Native plants · Wyoming

Native plants of Campbell County

392 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Campbell County by USDA PLANTS. 207 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

Campbell County, Wyoming

Native species: 392 Typical Wyoming county: 414 (median of 23 counties)
Garden-ready natives: 207 Typical Wyoming county: 243
Share by type (all 392 native species): Percent of the 392 native species in each growth type

Tree 5% (19)
Shrub 8% (32)
Wildflower (forb) 61% (241)
Grass or grass-like 22% (88)
Vine 1% (4)
Fern 2% (8)

Wildflowers make up the largest share of the native list (61%), followed by grasses and grass-like plants (22%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zones 4b to 5a (2023 map).

The native plant list

Garden-ready natives 207

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Campbell County, Wyoming
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 black currant Ribes americanum	Shrub	3 ft	—	—	Zone 2b
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 red raspberry Rubus idaeus	Shrub	6 ft	Shade-tolerant	—	Zone 1a
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
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
Bebb's sedge Carex bebbii	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 3b
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
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
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
buffalograss Bouteloua dactyloides	Grass or grass-like	6 in	Sun	Medium	Zone 3b
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
California oatgrass Danthonia californica	Grass or grass-like	2 ft	Sun	Medium	Zone 9a
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
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
Colorado rush Juncus confusus	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
Columbia needlegrass Achnatherum nelsonii	Grass or grass-like	3 ft	Sun	Low	Zone 4b
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common juniper Juniperus communis	Tree	10 ft	Sun	Low	Zone 3a
common mare's-tail Hippuris vulgaris	Wildflower (forb)	2.8 ft	Sun	High	Zone 3b
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
composite dropseed Sporobolus compositus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
cosmopolitan bulrush Bolboschoenus maritimus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 5a
creeping barberry Mahonia repens	Shrub	2 ft	Shade-tolerant	Medium	Zone 5a
creeping juniper Juniperus horizontalis	Shrub	4 ft	Sun	High	Zone 3a
cursed buttercup Ranunculus sceleratus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 12b
cutleaf daisy Erigeron compositus	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
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
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
Drummond's rockcress Arabis drummondii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
flat-top pussytoes Antennaria corymbosa	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 5b
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
fox sedge Carex vulpinoidea	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3b
Gardner's saltbush Atriplex gardneri	Shrub	4 ft	Sun	Low	Zone 3b
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
golden crownbeard Verbesina encelioides	Wildflower (forb)	2 ft	Sun	Medium	Zone 5a
golden currant Ribes aureum	Shrub	10 ft	Sun–part shade	Low	Zone 3b
golden tickseed Coreopsis tinctoria	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 12b
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 ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
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
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
heartleaf arnica Arnica cordifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4b
Idaho fescue Festuca idahoensis	Grass or grass-like	2 ft	Sun–part shade	Medium	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
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
Lewis flax Linum lewisii	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 3b
limber pine Pinus flexilis	Tree	66 ft	Sun	Low	Zone 3a
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 buttercup Ranunculus abortivus	Wildflower (forb)	2.8 ft	Shade-tolerant	Medium	Zone 3a
littleleaf pussytoes Antennaria microphylla	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
littleseed ricegrass Piptatheropsis micrantha	Grass or grass-like	2.5 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
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
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
narrowleaf cottonwood Populus angustifolia	Tree	60 ft	Sun	High	Zone 4b
narrowleaf water plantain Alisma gramineum	Wildflower (forb)	1.5 ft	Sun	High	Zone 3a
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 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
northern water-starwort Callitriche hermaphroditica	Wildflower (forb)	—	Sun	High	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
onespike danthonia Danthonia unispicata	Grass or grass-like	10 in	Sun	Low	Zone 4b
Pacific anemone Anemone multifida	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 5a
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
Pennsylvania buttercup Ranunculus pensylvanicus	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 4b
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
porcupinegrass Hesperostipa spartea	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
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
prairie wedgescale Sphenopholis obtusata	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3a
prickly rose Rosa acicularis	Shrub	4 ft	Shade-tolerant	High	Zone 3b
purple locoweed Oxytropis lambertii	Wildflower (forb)	1.4 ft	Sun	Low	Zone 3b
purple milkvetch Astragalus agrestis	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
purple prairie clover Dalea purpurea	Wildflower (forb)	3 ft	Sun	Medium	Zone 3b
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
red goosefoot Chenopodium rubrum	Wildflower (forb)	3 ft	Sun	High	Zone 12b
redosier dogwood Cornus sericea	Tree	12 ft	Sun	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 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
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
sagebrush buttercup Ranunculus glaberrimus	Wildflower (forb)	6 in	Sun	High	Zone 3a
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
scratchgrass Muhlenbergia asperifolia	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5b
shadscale saltbush Atriplex confertifolia	Shrub	3 ft	Sun	Medium	Zone 3b
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
showy milkweed Asclepias speciosa	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
sideoats grama Bouteloua curtipendula	Grass or grass-like	3 ft	Sun	Medium	Zone 3a
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
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 bulrush Schoenoplectus heterochaetus	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
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
slimstem reedgrass Calamagrostis stricta	Grass or grass-like	3 ft	Sun–part shade	High	Zone 3a
smallwing sedge Carex microptera	Grass or grass-like	2 ft	Sun	High	Zone 4a
smooth blue aster Symphyotrichum laeve	Wildflower (forb)	4 ft	Sun	Medium	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
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
stiff goldenrod Oligoneuron rigidum	Wildflower (forb)	3.6 ft	Sun–part shade	Medium	Zone 3a
sulphur-flower buckwheat Eriogonum umbellatum	Shrub	1 ft	Sun	Low	Zone 8a
tall cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
tanseyleaf tansyaster Machaeranthera tanacetifolia	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
tapertip flatsedge Cyperus acuminatus	Grass or grass-like	1.3 ft	Sun–part shade	High	Zone 3b
tapertip hawksbeard Crepis acuminata	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
tenpetal blazingstar Mentzelia decapetala	Wildflower (forb)	3.5 ft	Sun	Medium	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
tiny mousetail Myosurus minimus	Wildflower (forb)	5 in	Sun–part shade	Medium	Zone 12b
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
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
upright prairie coneflower Ratibida columnifera	Wildflower (forb)	3.1 ft	Sun	Medium	Zone 3a
Utah sweetvetch Hedysarum boreale	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
vernal water-starwort Callitriche palustris	Wildflower (forb)	10 in	Sun	Medium	Zone 4a
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
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 snowberry Symphoricarpos occidentalis	Shrub	3 ft	Sun–part shade	Low	Zone 3b
western stoneseed Lithospermum ruderale	Wildflower (forb)	1.5 ft	Sun	Low	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
white avens Geum canadense	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
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 evening primrose Oenothera flava	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	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

Other native species recorded here 185

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.

American mannagrass Glyceria grandis
American sloughgrass Beckmannia syzigachne
annual buckwheat Eriogonum annuum
Apocynum ×floribundum Apocynum ×floribundum
aridland goosefoot Chenopodium desiccatum
Aunt Lucy Ellisia nyctelea
ballhead ipomopsis Ipomopsis congesta
bastard toadflax Comandra umbellata
bigbract verbena Verbena bracteata
bluntleaf sandwort Moehringia lateriflora
bottlebrush sedge Carex hystericina
brittle bladderfern Cystopteris fragilis
brittle pricklypear Opuntia fragilis
brook cinquefoil Potentilla rivalis
buffalobur nightshade Solanum rostratum
bushy knotweed Polygonum ramosissimum
Canadian gooseberry Ribes oxyacanthoides
candle anemone Anemone cylindrica
carelessweed Cyclachaena xanthiifolia
Carolina draba Draba reptans
chairmaker's bulrush Schoenoplectus americanus
clasping Venus' looking-glass Triodanis perfoliata
clustered broomrape Orobanche fasciculata
common starlily Leucocrinum montanum
Cuman ragweed Ambrosia psilostachya
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
cutleaf evening primrose Oenothera laciniata
cutleaf nightshade Solanum triflorum
desert biscuitroot Lomatium foeniculaceum
desert goosefoot Chenopodium pratericola
Douglas' knotweed Polygonum douglasii
Drummond's campion Silene drummondii
Drummond's false pennyroyal Hedeoma drummondii
Dudley's rush Juncus dudleyi
false buffalograss Munroa squarrosa
feathery false lily of the valley Maianthemum racemosum
fetid marigold Dyssodia papposa
fineleaf hymenopappus Hymenopappus filifolius
fireberry hawthorn Crataegus chrysocarpa
flatspine stickseed Lappula occidentalis
Flodman's thistle Cirsium flodmanii
foothill bladderpod Lesquerella ludoviciana
foxtail barley Hordeum jubatum
fragrant bedstraw Galium triflorum
Fremont's goosefoot Chenopodium fremontii
fringed loosestrife Lysimachia ciliata
fringed willowherb Epilobium ciliatum
great ragweed Ambrosia trifida
green comet milkweed Asclepias viridiflora
groundplum milkvetch Astragalus crassicarpus
hairy evening primrose Oenothera villosa
hairy waterclover Marsilea vestita
heavy sedge Carex gravida
hoary tansyaster Machaeranthera canescens
horned pondweed Zannichellia palustris
horsetail Equisetum ×nelsonii
Howell's pussytoes Antennaria howellii
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
lilac penstemon Penstemon gracilis
long-stolon sedge Carex inops
longleaf groundcherry Physalis longifolia
longstyle sweetroot Osmorhiza longistylis
Louisiana broomrape Orobanche ludoviciana
Macoun's barley ×Elyhordeum macounii
male fern Dryopteris filix-mas
manyflower stickseed Hackelia floribunda
manyflowered monkeyflower Mimulus floribundus
Maryland sanicle Sanicula marilandica
Maximilian sunflower Helianthus maximiliani
meadow deathcamas Zigadenus venenosus
Missouri foxtail cactus Escobaria missouriensis
Modoc yellowcress Rorippa tenerrima
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
nodding stickseed Hackelia deflexa
Northern Idaho biscuitroot Lomatium orientale
northern water plantain Alisma triviale
Norwegian cinquefoil Potentilla norvegica
Oregon cliff fern Woodsia oregana
painted milkvetch Astragalus ceramicus
Paradox cinquefoil Potentilla paradoxa
Pennsylvania cinquefoil Potentilla pensylvanica
Pennsylvania pellitory Parietaria pensylvanica
pitseed goosefoot Chenopodium berlandieri
plains springparsley Cymopterus acaulis
povertyweed Iva axillaris
prairie false dandelion Nothocalais cuspidata
prairie groundsel Packera plattensis
prairie plantain Plantago elongata
prairie rose Rosa arkansana
prairie sandmat Chamaesyce missurica
prairie spiderwort Tradescantia occidentalis
prairie sunflower Helianthus petiolaris
purple meadow-rue Thalictrum dasycarpum
Pursh seepweed Suaeda calceoliformis
rayless alkali aster Symphyotrichum ciliatum
redwhisker clammyweed Polanisia dodecandra
redwool plantain Plantago eriopoda
ribseed sandmat Chamaesyce glyptosperma
Richardson's alumroot Heuchera richardsonii
Rocky Mountain fescue Festuca saximontana
Rocky Mountain goosefoot Chenopodium salinum
rosy pussytoes Antennaria rosea
rough barnyardgrass Echinochloa muricata
roughfruit fairybells Prosartes trachycarpa
rush skeletonplant Lygodesmia juncea
rusty lupine Lupinus pusillus
sagebrush violet Viola vallicola
saline saltbush Atriplex subspicata
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
shortray fleabane Erigeron lonchophyllus
shortspike watermilfoil Myriophyllum sibiricum
shortstalk chickweed Cerastium brachypodum
shy wallflower Erysimum inconspicuum
silverleaf Indian breadroot Pediomelum argophyllum
silverscale saltbush Atriplex argentea
sixweeks fescue Vulpia octoflora
skeletonleaf bur ragweed Ambrosia tomentosa
sleepy silene Silene antirrhina
slender phlox Microsteris gracilis
slender yellow woodsorrel Oxalis dillenii
slimflower scurfpea Psoralidium tenuiflorum
slimpod Venus' looking-glass Triodanis leptocarpa
small pondweed Potamogeton pusillus
small-leaf pussytoes Antennaria parvifolia
snowball sand verbena Abronia fragrans
spearleaf stonecrop Sedum lanceolatum
spiny milkvetch Astragalus kentrophyta
spiny phlox Phlox hoodii
spinystar Escobaria vivipara
spotted fritillary Fritillaria atropurpurea
spreading fleabane Erigeron divergens
Sprengel's sedge Carex sprengelii
starry false lily of the valley Maianthemum stellatum
stemless four-nerve daisy Tetraneuris acaulis
stemless Townsend daisy Townsendia exscapa
stiffstem flax Linum rigidum
strict blue-eyed grass Sisyrinchium montanum
sweetcicely Osmorhiza berteroi
tall annual willowherb Epilobium brachycarpum
tarragon Artemisia dracunculus
Texas toadflax Nuttallanthus texanus
threadleaf crowfoot Ranunculus trichophyllus
tiny trumpet Collomia linearis
tower rockcress Arabis glabra
tumblegrass Schedonnardus paniculatus
veiny dock Rumex venosus
veiny meadow-rue Thalictrum venulosum
velvetweed Oenothera curtiflora
velvety goldenrod Solidago mollis
Virginia strawberry Fragaria virginiana
warty spurge Euphorbia spathulata
water mudwort Limosella aquatica
water whorlgrass Catabrosa aquatica
wavyleaf thistle Cirsium undulatum
western marsh cudweed Gnaphalium palustre
western poison ivy Toxicodendron rydbergii
western rockjasmine Androsace occidentalis
western tansymustard Descurainia pinnata
white heath aster Symphyotrichum ericoides
white prairie aster Symphyotrichum falcatum
whitest evening primrose Oenothera albicaulis
whitestem blazingstar Mentzelia albicaulis
whorled milkwort Polygala verticillata
witchgrass Panicum capillare
wood bluegrass Poa nemoralis
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.

annual ragweedAmbrosia artemisiifolia
biennial wormwoodArtemisia biennis
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.

Native species counts, Campbell County and Wyoming
Measure	Campbell County	Typical county	Statewide
Native species	392	414	1,060
Garden-ready natives	207	243	576
Tree	19	—	69
Shrub	32	—	89
Wildflower (forb)	241	—	606
Grass or grass-like	88	—	242
Vine	4	—	17
Fern	8	—	37

Neighboring counties

Counties that share a ZIP code with Campbell County.

Crook County, WY 308 garden-ready
Johnson County, WY 308 garden-ready
Sheridan County, WY 311 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: Campbell County (county FIPS 56005), Wyoming. 392 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

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