Native plants · Wyoming
Native plants of Niobrara County
265 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Niobrara County by USDA PLANTS. 143 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.
County summary · USDA PLANTS and Kew WCVP
Niobrara County, Wyoming
- Native species
- 265 Typical Wyoming county: 414 (median of 23 counties)
- Garden-ready natives
- 143 Typical Wyoming county: 243
- Share by type (all 265 native species)
-
Percent of the 265 native species in each growth type
Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (24%).
The native plant list
Garden-ready natives 143
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| Plant | Type | Height | Light | Water use | Hardy to |
|---|---|---|---|---|---|
| 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 licorice Glycyrrhiza lepidota | Wildflower (forb) | 4 ft | Sun–part shade | High | Zone 3b |
| American plum Prunus americana | Tree | 24 ft | Sun | Medium | Zone 3b |
| American speedwell Veronica americana | Wildflower (forb) | 10 in | Shade-tolerant | High | Zone 3b |
| American vetch Vicia americana | Vine | 1.3 ft | Sun | Low | Zone 3b |
| arumleaf arrowhead Sagittaria cuneata | Wildflower (forb) | 2.6 ft | Sun | Medium | Zone 4a |
| big sagebrush Artemisia tridentata | Tree | 4 ft | Sun | Medium | Zone 3a |
| blue grama Bouteloua gracilis | Grass or grass-like | 1 ft | Sun | Medium | Zone 3a |
| 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 |
| buffalograss Bouteloua dactyloides | Grass or grass-like | 6 in | 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 milkvetch Astragalus canadensis | Wildflower (forb) | 6 in | Sun | Medium | Zone 3b |
| Carolina foxtail Alopecurus carolinianus | Grass or grass-like | 1.7 ft | Sun | Low | Zone 3a |
| chokecherry Prunus virginiana | Tree | 25 ft | Sun | Medium | Zone 3a |
| cloaked bulrush Scirpus pallidus | Grass or grass-like | 5 ft | Sun | Medium | Zone 3b |
| clustered field sedge Carex praegracilis | Grass or grass-like | 2 ft | Sun–part shade | Medium | Zone 3b |
| Columbian monkshood Aconitum columbianum | Wildflower (forb) | 5 ft | Sun–part shade | High | Zone 4b |
| common duckweed Lemna minor | Wildflower (forb) | — | 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 |
| creeping juniper Juniperus horizontalis | Shrub | 4 ft | Sun | High | Zone 3a |
| crested pricklypoppy Argemone polyanthemos | Wildflower (forb) | 3 ft | Sun | Low | Zone 5a |
| devil's beggartick Bidens frondosa | Wildflower (forb) | 4 ft | Sun–part shade | Medium | Zone 12a |
| 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 |
| downy paintedcup Castilleja sessiliflora | Wildflower (forb) | 1.3 ft | Sun | Low | Zone 3b |
| eastern cottonwood Populus deltoides | Tree | 190 ft | Sun | High | Zone 3a |
| fiddleleaf hawksbeard Crepis runcinata | Wildflower (forb) | 1 ft | Sun | Medium | Zone 3b |
| field horsetail Equisetum arvense | Fern | 11 in | Sun–part shade | High | Zone 3a |
| flatstem pondweed Potamogeton zosteriformis | Wildflower (forb) | — | Sun | High | Zone 3b |
| 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 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 |
| golden sedge Carex aurea | Grass or grass-like | 1.2 ft | Sun–part shade | High | Zone 4a |
| 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 |
| hairy false goldenaster Heterotheca villosa | Wildflower (forb) | 3 ft | Sun | Low | Zone 4a |
| Indian ricegrass Achnatherum hymenoides | Grass or grass-like | 2 ft | Sun | Low | Zone 3a |
| 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 |
| 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 |
| little bluestem Schizachyrium scoparium | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| littleleaf pussytoes Antennaria microphylla | Wildflower (forb) | 1 ft | Sun | Low | Zone 3b |
| longstyle rush Juncus longistylis | Grass or grass-like | 1.8 ft | Sun–part shade | High | Zone 3b |
| low pussytoes Antennaria dimorpha | Wildflower (forb) | 4 in | Sun–part shade | Low | Zone 3b |
| maiden blue eyed Mary Collinsia parviflora | Wildflower (forb) | 1 ft | Shade-tolerant | Medium | Zone 4a |
| marsh muhly Muhlenbergia racemosa | Grass or grass-like | 3 ft | Shade-tolerant | Medium | Zone 3b |
| mat muhly Muhlenbergia richardsonis | Grass or grass-like | 6 in | Sun | High | Zone 4b |
| 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 |
| 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 |
| needle spikerush Eleocharis acicularis | Grass or grass-like | 8 in | Sun | Medium | Zone 5a |
| nodding beggartick Bidens cernua | Wildflower (forb) | 3.2 ft | Sun–part shade | High | Zone 12a |
| nodding microseris Microseris nutans | Wildflower (forb) | 2 ft | Shade-tolerant | Medium | Zone 4b |
| 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 |
| 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 |
| pearly pussytoes Antennaria anaphaloides | Wildflower (forb) | 2.5 ft | Sun–part shade | Medium | Zone 4a |
| plains muhly Muhlenbergia cuspidata | Grass or grass-like | 1.4 ft | Sun | Low | Zone 3b |
| 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 |
| Rocky Mountain beeplant Cleome serrulata | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 12b |
| Rocky Mountain juniper Juniperus scopulorum | Tree | 50 ft | Sun | Low | Zone 3b |
| rough bentgrass Agrostis scabra | Grass or grass-like | 2.5 ft | Sun | Medium | Zone 3b |
| 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 bluestem Andropogon hallii | Grass or grass-like | 6.1 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 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 |
| showy locoweed Oxytropis splendens | Wildflower (forb) | 1 ft | Sun | Medium | Zone 4a |
| showy milkweed Asclepias speciosa | Wildflower (forb) | 6 ft | Sun | Medium | Zone 4a |
| silky lupine Lupinus sericeus | Wildflower (forb) | 6 ft | Sun | Low | Zone 4b |
| 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 |
| silvery lupine Lupinus argenteus | Wildflower (forb) | 1.5 ft | Sun | Low | Zone 3a |
| skunkbush sumac Rhus trilobata | Shrub | 4 ft | Sun–part shade | Low | Zone 2a |
| slender wheatgrass Elymus trachycaulus | Grass or grass-like | 3 ft | Sun | Medium | Zone 3b |
| slimstem reedgrass Calamagrostis stricta | Grass or grass-like | 3 ft | Sun–part shade | High | Zone 3a |
| 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 |
| spike bentgrass Agrostis exarata | Grass or grass-like | 3 ft | Sun | Medium | Zone 3b |
| spreading yellowcress Rorippa sinuata | Wildflower (forb) | 1 ft | Sun | Medium | Zone 3b |
| spreadingpod rockcress Arabis ×divaricarpa | Wildflower (forb) | 3 ft | Shade-tolerant | Low | Zone 4b |
| squirreltail Elymus elymoides | Grass or grass-like | 1.5 ft | Sun | Low | Zone 3a |
| stiff goldenrod Oligoneuron rigidum | Wildflower (forb) | 3.6 ft | Sun–part shade | Medium | Zone 3a |
| tanseyleaf tansyaster Machaeranthera tanacetifolia | Wildflower (forb) | 2 ft | Sun | Medium | Zone 4a |
| tapertip hawksbeard Crepis acuminata | Wildflower (forb) | 3 ft | Sun–part shade | Low | Zone 3b |
| 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 |
| threelobe beggarticks Bidens tripartita | Wildflower (forb) | 3.5 ft | Sun–part shade | High | Zone 12a |
| 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 |
| 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 pearly everlasting Anaphalis margaritacea | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 3a |
| western snowberry Symphoricarpos occidentalis | Shrub | 3 ft | Sun–part shade | Low | Zone 3b |
| western wheatgrass Pascopyrum smithii | Grass or grass-like | 2 ft | Sun | Medium | Zone 3a |
| white panicle aster Symphyotrichum lanceolatum | Wildflower (forb) | 6 ft | Sun–part shade | High | Zone 3b |
| 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 |
No garden-ready natives match these filters. Try clearing one.
Other native species recorded here 122
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 bugseed Corispermum americanum
- American mannagrass Glyceria grandis
- annual buckwheat Eriogonum annuum
- aridland goosefoot Chenopodium desiccatum
- Aunt Lucy Ellisia nyctelea
- ballhead ipomopsis Ipomopsis congesta
- bastard toadflax Comandra umbellata
- bigbract verbena Verbena bracteata
- bigseed alfalfa dodder Cuscuta indecora
- bottlebrush sedge Carex hystericina
- brittle bladderfern Cystopteris fragilis
- brittle pricklypear Opuntia fragilis
- buffalobur nightshade Solanum rostratum
- bushy knotweed Polygonum ramosissimum
- Canadian gooseberry Ribes oxyacanthoides
- carelessweed Cyclachaena xanthiifolia
- chairmaker's bulrush Schoenoplectus americanus
- clustered broomrape Orobanche fasciculata
- common bladderwort Utricularia macrorhiza
- common starlily Leucocrinum montanum
- Cuman ragweed Ambrosia psilostachya
- curlycup gumweed Grindelia squarrosa
- curlytop knotweed Polygonum lapathifolium
- cutleaf nightshade Solanum triflorum
- desert biscuitroot Lomatium foeniculaceum
- desert princesplume Stanleya pinnata
- Douglas' knotweed Polygonum douglasii
- Drummond's false pennyroyal Hedeoma drummondii
- Emory's sedge Carex emoryi
- entireleaved thelypody Thelypodium integrifolium
- false buffalograss Munroa squarrosa
- fetid marigold Dyssodia papposa
- fineleaf hymenopappus Hymenopappus filifolius
- flatspine stickseed Lappula occidentalis
- foothill bladderpod Lesquerella ludoviciana
- foxtail barley Hordeum jubatum
- green comet milkweed Asclepias viridiflora
- groundplum milkvetch Astragalus crassicarpus
- hairy evening primrose Oenothera villosa
- hairy four o'clock Mirabilis hirsuta
- horned pondweed Zannichellia palustris
- James' cryptantha Cryptantha cinerea
- lacy tansyaster Machaeranthera pinnatifida
- large Indian breadroot Pediomelum esculentum
- Laxmann's milkvetch Astragalus laxmannii
- lemon scurfpea Psoralidium lanceolatum
- long-stolon sedge Carex inops
- Louisiana broomrape Orobanche ludoviciana
- Macoun's barley ×Elyhordeum macounii
- mat sandbur Cenchrus longispinus
- meadow deathcamas Zigadenus venenosus
- narrowleaf four o'clock Mirabilis linearis
- narrowleaf stoneseed Lithospermum incisum
- needleleaf navarretia Navarretia intertexta
- needleleaf sedge Carex duriuscula
- nodding buckwheat Eriogonum cernuum
- Northern Idaho biscuitroot Lomatium orientale
- Norwegian cinquefoil Potentilla norvegica
- Oregon cliff fern Woodsia oregana
- pale spikerush Eleocharis macrostachya
- plains bluegrass Poa arida
- plains springparsley Cymopterus acaulis
- povertyweed Iva axillaris
- prairie false dandelion Nothocalais cuspidata
- prairie groundcherry Physalis hispida
- prairie rose Rosa arkansana
- prairie sandmat Chamaesyce missurica
- prairie spiderwort Tradescantia occidentalis
- prairie sunflower Helianthus petiolaris
- redwhisker clammyweed Polanisia dodecandra
- redwool plantain Plantago eriopoda
- ribseed sandmat Chamaesyce glyptosperma
- Richardson's alumroot Heuchera richardsonii
- rosy pussytoes Antennaria rosea
- 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
- 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
- sixweeks fescue Vulpia octoflora
- slender phlox Microsteris gracilis
- slimflower scurfpea Psoralidium tenuiflorum
- small-leaf pussytoes Antennaria parvifolia
- snow on the mountain Euphorbia marginata
- snowball sand verbena Abronia fragrans
- spearleaf stonecrop Sedum lanceolatum
- spiny milkvetch Astragalus kentrophyta
- spiny phlox Phlox hoodii
- spinystar Escobaria vivipara
- spotted fritillary Fritillaria atropurpurea
- spotted water hemlock Cicuta maculata
- starry false lily of the valley Maianthemum stellatum
- stemless four-nerve daisy Tetraneuris acaulis
- stiffstem flax Linum rigidum
- strict blue-eyed grass Sisyrinchium montanum
- tarragon Artemisia dracunculus
- Texas croton Croton texensis
- threadleaf crowfoot Ranunculus trichophyllus
- tiny trumpet Collomia linearis
- trailing fleabane Erigeron flagellaris
- tumblegrass Schedonnardus paniculatus
- veiny dock Rumex venosus
- velvetweed Oenothera curtiflora
- velvety goldenrod Solidago mollis
- warty spurge Euphorbia spathulata
- water whorlgrass Catabrosa aquatica
- wavyleaf thistle Cirsium undulatum
- western tansymustard Descurainia pinnata
- white prairie aster Symphyotrichum falcatum
- whitest evening primrose Oenothera albicaulis
- witchgrass Panicum capillare
- woodbine Parthenocissus vitacea
- woodland draba Draba nemorosa
- woolly cinquefoil Potentilla hippiana
- woolly sedge Carex pellita
Also listed as native and introduced here 2
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.
- common reedPhragmites australis
- 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 | Niobrara County | Typical county | Statewide |
|---|---|---|---|
| Native species | 265 | 414 | 1,060 |
| Garden-ready natives | 143 | 243 | 576 |
| Tree | 12 | — | 69 |
| Shrub | 24 | — | 89 |
| Wildflower (forb) | 159 | — | 606 |
| Grass or grass-like | 63 | — | 242 |
| Vine | 3 | — | 17 |
| Fern | 4 | — | 37 |
Neighboring counties
Counties that share a ZIP code with Niobrara County.
- Converse County, WY 172 garden-ready
- Goshen County, WY 143 garden-ready
- Weston County, WY 232 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
- Niobrara County (county FIPS 56027), Wyoming. 265 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