefoot Chenopodium salinum
- Rocky Mountain woodsia Woodsia scopulina
- rough barnyardgrass Echinochloa muricata
- rush skeletonplant Lygodesmia juncea
- rusty lupine Lupinus pusillus
- sagebrush violet Viola vallicola
- scarlet beeblossom Oenothera suffrutescens
- Scouler's popcornflower Plagiobothrys scouleri
- scrambled eggs Corydalis aurea
- seaside arrowgrass Triglochin maritima
- shaggy dwarf morning-glory Evolvulus nuttallianus
- shaggy fleabane Erigeron pumilus
- shortbeak sedge Carex brevior
- shy wallflower Erysimum inconspicuum
- silverscale saltbush Atriplex argentea
- single delight Moneses uniflora
- sixweeks fescue Vulpia octoflora
- skeletonleaf bur ragweed Ambrosia tomentosa
- slender phlox Microsteris gracilis
- slimflower scurfpea Psoralidium tenuiflorum
- small-leaf pussytoes Antennaria parvifolia
- smooth cliffbrake Pellaea glabella
- snowball sand verbena Abronia fragrans
- spearleaf stonecrop Sedum lanceolatum
- spiny phlox Phlox hoodii
- spinystar Escobaria vivipara
- spotted fritillary Fritillaria atropurpurea
- spotted water hemlock Cicuta maculata
- spreading fleabane Erigeron divergens
- starry false lily of the valley Maianthemum stellatum
- stemless four-nerve daisy Tetraneuris acaulis
- stiffstem flax Linum rigidum
- summer coralroot Corallorhiza maculata
- sweetcicely Osmorhiza berteroi
- tall annual willowherb Epilobium brachycarpum
- tasselflower brickellbush Brickellia grandiflora
- Texas croton Croton texensis
- threadleaf crowfoot Ranunculus trichophyllus
- tiny trumpet Collomia linearis
- tower rockcress Arabis glabra
- tumblegrass Schedonnardus paniculatus
- veiny dock Rumex venosus
- velvetweed Oenothera curtiflora
- velvety goldenrod Solidago mollis
- Virginia strawberry Fragaria virginiana
- wavyleaf thistle Cirsium undulatum
- western blue virginsbower Clematis occidentalis
- western tansymustard Descurainia pinnata
- white heath aster Symphyotrichum ericoides
- white prairie aster Symphyotrichum falcatum
- whitest evening primrose Oenothera albicaulis
- winged pigweed Cycloloma atriplicifolium
- witchgrass Panicum capillare
- woodland draba Draba nemorosa
- woolly sedge Carex pellita
- yellow avens Geum aleppicum
Also listed as native and introduced here 3
PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.
- claspleaf twistedstalkStreptopus amplexifolius
- hedge false bindweedCalystegia sepium
- Kentucky bluegrassPoa pratensis
Compared with Wyoming
The typical county is the median of the 23 Wyoming counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.
| Measure | Converse County | Typical county | Statewide |
|---|---|---|---|
| Native species | 312 | 414 | 1,060 |
| Garden-ready natives | 172 | 243 | 576 |
| Tree | 24 | — | 69 |
| Shrub | 30 | — | 89 |
| Wildflower (forb) | 191 | — | 606 |
| Grass or grass-like | 55 | — | 242 |
| Vine | 3 | — | 17 |
| Fern | 9 | — | 37 |
Neighboring counties
Counties that share a ZIP code with Converse County.
- Natrona County, WY 258 garden-ready
- Niobrara County, WY 143 garden-ready
Source & data date
- Source
- USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
- Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
- USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
- Citation
- USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
- Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
- Data date
- Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
- Zones
- USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
- Scope
- Converse County (county FIPS 56009), Wyoming. 312 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
- Method
- A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources