Native plants · Missouri

Native plants of St. Clair County

662 plant species are recorded as native to Missouri in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in St. Clair County by USDA PLANTS. 239 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

St. Clair County, Missouri

Native species: 662 Typical Missouri county: 557 (median of 114 counties)
Garden-ready natives: 239 Typical Missouri county: 219
Share by type (all 662 native species): Percent of the 662 native species in each growth type

Tree 11% (70)
Shrub 3% (18)
Wildflower (forb) 57% (379)
Grass or grass-like 22% (145)
Vine 5% (30)
Fern 3% (20)

Wildflowers make up the largest share of the native list (57%), 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 zone 6b (2023 map).

The native plant list

Garden-ready natives 239

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

Garden-ready native plants of St. Clair County, Missouri
Plant	Type	Height	Light	Water use	Hardy to
American basswood Tilia americana	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
American bellflower Campanulastrum americanum	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 12b
American bittersweet Celastrus scandens	Vine	15 ft	Shade-tolerant	High	Zone 3b
American elm Ulmus americana	Tree	120 ft	Sun–part shade	High	Zone 2b
American hazelnut Corylus americana	Shrub	10 ft	Sun–part shade	Medium	Zone 4a
American pokeweed Phytolacca americana	Wildflower (forb)	7.3 ft	Shade-tolerant	Medium	Zone 4a
American sycamore Platanus occidentalis	Tree	100 ft	Sun–part shade	High	Zone 4a
American water horehound Lycopus americanus	Wildflower (forb)	1.8 ft	Shade-tolerant	High	Zone 3b
American water plantain Alisma subcordatum	Wildflower (forb)	6 in	Sun	High	Zone 4a
American water-willow Justicia americana	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
arrowleaf tearthumb Polygonum sagittatum	Vine	1 ft	Sun	Medium	Zone 6a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
awlfruit sedge Carex stipata	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	Zone 3b
beaked agrimony Agrimonia rostellata	Wildflower (forb)	2.3 ft	Sun–part shade	Medium	Zone 4a
bearded beggarticks Bidens aristosa	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12b
Bicknell's sedge Carex bicknellii	Grass or grass-like	3.4 ft	Shade-tolerant	Low	Zone 3b
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
bitternut hickory Carya cordiformis	Tree	75 ft	Sun	Medium	Zone 2b
black cherry Prunus serotina	Tree	80 ft	Sun	Medium	Zone 4a
black oak Quercus velutina	Tree	80 ft	Sun–part shade	Medium	Zone 4a
black raspberry Rubus occidentalis	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
black walnut Juglans nigra	Tree	100 ft	Sun	High	Zone 4b
black willow Salix nigra	Tree	100 ft	Sun	High	Zone 1b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blackhaw Viburnum prunifolium	Tree	16 ft	Shade-tolerant	Medium	Zone 4a
blackjack oak Quercus marilandica	Tree	25 ft	Sun	Low	Zone 6a
blue mistflower Conoclinium coelestinum	Wildflower (forb)	3.2 ft	Shade-tolerant	Medium	Zone 6a
blunt broom sedge Carex tribuloides	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
bluntleaf bedstraw Galium obtusum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
bog rush Juncus biflorus	Grass or grass-like	3.5 ft	Shade-tolerant	High	Zone 5b
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
bristly buttercup Ranunculus hispidus	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
broomsedge bluestem Andropogon virginicus	Grass or grass-like	3 ft	Sun	Medium	Zone 5b
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
bur-reed sedge Carex sparganioides	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
burningbush Euonymus atropurpureus	Tree	10 ft	Shade-tolerant	Low	—
Bush's sedge Carex bushii	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
butterfly milkweed Asclepias tuberosa	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
butternut Juglans cinerea	Tree	80 ft	Sun	Medium	Zone 4a
Canada germander Teucrium canadense	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
Canada goldenrod Solidago altissima	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4b
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
Carolina rose Rosa carolina	Shrub	5 ft	Sun–part shade	Low	Zone 3a
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
cinnamon fern Osmunda cinnamomea	Fern	4.9 ft	Shade-tolerant	Medium	Zone 4a
climbing rose Rosa setigera	Vine	16 ft	Sun	Low	Zone 6a
coastal plain willow Salix caroliniana	Tree	33 ft	Sun–part shade	High	Zone 7b
cockspur hawthorn Crataegus crus-galli	Tree	30 ft	Sun	Low	Zone 4a
common blue violet Viola sororia	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4b
common buttonbush Cephalanthus occidentalis	Tree	15 ft	Shade-tolerant	High	Zone 4a
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common goldstar Hypoxis hirsuta	Wildflower (forb)	10 in	Sun–part shade	Medium	Zone 4a
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
common persimmon Diospyros virginiana	Tree	55 ft	Shade-tolerant	Medium	Zone 5a
common rush Juncus effusus	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
common selfheal Prunella vulgaris	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
common serviceberry Amelanchier arborea	Tree	36 ft	Shade-tolerant	Medium	Zone 2b
common spikerush Eleocharis palustris	Grass or grass-like	1.3 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
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
crimsoneyed rosemallow Hibiscus moscheutos	Wildflower (forb)	6.6 ft	Sun	High	Zone 6a
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
cupseed Calycocarpum lyonii	Vine	30 ft	Shade-tolerant	Medium	Zone 7a
devil's beggartick Bidens frondosa	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 12a
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
disk waterhyssop Bacopa rotundifolia	Wildflower (forb)	1 in	Sun	High	Zone 4a
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
eastern gamagrass Tripsacum dactyloides	Grass or grass-like	5 ft	Sun	High	Zone 5a
eastern narrowleaf sedge Carex amphibola	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 7a
eastern purple coneflower Echinacea purpurea	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
eastern redbud Cercis canadensis	Tree	30 ft	Shade-tolerant	Low	Zone 4b
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
false daisy Eclipta prostrata	Wildflower (forb)	3.2 ft	Sun–part shade	Medium	Zone 10b
field paspalum Paspalum laeve	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 6a
field pussytoes Antennaria neglecta	Wildflower (forb)	1 ft	Sun	Low	Zone 3b
flatstem spikerush Eleocharis compressa	Grass or grass-like	2 ft	Sun	High	Zone 4a
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
foxglove beardtongue Penstemon digitalis	Wildflower (forb)	4 ft	Shade-tolerant	Low	Zone 3b
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
Frank's sedge Carex frankii	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5a
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
frost grape Vitis vulpina	Vine	83 ft	Sun–part shade	Medium	Zone 5a
Georgia bulrush Scirpus georgianus	Grass or grass-like	4.5 ft	Sun–part shade	Medium	Zone 3b
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
grassleaf rush Juncus marginatus	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
graybark grape Vitis cinerea	Vine	50 ft	Sun–part shade	Medium	Zone 6b
greater straw sedge Carex normalis	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green hawthorn Crataegus viridis	Tree	30 ft	Sun	High	Zone 5a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairawn muhly Muhlenbergia capillaris	Grass or grass-like	3 ft	Sun	High	Zone 8a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
hairyfruit sedge Carex trichocarpa	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
halberdleaf rosemallow Hibiscus laevis	Wildflower (forb)	8 ft	Sun–part shade	High	Zone 6a
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
heartleaf peppervine Ampelopsis cordata	Vine	2 ft	Shade-tolerant	Medium	Zone 6b
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	Medium	Zone 3b
hop sedge Carex lupulina	Grass or grass-like	4.3 ft	Sun–part shade	Medium	Zone 3b
hophornbeam Ostrya virginiana	Tree	45 ft	Shade-tolerant	Low	Zone 3b
Illinois bundleflower Desmanthus illinoensis	Wildflower (forb)	3 ft	Sun	Medium	Zone 5b
Indian woodoats Chasmanthium latifolium	Grass or grass-like	4.6 ft	Shade-tolerant	Medium	Zone 4a
Indiangrass Sorghastrum nutans	Grass or grass-like	6 ft	Sun	Medium	Zone 3b
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
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
Kentucky coffeetree Gymnocladus dioicus	Tree	100 ft	Sun	Medium	Zone 4a
lanceleaf tickseed Coreopsis lanceolata	Wildflower (forb)	2 ft	Sun	Medium	Zone 6b
late purple aster Symphyotrichum patens	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 3b
leadplant Amorpha canescens	Shrub	4 ft	Shade-tolerant	Low	Zone 3b
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
limestone wild petunia Ruellia strepens	Wildflower (forb)	3.6 ft	Shade-tolerant	Low	Zone 6a
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
lopsided rush Juncus secundus	Grass or grass-like	1.5 ft	Sun	Low	Zone 4a
Malabar sprangletop Leptochloa fusca	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
marsh flatsedge Cyperus pseudovegetus	Grass or grass-like	2.5 ft	Sun	High	Zone 8a
marsh muhly Muhlenbergia racemosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3b
Maryland senna Senna marilandica	Wildflower (forb)	6.6 ft	Sun–part shade	Low	Zone 5b
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
nimblewill Muhlenbergia schreberi	Grass or grass-like	3.2 ft	Shade-tolerant	Low	Zone 4a
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
northern maidenhair Adiantum pedatum	Fern	1.3 ft	Shade-tolerant	Medium	Zone 3b
northern red oak Quercus rubra	Tree	81 ft	Sun–part shade	Medium	Zone 3b
northern spicebush Lindera benzoin	Tree	12 ft	Sun–part shade	Medium	Zone 5a
Ohio buckeye Aesculus glabra	Tree	68 ft	Shade-tolerant	Medium	Zone 4a
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
pale purple coneflower Echinacea pallida	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
pale touch-me-not Impatiens pallida	Wildflower (forb)	8.2 ft	Shade-tolerant	Medium	Zone 10b
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
pawpaw Asimina triloba	Tree	25 ft	Shade-tolerant	Medium	Zone 4b
pecan Carya illinoinensis	Tree	120 ft	Sun	High	Zone 5a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
perplexed ticktrefoil Desmodium perplexum	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 4a
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pinnate prairie coneflower Ratibida pinnata	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
plains muhly Muhlenbergia cuspidata	Grass or grass-like	1.4 ft	Sun	Low	Zone 3b
porcupinegrass Hesperostipa spartea	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
possumhaw Ilex decidua	Tree	33 ft	Shade-tolerant	Medium	Zone 5b
post oak Quercus stellata	Tree	60 ft	Sun	Medium	Zone 4a
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie blazing star Liatris pycnostachya	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 4a
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
prairie dropseed Sporobolus heterolepis	Grass or grass-like	2.3 ft	Sun–part shade	Low	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 wedgescale Sphenopholis obtusata	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3a
prairie willow Salix humilis	Shrub	10 ft	Sun–part shade	High	Zone 3a
pride of Ohio Dodecatheon meadia	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 3b
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
purplehead sneezeweed Helenium flexuosum	Wildflower (forb)	3.2 ft	Sun	Low	Zone 4b
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
red mulberry Morus rubra	Tree	70 ft	Shade-tolerant	Medium	Zone 4a
redroot flatsedge Cyperus erythrorhizos	Grass or grass-like	2.5 ft	Sun	Medium	Zone 11a
redtop panicgrass Panicum rigidulum	Grass or grass-like	3.3 ft	Sun	High	Zone 4a
river birch Betula nigra	Tree	70 ft	Sun	High	Zone 4a
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
roughfruit amaranth Amaranthus tuberculatus	Wildflower (forb)	6.6 ft	Sun	High	Zone 4a
roughleaf dogwood Cornus drummondii	Tree	20 ft	Sun–part shade	Low	Zone 4b
roundhead rush Juncus validus	Grass or grass-like	3.2 ft	Sun–part shade	High	Zone 7a
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
sawtooth sunflower Helianthus grosseserratus	Wildflower (forb)	5 ft	Sun	Medium	Zone 3a
scarlet Indian paintbrush Castilleja coccinea	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 4b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
shellbark hickory Carya laciniosa	Tree	100 ft	Shade-tolerant	High	Zone 5a
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b
shoreline sedge Carex hyalinolepis	Grass or grass-like	4 ft	Sun–part shade	High	Zone 4b
Short's sedge Carex shortiana	Grass or grass-like	3 ft	Sun–part shade	High	Zone 5b
shrubby St. Johnswort Hypericum prolificum	Shrub	3.2 ft	Sun–part shade	High	Zone 4b
Shumard's oak Quercus shumardii	Tree	100 ft	Sun	Medium	Zone 5a
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slender spikerush Eleocharis tenuis	Grass or grass-like	2.9 ft	Sun	Low	Zone 5a
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
smallspike false nettle Boehmeria cylindrica	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
smooth blue aster Symphyotrichum laeve	Wildflower (forb)	4 ft	Sun	Medium	Zone 3a
smooth hedgenettle Stachys tenuifolia	Wildflower (forb)	25 ft	Shade-tolerant	High	Zone 4a
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
spring avens Geum vernum	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 5b
squarrose sedge Carex squarrosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
stalkless yellowcress Rorippa sessiliflora	Wildflower (forb)	1.5 ft	Sun–part shade	High	Zone 12b
stiff goldenrod Oligoneuron rigidum	Wildflower (forb)	3.6 ft	Sun–part shade	Medium	Zone 3a
strawcolored flatsedge Cyperus strigosus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 4a
sugar maple Acer saccharum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
sugarberry Celtis laevigata	Tree	80 ft	Shade-tolerant	High	Zone 5a
summer grape Vitis aestivalis	Vine	30 ft	Shade-tolerant	Medium	Zone 5a
swamp milkweed Asclepias incarnata	Wildflower (forb)	4.9 ft	Sun	High	Zone 3b
swamp white oak Quercus bicolor	Tree	100 ft	Sun–part shade	High	Zone 4b
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tapertip rush Juncus acuminatus	Grass or grass-like	3 ft	Sun–part shade	High	Zone 4a
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
troublesome sedge Carex molesta	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
trumpet creeper Campsis radicans	Vine	2 ft	Sun	Low	Zone 6a
trumpet honeysuckle Lonicera sempervirens	Vine	16 ft	Shade-tolerant	Medium	Zone 4a
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
valley redstem Ammannia coccinea	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 3b
velvet panicum Dichanthelium scoparium	Grass or grass-like	4.3 ft	Shade-tolerant	Medium	Zone 3b
Virginia bluebells Mertensia virginica	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 4b
Virginia creeper Parthenocissus quinquefolia	Vine	1 ft	Sun–part shade	Low	Zone 4b
Virginia dayflower Commelina virginica	Wildflower (forb)	3.5 ft	Shade-tolerant	Medium	Zone 5b
Virginia threeseed mercury Acalypha virginica	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 10b
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
white ash Fraxinus americana	Tree	90 ft	Sun	High	Zone 4a
white avens Geum canadense	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
white doll's daisy Boltonia asteroides	Wildflower (forb)	8 ft	Sun–part shade	Medium	Zone 3b
white meadowsweet Spiraea alba	Shrub	3 ft	Sun–part shade	Medium	Zone 4a
white oak Quercus alba	Tree	100 ft	Sun–part shade	Medium	Zone 3a
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
whiteroot rush Juncus brachycarpus	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 5a
wild bergamot Monarda fistulosa	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
wild blue phlox Phlox divaricata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
winged elm Ulmus alata	Tree	65 ft	Shade-tolerant	Medium	Zone 5b
winged sumac Rhus copallinum	Tree	8 ft	Sun	Low	Zone 4b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
woolly plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
yellow fumewort Corydalis flavula	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 5b
yellow passionflower Passiflora lutea	Vine	16 ft	Shade-tolerant	Low	Zone 5a

Other native species recorded here 423

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 bird's-foot trefoil Lotus unifoliolatus
American false pennyroyal Hedeoma pulegioides
American ipecac Gillenia stipulata
American lopseed Phryma leptostachya
American wild carrot Daucus pusillus
annual marsh elder Iva annua
aromatic aster Symphyotrichum oblongifolium
arrowfeather threeawn Aristida purpurascens
arrowhead rattlebox Crotalaria sagittalis
arrowleaf violet Viola sagittata
ashy sunflower Helianthus mollis
Aunt Lucy Ellisia nyctelea
autumn onion Allium stellatum
azure blue sage Salvia azurea
bald spikerush Eleocharis erythropoda
Baldwin's ironweed Vernonia baldwinii
bastard toadflax Comandra umbellata
beach false foxglove Agalinis fasciculata
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded skeletongrass Gymnopogon ambiguus
bigbract verbena Verbena bracteata
birdfoot violet Viola pedata
black edge sedge Carex nigromarginata
blackfoot quillwort Isoetes melanopoda
blackseed plantain Plantago rugelii
blackstem spleenwort Asplenium resiliens
bloodroot Sanguinaria canadensis
blue ash Fraxinus quadrangulata
Blue Ridge blueberry Vaccinium pallidum
blue skullcap Scutellaria lateriflora
blue waxweed Cuphea viscosissima
bluejacket Tradescantia ohiensis
bluntlobe cliff fern Woodsia obtusa
Bosc's panicgrass Dichanthelium boscii
Bradley's spleenwort Asplenium bradleyi
branched foldwing Dicliptera brachiata
bristleleaf sedge Carex eburnea
browneyed Susan Rudbeckia triloba
brownish beaksedge Rhynchospora capitellata
buffalo clover Trifolium reflexum
buffalobur nightshade Solanum rostratum
bulblet bladderfern Cystopteris bulbifera
bulbous woodrush Luzula bulbosa
bushy knotweed Polygonum ramosissimum
button eryngo Eryngium yuccifolium
Buxbaum's sedge Carex buxbaumii
Canada lettuce Lactuca canadensis
Canadian clearweed Pilea pumila
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
Carolina anemone Anemone caroliniana
Carolina canarygrass Phalaris caroliniana
Carolina coralbead Cocculus carolinus
Carolina desert-chicory Pyrrhopappus carolinianus
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina leaf-flower Phyllanthus caroliniensis
Carolina sedge Carex caroliniana
Carolina vetch Vicia caroliniana
chaffweed Anagallis minima
Chapman's bluegrass Poa chapmaniana
chickenthief Mentzelia oligosperma
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clammy groundcherry Physalis heterophylla
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
clustered blacksnakeroot Sanicula odorata
clustered fescue Festuca paradoxa
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common moonseed Menispermum canadense
common pricklyash Zanthoxylum americanum
common yellow oxalis Oxalis stricta
compassplant Silphium laciniatum
creeping lespedeza Lespedeza repens
crowpoison Nothoscordum bivalve
Culver's root Veronicastrum virginicum
Cuman ragweed Ambrosia psilostachya
cutleaf evening primrose Oenothera laciniata
cutleaf toothwort Cardamine concatenata
cypress panicgrass Dichanthelium dichotomum
Davis' sedge Carex davisii
densetuft hairsedge Bulbostylis capillaris
desert biscuitroot Lomatium foeniculaceum
diamond-flowers Stenaria nigricans
downy gentian Gentiana puberulenta
downy hawthorn Crataegus mollis
downy phlox Phlox pilosa
downy ragged goldenrod Solidago petiolaris
Dudley's rush Juncus dudleyi
dutchman's breeches Dicentra cucullaria
dwarf chinquapin oak Quercus prinoides
dwarf hackberry Celtis pumila
dwarf horseweed Conyza ramosissima
dwarf larkspur Delphinium tricorne
dwarf plantain Plantago pusilla
early buttercup Ranunculus fascicularis
early meadow-rue Thalictrum dioicum
early wildrye Elymus macgregorii
eastern daisy fleabane Erigeron annuus
eastern false rue anemone Enemion biternatum
eastern greenviolet Hybanthus concolor
eastern milkpea Galactia regularis
eastern poison ivy Toxicodendron radicans
eastern star sedge Carex radiata
eastern waterleaf Hydrophyllum virginianum
ebony spleenwort Asplenium platyneuron
Elliott's bentgrass Agrostis elliottiana
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
eyebane Chamaesyce nutans
fall phlox Phlox paniculata
fall witchgrass Digitaria cognata
false boneset Brickellia eupatorioides
false spotted St. Johnswort Hypericum pseudomaculatum
feathery false lily of the valley Maianthemum racemosum
fescue sedge Carex festucacea
feverwort Triosteum perfoliatum
fewflower nutrush Scleria pauciflora
field pansy Viola bicolor
fire on the mountain Euphorbia cyathophora
floating primrose-willow Ludwigia peploides
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
fourleaf milkweed Asclepias quadrifolia
fragrant bedstraw Galium triflorum
fragrant sumac Rhus aromatica
fringed loosestrife Lysimachia ciliata
fringed nutrush Scleria ciliata
fuzzy wuzzy sedge Carex hirsutella
giant ironweed Vernonia gigantea
globe flatsedge Cyperus echinatus
glomerate sedge Carex aggregata
golden zizia Zizia aurea
gravelweed Verbesina helianthoides
great blue lobelia Lobelia siphilitica
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
green antelopehorn Asclepias viridis
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green milkweed Asclepias hirtella
grooved flax Linum sulcatum
groovestem Indian plantain Arnoglossum plantagineum
groundplum milkvetch Astragalus crassicarpus
gum bully Sideroxylon lanuginosum
hairy bedstraw Galium pilosum
hairy fimbry Fimbristylis puberula
hairy forked nailwort Paronychia fastigiata
hairy hawkweed Hieracium longipilum
hairy lipfern Cheilanthes lanosa
hairy pinweed Lechea mucronata
hairy skullcap Scutellaria elliptica
hairy sunflower Helianthus hirsutus
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairyfruit chervil Chaerophyllum tainturieri
hairyjoint meadowparsnip Thaspium barbinode
hairyseed paspalum Paspalum pubiflorum
Harvey's beaksedge Rhynchospora harveyi
Hayden's sedge Carex haydenii
heartleaf four o'clock Mirabilis nyctaginea
heartleaf skullcap Scutellaria ovata
heavy sedge Carex gravida
Heller's rosette grass Dichanthelium oligosanthes
hoary frostweed Helianthemum bicknellii
hoary puccoon Lithospermum canescens
hoary skullcap Scutellaria incana
hoary ticktrefoil Desmodium canescens
hoary verbena Verbena stricta
hogwort Croton capitatus
honeyvine Cynanchum laeve
hooded arrowhead Sagittaria calycina
horned pondweed Zannichellia palustris
hortulan plum Prunus hortulana
husk tomato Physalis pubescens
Indian-tobacco Lobelia inflata
inflated narrow-leaf sedge Carex grisea
James' sedge Carex jamesii
Jersey tea Ceanothus herbaceus
jumpseed Polygonum virginianum
keeled bulrush Isolepis carinata
lace grass Eragrostis capillaris
lanceleaf buckthorn Rhamnus lanceolata
lanceleaf fogfruit Phyla lanceolata
lanceleaf ragweed Ambrosia bidentata
largebract ticktrefoil Desmodium cuspidatum
largebracted plantain Plantago aristata
largeflower tickseed Coreopsis grandiflora
lateflowering thoroughwort Eupatorium serotinum
Leavenworth's sedge Carex leavenworthii
lemon beebalm Monarda citriodora
licorice bedstraw Galium circaezans
limestone adderstongue Ophioglossum engelmannii
limestone calamint Clinopodium arkansanum
little lady's tresses Spiranthes tuberosa
longbract spiderwort Tradescantia bracteata
longflower beeblossom Oenothera filiformis
longleaf groundcherry Physalis longifolia
lowland rotala Rotala ramosior
maidenhair spleenwort Asplenium trichomanes
man of the earth Ipomoea pandurata
manyfruit primrose-willow Ludwigia polycarpa
marginal woodfern Dryopteris marginalis
marsh bristlegrass Setaria parviflora
matted sandmat Chamaesyce serpens
mayapple Podophyllum peltatum
Mead's sedge Carex meadii
meadow garlic Allium canadense
Mexican plum Prunus mexicana
Michaux's croton Croton michauxii
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
Missouri violet Viola missouriensis
mucronate sprangletop Leptochloa panicea
Muhlenberg's sedge Carex muehlenbergii
mullein foxglove Dasistoma macrophylla
nakedflower ticktrefoil Desmodium nudiflorum
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf paleseed Leucospora multifida
narrowleaf pinweed Lechea tenuifolia
narrowleaf stoneseed Lithospermum incisum
narrowleaf vervain Verbena simplex
neckweed Veronica peregrina
nits and lice Hypericum drummondii
northern bog violet Viola nephrophylla
northern dewberry Rubus flagellaris
northern selaginella Selaginella rupestris
northern slender lady's tresses Spiranthes lacera
Nuttall's sensitive-briar Mimosa nuttallii
obedient plant Physostegia virginiana
oldfield milkvine Matelea decipiens
oneseed bur cucumber Sicyos angulatus
pale beardtongue Penstemon pallidus
pale Indian plantain Arnoglossum atriplicifolium
palegreen orchid Platanthera flava
palespike lobelia Lobelia spicata
parasol sedge Carex umbellata
pasture heliotrope Heliotropium tenellum
Pennsylvania pellitory Parietaria pensylvanica
Philadelphia panicgrass Panicum philadelphicum
pinkladies Oenothera speciosa
pitcher's stitchwort Minuartia patula
pitseed goosefoot Chenopodium berlandieri
plains snakecotton Froelichia floridana
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie blue-eyed grass Sisyrinchium campestre
prairie broomweed Amphiachyris dracunculoides
prairie ironweed Vernonia fasciculata
prairie rose Rosa arkansana
prairie sandmat Chamaesyce missurica
prairie tea Croton monanthogynus
prairie threeawn Aristida oligantha
prostrate ticktrefoil Desmodium rotundifolium
prune-fruit sedge Carex corrugata
puffsheath dropseed Sporobolus neglectus
purple cliffbrake Pellaea atropurpurea
purple meadow-rue Thalictrum dasycarpum
purple meadowparsnip Thaspium trifoliatum
purple milkweed Asclepias purpurascens
purple milkwort Polygala sanguinea
purple passionflower Passiflora incarnata
purplerocket Iodanthus pinnatifidus
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
Ravenel's rosette grass Dichanthelium ravenelii
red columbine Aquilegia canadensis
red hickory Carya ovalis
redwhisker clammyweed Polanisia dodecandra
reflexed sedge Carex retroflexa
richwoods sedge Carex oligocarpa
robin's plantain Erigeron pulchellus
rock muhly Muhlenbergia sobolifera
rose mock vervain Glandularia canadensis
rosepink Sabatia angularis
rough barnyardgrass Echinochloa muricata
rough dropseed Sporobolus clandestinus
rough false pennyroyal Hedeoma hispida
roundleaf ragwort Packera obovata
roundseed panicgrass Dichanthelium sphaerocarpon
roundseed St. Johnswort Hypericum sphaerocarpum
roundstem false foxglove Agalinis gattingeri
rue anemone Thalictrum thalictroides
rusty blackhaw Viburnum rufidulum
Sampson's snakeroot Orbexilum pedunculatum
sand bittercress Cardamine parviflora
sand violet Viola affinis
scaly blazing star Liatris squarrosa
scrambled eggs Corydalis aurea
seedbox Ludwigia alternifolia
sensitive fern Onoclea sensibilis
sensitive partridge pea Chamaecrista nictitans
sessileleaf ticktrefoil Desmodium sessilifolium
shining bedstraw Galium concinnum
Short's rockcress Arabis shortii
shortbeak sedge Carex brevior
shortpod draba Draba brachycarpa
shortstalk chickweed Cerastium brachypodum
shrubby lespedeza Lespedeza frutescens
sidebeak pencilflower Stylosanthes biflora
silky dogwood Cornus obliqua
sixweeks fescue Vulpia octoflora
Skinner's false foxglove Agalinis skinneriana
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender lespedeza Lespedeza virginica
slender lipfern Cheilanthes feei
slender wedgescale Sphenopholis intermedia
slender yelloweyed grass Xyris torta
slickseed fuzzybean Strophostyles leiosperma
slimflower scurfpea Psoralidium tenuiflorum
slimleaf panicgrass Dichanthelium linearifolium
slimpod rush Juncus diffusissimus
slimpod Venus' looking-glass Triodanis leptocarpa
slimspike threeawn Aristida longespica
small skullcap Scutellaria parvula
smartweed dodder Cuscuta polygonorum
smooth cliffbrake Pellaea glabella
smooth false buttonweed Spermacoce glabra
smooth forked nailwort Paronychia canadensis
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth small-leaf ticktrefoil Desmodium marilandicum
smooth Solomon's seal Polygonatum biflorum
soft agrimony Agrimonia pubescens
soft fox sedge Carex conjuncta
soft goldenaster Chrysopsis pilosa
soft-hair marbleseed Onosmodium bejariense
southeastern wildrye Elymus glabriflorus
spoonleaf purple everlasting Gamochaeta purpurea
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading chervil Chaerophyllum procumbens
spreading sandmat Chamaesyce humistrata
spring coralroot Corallorhiza wisteriana
spring forget-me-not Myosotis verna
spring lady's tresses Spiranthes vernalis
St. Andrew's cross Hypericum hypericoides
star tickseed Coreopsis pubescens
starved panicgrass Dichanthelium depauperatum
stiff sunflower Helianthus pauciflorus
stiff tickseed Coreopsis palmata
stiff ticktrefoil Desmodium obtusum
stiff yellow flax Linum medium
sunbright Phemeranthus parviflorus
swamp dock Rumex verticillatus
swamp verbena Verbena hastata
sweet coneflower Rudbeckia subtomentosa
sweetscented joe pye weed Eutrochium purpureum
tall blazing star Liatris aspera
tall lespedeza Lespedeza stuevei
tall thimbleweed Anemone virginiana
tall thistle Cirsium altissimum
tall tickseed Coreopsis tripteris
tasselflower brickellbush Brickellia grandiflora
Tennessee bladderfern Cystopteris tennesseensis
terrestrial water-starwort Callitriche terrestris
Texas goldentop Euthamia gymnospermoides
Texas toadflax Nuttallanthus texanus
thinleaf sunflower Helianthus decapetalus
threadleaf evening primrose Oenothera linifolia
tiny bluet Houstonia pusilla
toadshade Trillium sessile
trailing lespedeza Lespedeza procumbens
trailing pearlwort Sagina decumbens
tufted lovegrass Eragrostis pectinacea
tumble windmill grass Chloris verticillata
twistspine pricklypear Opuntia macrorhiza
Venus' pride Houstonia purpurea
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia bunchflower Veratrum virginicum
Virginia dwarfdandelion Krigia virginica
Virginia groundcherry Physalis virginiana
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia snakeroot Aristolochia serpentaria
Virginia springbeauty Claytonia virginica
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
walking fern Asplenium rhizophyllum
warty spurge Euphorbia spathulata
waxyfruit hawthorn Crataegus pruinosa
wedgeleaf draba Draba cuneifolia
western rockjasmine Androsace occidentalis
western rough goldenrod Solidago radula
western tansymustard Descurainia pinnata
whip nutrush Scleria triglomerata
white crownbeard Verbesina virginica
white fawnlily Erythronium albidum
white four o'clock Mirabilis albida
white heath aster Symphyotrichum ericoides
white snakeroot Ageratina altissima
white vervain Verbena urticifolia
white wand beardtongue Penstemon tubaeflorus
whitehair rosette grass Dichanthelium villosissimum
whitemouth dayflower Commelina erecta
whitestar Ipomoea lacunosa
whitetinge sedge Carex albicans
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
widowsfrill Silene stellata
wild quinine Parthenium integrifolium
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
wingstem Verbesina alternifolia
woman's tobacco Antennaria plantaginifolia
woolly dutchman's pipe Aristolochia tomentosa
yellow giant hyssop Agastache nepetoides
yellow pimpernel Taenidia integerrima
yellowfruit sedge Carex annectens
yellowseed false pimpernel Lindernia dubia

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
climbing false buckwheatPolygonum scandens
Kentucky bluegrassPoa pratensis

Compared with Missouri

The typical county is the median of the 114 Missouri 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, St. Clair County and Missouri
Measure	St. Clair County	Typical county	Statewide
Native species	662	557	1,678
Garden-ready natives	239	219	558
Tree	70	—	149
Shrub	18	—	59
Wildflower (forb)	379	—	936
Grass or grass-like	145	—	395
Vine	30	—	79
Fern	20	—	60

Neighboring counties

Counties that share a ZIP code with St. Clair County.

Bates County, MO 191 garden-ready
Benton County, MO 225 garden-ready
Cedar County, MO 200 garden-ready
Henry County, MO 216 garden-ready
Hickory County, MO 168 garden-ready
Polk County, MO 220 garden-ready
Vernon County, MO 238 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: St. Clair County (county FIPS 29185), Missouri. 662 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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