Native plants · Missouri

Native plants of St. Louis County

1,081 plant species are recorded as native to Missouri in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in St. Louis County by USDA PLANTS. 380 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

St. Louis County, Missouri

Native species: 1,081 Typical Missouri county: 557 (median of 114 counties)
Garden-ready natives: 380 Typical Missouri county: 219
Share by type (all 1,081 native species): Percent of the 1,081 native species in each growth type

Tree 9% (94)
Shrub 2% (19)
Wildflower (forb) 59% (639)
Grass or grass-like 23% (244)
Vine 5% (53)
Fern 3% (32)

Wildflowers make up the largest share of the native list (59%), followed by grasses and grass-like plants (23%).

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 6b to 7a (2023 map).

The native plant list

Garden-ready natives 380

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

Garden-ready native plants of St. Louis County, Missouri
Plant	Type	Height	Light	Water use	Hardy to
Allegheny blackberry Rubus allegheniensis	Shrub	6 ft	Shade-tolerant	Medium	Zone 4b
alternateleaf dogwood Cornus alternifolia	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
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 eelgrass Vallisneria americana	Wildflower (forb)	1 ft	Sun	High	Zone 4a
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 hornbeam Carpinus caroliniana	Tree	30 ft	Shade-tolerant	Medium	Zone 4a
American licorice Glycyrrhiza lepidota	Wildflower (forb)	4 ft	Sun–part shade	High	Zone 3b
American lotus Nelumbo lutea	Wildflower (forb)	3 ft	Sun	High	Zone 3b
American plum Prunus americana	Tree	24 ft	Sun	Medium	Zone 3b
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 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
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 maple Acer nigrum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
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 cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
blue mistflower Conoclinium coelestinum	Wildflower (forb)	3.2 ft	Shade-tolerant	Medium	Zone 6a
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
blunt broom sedge Carex tribuloides	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
blunt spikerush Eleocharis obtusa	Grass or grass-like	1.6 ft	Sun	Medium	Zone 11a
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
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
broadleaf arrowhead Sagittaria latifolia	Wildflower (forb)	4.9 ft	Sun	High	Zone 4a
broadleaf cattail Typha latifolia	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 3b
broadleaf rosette grass Dichanthelium latifolium	Grass or grass-like	3.3 ft	Sun–part shade	Low	Zone 3a
broadleaf signalgrass Urochloa platyphylla	Grass or grass-like	3 ft	Sun	Medium	Zone 9a
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
buffalograss Bouteloua dactyloides	Grass or grass-like	6 in	Sun	Medium	Zone 3b
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
butterweed Packera glabella	Wildflower (forb)	3.2 ft	Sun	High	Zone 10b
calico aster Symphyotrichum lateriflorum	Wildflower (forb)	4 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
Canadian waterweed Elodea canadensis	Wildflower (forb)	—	Sun	High	Zone 4a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
Carolina buckthorn Frangula caroliniana	Tree	20 ft	Shade-tolerant	—	Zone 4b
Carolina elephantsfoot Elephantopus carolinianus	Wildflower (forb)	2.7 ft	Sun	Medium	Zone 6a
Carolina fanwort Cabomba caroliniana	Wildflower (forb)	—	Sun–part shade	High	Zone 5a
Carolina foxtail Alopecurus carolinianus	Grass or grass-like	1.7 ft	Sun	Low	Zone 3a
Carolina rose Rosa carolina	Shrub	5 ft	Sun–part shade	Low	Zone 3a
catbird grape Vitis palmata	Vine	30 ft	Sun–part shade	Medium	Zone 6a
catchfly grass Leersia lenticularis	Grass or grass-like	2.6 ft	Sun	Medium	Zone 4a
cattail sedge Carex typhina	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
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
closed bottle gentian Gentiana andrewsii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
clustered field sedge Carex praegracilis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
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 blue wood aster Symphyotrichum cordifolium	Wildflower (forb)	5 ft	Sun	Low	Zone 3b
common buttonbush Cephalanthus occidentalis	Tree	15 ft	Shade-tolerant	High	Zone 4a
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
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 hoptree Ptelea trifoliata	Tree	25 ft	Sun–part shade	High	Zone 4a
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 sneezeweed Helenium autumnale	Wildflower (forb)	4.9 ft	Sun	Medium	Zone 3a
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
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
crested sedge Carex cristatella	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
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
cursed buttercup Ranunculus sceleratus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 12b
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
deertongue Dichanthelium clandestinum	Grass or grass-like	2 ft	Sun	Low	Zone 4a
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
devil's walkingstick Aralia spinosa	Tree	20 ft	Sun	High	Zone 4b
disk waterhyssop Bacopa rotundifolia	Wildflower (forb)	1 in	Sun	High	Zone 4a
ditch stonecrop Penthorum sedoides	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 4b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
Douglas' sedge Carex douglasii	Grass or grass-like	1.5 ft	Sun	Medium	Zone 4a
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 swampprivet Forestiera acuminata	Tree	33 ft	Shade-tolerant	High	Zone 5b
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
farkleberry Vaccinium arboreum	Tree	28 ft	Shade-tolerant	Medium	Zone 6a
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
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
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
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
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
fringed sedge Carex crinita	Grass or grass-like	5.2 ft	Sun–part shade	Medium	Zone 4a
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
golden crownbeard Verbesina encelioides	Wildflower (forb)	2 ft	Sun	Medium	Zone 5a
golden ragwort Packera aurea	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 3a
golden tickseed Coreopsis tinctoria	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 12b
graceful sedge Carex gracillima	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4a
grassleaf rush Juncus marginatus	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
Gray's sedge Carex grayi	Grass or grass-like	3 ft	Shade-tolerant	High	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 arrow arum Peltandra virginica	Wildflower (forb)	2.3 ft	Sun–part shade	High	Zone 5a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green bulrush Scirpus atrovirens	Grass or grass-like	5.9 ft	Sun	Medium	Zone 2a
green hawthorn Crataegus viridis	Tree	30 ft	Sun	High	Zone 5a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
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
halberdleaf rosemallow Hibiscus laevis	Wildflower (forb)	8 ft	Sun–part shade	High	Zone 6a
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
harvestlice Agrimonia parviflora	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4a
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
horsetail paspalum Paspalum fluitans	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 5a
Illinois bundleflower Desmanthus illinoensis	Wildflower (forb)	3 ft	Sun	Medium	Zone 5b
Indian blanket Gaillardia pulchella	Wildflower (forb)	2 ft	Sun	Medium	Zone 10b
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
interrupted fern Osmunda claytoniana	Fern	4 ft	Shade-tolerant	High	Zone 3b
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	Zone 3a
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 loosestrife Lysimachia lanceolata	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 5a
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
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	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
longleaf pondweed Potamogeton nodosus	Wildflower (forb)	—	Sun	High	Zone 3b
longleaf starwort Stellaria longifolia	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 3b
longleaf woodoats Chasmanthium sessiliflorum	Grass or grass-like	5 ft	Sun	Medium	Zone 7a
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
manyflower flatsedge Cyperus lancastriensis	Grass or grass-like	3.1 ft	Sun	Low	Zone 8a
marsh muhly Muhlenbergia racemosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3b
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Maryland senna Senna marilandica	Wildflower (forb)	6.6 ft	Sun–part shade	Low	Zone 5b
meadow evening primrose Oenothera pilosella	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 5a
Mexican muhly Muhlenbergia mexicana	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4a
Mississippi buttercup Ranunculus laxicaulis	Wildflower (forb)	1.2 ft	Sun–part shade	High	Zone 6b
Missouri goldenrod Solidago missouriensis	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
Missouri gourd Cucurbita foetidissima	Vine	1 ft	Sun	Low	Zone 5a
Missouri ironweed Vernonia missurica	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
Missouri River willow Salix eriocephala	Tree	52 ft	Shade-tolerant	High	Zone 3b
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
Muskingum sedge Carex muskingumensis	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
narrowleaf blue-eyed grass Sisyrinchium angustifolium	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 7a
needle spikerush Eleocharis acicularis	Grass or grass-like	8 in	Sun	Medium	Zone 5a
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 beggartick Bidens cernua	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
nodding fescue Festuca subverticillata	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3a
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
northern catalpa Catalpa speciosa	Tree	60 ft	Sun	Low	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
overcup oak Quercus lyrata	Tree	80 ft	Sun–part shade	High	Zone 5a
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
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	Zone 4a
pecan Carya illinoinensis	Tree	120 ft	Sun	High	Zone 5a
Pennsylvania bittercress Cardamine pensylvanica	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
peppervine Nekemias arborea	Vine	1 in	Shade-tolerant	Medium	Zone 6a
perplexed ticktrefoil Desmodium perplexum	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 4a
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
pickerelweed Pontederia cordata	Wildflower (forb)	3.2 ft	Sun	High	Zone 5a
pin oak Quercus palustris	Tree	100 ft	Sun	High	Zone 4a
pinnate prairie coneflower Ratibida pinnata	Wildflower (forb)	4 ft	Sun	Medium	Zone 3b
poorland flatsedge Cyperus compressus	Grass or grass-like	1 ft	Sun	Medium	Zone 11a
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 crab apple Malus ioensis	Tree	25 ft	Sun	Medium	Zone 4b
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 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
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
purple poppymallow Callirhoe involucrata	Wildflower (forb)	1 ft	Sun	Medium	Zone 3b
purplehead sneezeweed Helenium flexuosum	Wildflower (forb)	3.2 ft	Sun	Low	Zone 4b
purpleleaf willowherb Epilobium coloratum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 4a
purplestem beggarticks Bidens connata	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 12a
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	Zone 3b
ravenfoot sedge Carex crus-corvi	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4b
red maple Acer rubrum	Tree	68 ft	Sun–part shade	High	Zone 2b
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
reed canarygrass Phalaris arundinacea	Grass or grass-like	5 ft	Sun	High	Zone 3b
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
river birch Betula nigra	Tree	70 ft	Sun	High	Zone 4a
river bulrush Bolboschoenus fluviatilis	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
riverbank grape Vitis riparia	Vine	45 ft	Sun–part shade	Medium	Zone 4a
riverbank wildrye Elymus riparius	Grass or grass-like	4.5 ft	Shade-tolerant	High	Zone 4a
Rocky Mountain beeplant Cleome serrulata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 12b
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
rufous bulrush Scirpus pendulus	Grass or grass-like	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
sand lovegrass Eragrostis trichodes	Grass or grass-like	3.5 ft	Sun	Medium	Zone 5a
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sanddune wallflower Erysimum capitatum	Wildflower (forb)	2.5 ft	Sun	Medium	Zone 4b
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
saw greenbrier Smilax bona-nox	Vine	4 ft	Shade-tolerant	Medium	Zone 5b
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
scratchgrass Muhlenbergia asperifolia	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 5b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
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
shortawn foxtail Alopecurus aequalis	Grass or grass-like	2.5 ft	Sun–part shade	High	Zone 3b
shortleaf pine Pinus echinata	Tree	100 ft	Sun	Medium	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
sideoats grama Bouteloua curtipendula	Grass or grass-like	3 ft	Sun	Medium	Zone 3a
silky willow Salix sericea	Tree	12 ft	Sun–part shade	High	Zone 4b
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slender flatsedge Cyperus bipartitus	Grass or grass-like	5 ft	Sun	Medium	Zone 10b
slender spikerush Eleocharis tenuis	Grass or grass-like	2.9 ft	Sun	Low	Zone 5a
slender wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
small beggarticks Bidens discoidea	Wildflower (forb)	5.2 ft	Sun–part shade	High	Zone 12b
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 phlox Phlox glaberrima	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 4b
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
southern waternymph Najas guadalupensis	Wildflower (forb)	1 ft	Sun	High	Zone 3b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
spreading yellowcress Rorippa sinuata	Wildflower (forb)	1 ft	Sun	Medium	Zone 3b
spring avens Geum vernum	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 5b
squarestem spikerush Eleocharis quadrangulata	Grass or grass-like	4 ft	Sun	High	Zone 4b
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
star duckweed Lemna trisulca	Wildflower (forb)	4 in	Sun	High	Zone 3b
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 smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
swamp white oak Quercus bicolor	Tree	100 ft	Sun–part shade	High	Zone 4b
sweet woodreed Cinna arundinacea	Grass or grass-like	4.9 ft	Shade-tolerant	Low	Zone 4a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
tall cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
taperleaf water horehound Lycopus rubellus	Wildflower (forb)	1.6 ft	Shade-tolerant	High	Zone 5a
tapertip flatsedge Cyperus acuminatus	Grass or grass-like	1.3 ft	Sun–part shade	High	Zone 3b
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
three-way sedge Dulichium arundinaceum	Grass or grass-like	2.6 ft	Sun–part shade	High	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
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
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
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
upright prairie coneflower Ratibida columnifera	Wildflower (forb)	3.1 ft	Sun	Medium	Zone 3a
valley redstem Ammannia coccinea	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 3b
variable panicgrass Dichanthelium commutatum	Grass or grass-like	4.9 ft	Sun–part shade	Low	Zone 4b
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 iris Iris virginica	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 8b
Virginia spiderwort Tradescantia virginiana	Wildflower (forb)	1.1 ft	Sun–part shade	Medium	Zone 3b
Virginia threeseed mercury Acalypha virginica	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 10b
Virginia water horehound Lycopus virginicus	Wildflower (forb)	4 ft	Shade-tolerant	High	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
water locust Gleditsia aquatica	Tree	40 ft	Sun–part shade	—	Zone 10a
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
western wheatgrass Pascopyrum smithii	Grass or grass-like	2 ft	Sun	Medium	Zone 3a
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 oak Quercus alba	Tree	100 ft	Sun–part shade	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
whitegrass Leersia virginica	Grass or grass-like	3.9 ft	Shade-tolerant	Medium	Zone 3a
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
willow oak Quercus phellos	Tree	100 ft	Sun	High	Zone 5a
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
wirestem muhly Muhlenbergia frondosa	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 3b
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woodland muhly Muhlenbergia sylvatica	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 4b
woolly plantain Plantago patagonica	Wildflower (forb)	6 in	Sun	Low	Zone 12b
wrinkleleaf goldenrod Solidago rugosa	Wildflower (forb)	3.3 ft	Sun–part shade	Medium	Zone 4a
yellow flatsedge Cyperus flavescens	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
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
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 701

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.

Adam and Eve Aplectrum hyemale
Allegheny monkeyflower Mimulus ringens
American alumroot Heuchera americana
American bluehearts Buchnera americana
American bugseed Corispermum americanum
American burnweed Erechtites hieraciifolius
American dragonhead Dracocephalum parviflorum
American false pennyroyal Hedeoma pulegioides
American featherfoil Hottonia inflata
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American ipecac Gillenia stipulata
American lopseed Phryma leptostachya
American spikenard Aralia racemosa
American star-thistle Centaurea americana
American stoneseed Lithospermum latifolium
American white waterlily Nymphaea odorata
annual marsh elder Iva annua
Appalachian quillwort Isoetes engelmannii
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 coralroot Corallorhiza odontorhiza
autumn onion Allium stellatum
awned halfchaff sedge Lipocarpha aristulata
azure blue sage Salvia azurea
bald spikerush Eleocharis erythropoda
Baldwin's flatsedge Cyperus croceus
Baldwin's ironweed Vernonia baldwinii
Bartram oak Quercus ×heterophylla
bastard toadflax Comandra umbellata
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
bearded skeletongrass Gymnopogon ambiguus
Beck's water-marigold Bidens beckii
beggarslice Hackelia virginiana
big devils beggartick Bidens vulgata
bigbract verbena Verbena bracteata
bigseed alfalfa dodder Cuscuta indecora
bigtop lovegrass Eragrostis hirsuta
birdfoot violet Viola pedata
black baneberry Actaea racemosa
blackseed plantain Plantago rugelii
blackstem spleenwort Asplenium resiliens
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
bloody butcher Trillium recurvatum
blue ash Fraxinus quadrangulata
blue mudplantain Heteranthera limosa
Blue Ridge blueberry Vaccinium pallidum
blue sedge Carex glaucodea
blue skullcap Scutellaria lateriflora
blue waxweed Cuphea viscosissima
blue wild indigo Baptisia australis
bluejacket Tradescantia ohiensis
bluntleaf waterleaf Hydrophyllum canadense
bluntleaf yellowcress Rorippa curvipes
bluntlobe cliff fern Woodsia obtusa
bog yellowcress Rorippa palustris
Bosc's panicgrass Dichanthelium boscii
bottlebrush sedge Carex hystericina
bottomland aster Symphyotrichum ontarionis
bouquet mudplantain Heteranthera multiflora
branched foldwing Dicliptera brachiata
Brazilian watermeal Wolffia brasiliensis
bristleleaf sedge Carex eburnea
bristly greenbrier Smilax tamnoides
broad beechfern Phegopteris hexagonoptera
brook cinquefoil Potentilla rivalis
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
brownish beaksedge Rhynchospora capitellata
buffalo clover Trifolium reflexum
buffalobur nightshade Solanum rostratum
bulblet bladderfern Cystopteris bulbifera
bulbous woodrush Luzula bulbosa
Bush oak Quercus ×bushii
bushy knotweed Polygonum ramosissimum
button eryngo Eryngium yuccifolium
camphorweed Heterotheca subaxillaris
Canada lettuce Lactuca canadensis
Canada toadflax Nuttallanthus canadensis
Canadian anemone Anemone canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
carelessweed Cyclachaena xanthiifolia
Carey's sedge Carex careyana
Carolina canarygrass Phalaris caroliniana
Carolina clover Trifolium carolinianum
Carolina desert-chicory Pyrrhopappus carolinianus
Carolina draba Draba reptans
Carolina geranium Geranium carolinianum
Carolina horsenettle Solanum carolinense
Carolina larkspur Delphinium carolinianum
Carolina leaf-flower Phyllanthus caroliniensis
Carolina mosquitofern Azolla caroliniana
Carolina puccoon Lithospermum caroliniense
Carolina sedge Carex caroliniana
carpenter's square Scrophularia marilandica
celandine poppy Stylophorum diphyllum
chaffweed Anagallis minima
Chapman's bluegrass Poa chapmaniana
cheerful sunflower Helianthus ×laetiflorus
chickenthief Mentzelia oligosperma
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clammy groundcherry Physalis heterophylla
clammy hedgehyssop Gratiola neglecta
clasping milkweed Asclepias amplexicaulis
clasping Venus' looking-glass Triodanis perfoliata
Clayton's sweetroot Osmorhiza claytonii
climbing dogbane Trachelospermum difforme
clustered blacksnakeroot Sanicula odorata
clustered fescue Festuca paradoxa
Columbian watermeal Wolffia columbiana
combleaf yellow false foxglove Aureolaria pectinata
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common dittany Cunila origanoides
common milkweed Asclepias syriaca
common moonseed Menispermum canadense
common pricklyash Zanthoxylum americanum
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
compact dodder Cuscuta compacta
compassplant Silphium laciniatum
Crawe's sedge Carex crawei
Crawford's sedge Carex crawfordii
creeping burhead Echinodorus cordifolius
crowpoison Nothoscordum bivalve
Culver's root Veronicastrum virginicum
Cuman ragweed Ambrosia psilostachya
curlycup gumweed Grindelia squarrosa
curlytop knotweed Polygonum lapathifolium
cusp dodder Cuscuta cuspidata
cutleaf evening primrose Oenothera laciniata
cutleaf grapefern Botrychium dissectum
cutleaf toothwort Cardamine concatenata
cutleaf watermilfoil Myriophyllum pinnatum
cypress panicgrass Dichanthelium dichotomum
Davis' sedge Carex davisii
densetuft hairsedge Bulbostylis capillaris
desert goosefoot Chenopodium pratericola
diamond-flowers Stenaria nigricans
dogtooth violet Erythronium americanum
dotted hawthorn Crataegus punctata
downy carrionflower Smilax pulverulenta
downy gentian Gentiana puberulenta
downy pagoda-plant Blephilia ciliata
downy phlox Phlox pilosa
downy ragged goldenrod Solidago petiolaris
Drummond's aster Symphyotrichum drummondii
Drummond's halfchaff sedge Lipocarpha drummondii
Dudley's rush Juncus dudleyi
dutchman's breeches Dicentra cucullaria
dwarf hackberry Celtis pumila
dwarf horseweed Conyza ramosissima
dwarf larkspur Delphinium tricorne
dwarf plantain Plantago pusilla
earleaf false foxglove Agalinis auriculata
early buttercup Ranunculus fascicularis
early goldenrod Solidago juncea
early meadow-rue Thalictrum dioicum
early saxifrage Saxifraga virginiensis
early wildrye Elymus macgregorii
earlyleaf brome Bromus latiglumis
eastern blue-eyed grass Sisyrinchium atlanticum
eastern bluestar Amsonia tabernaemontana
eastern bottlebrush grass Elymus hystrix
eastern daisy fleabane Erigeron annuus
eastern false rue anemone Enemion biternatum
eastern featherbells Stenanthium gramineum
eastern greenviolet Hybanthus concolor
eastern marsh fern Thelypteris palustris
eastern milkpea Galactia regularis
eastern poison ivy Toxicodendron radicans
eastern prickly gooseberry Ribes cynosbati
eastern star sedge Carex radiata
eastern swamp saxifrage Saxifraga pensylvanica
eastern waterleaf Hydrophyllum virginianum
ebony spleenwort Asplenium platyneuron
Elliott's bentgrass Agrostis elliottiana
Elliott's bluestem Andropogon gyrans
elmleaf goldenrod Solidago ulmifolia
Emory's sedge Carex emoryi
Engelmann's hawthorn Crataegus engelmannii
Equisetum ×ferrissii Equisetum ×ferrissii
erect knotweed Polygonum erectum
eyebane Chamaesyce nutans
fall phlox Phlox paniculata
fall witchgrass Digitaria cognata
false aloe Manfreda virginica
false boneset Brickellia eupatorioides
false hop sedge Carex lupuliformis
false Indian plantain Hasteola suaveolens
feather fingergrass Chloris virgata
feathery false lily of the valley Maianthemum racemosum
fernleaf phacelia Phacelia bipinnatifida
Fernow oak Quercus ×fernowii
fescue sedge Carex festucacea
fetid marigold Dyssodia papposa
feverwort Triosteum perfoliatum
fewflower ticktrefoil Desmodium pauciflorum
fewleaf sunflower Helianthus occidentalis
field lovegrass Eragrostis elliottii
field pansy Viola bicolor
field thistle Cirsium discolor
fire on the mountain Euphorbia cyathophora
fiveangled dodder Cuscuta pentagona
floating mannagrass Glyceria septentrionalis
floating primrose-willow Ludwigia peploides
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
forked threeawn Aristida basiramea
fourflower yellow loosestrife Lysimachia quadriflora
fourleaf milkweed Asclepias quadrifolia
fourpoint evening primrose Oenothera rhombipetala
foxtail barley Hordeum jubatum
foxtail prairie clover Dalea leporina
fragrant bedstraw Galium triflorum
fragrant sumac Rhus aromatica
fringed loosestrife Lysimachia ciliata
fuzzy wuzzy sedge Carex hirsutella
giant ironweed Vernonia gigantea
glade fern Diplazium pycnocarpon
globe flatsedge Cyperus echinatus
glomerate sedge Carex aggregata
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
grassleaf mudplantain Heteranthera dubia
grassy arrowhead Sagittaria graminea
gravelweed Verbesina helianthoides
great blue lobelia Lobelia siphilitica
great Indian plantain Arnoglossum reniforme
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
great waterleaf Hydrophyllum appendiculatum
Greek valerian Polemonium reptans
green adder's-mouth orchid Malaxis unifolia
green antelopehorn Asclepias viridis
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green dragon Arisaema dracontium
green milkweed Asclepias hirtella
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 goldenrod Solidago hispida
hairy hawkweed Hieracium longipilum
hairy hedgenettle Stachys pilosa
hairy lettuce Lactuca hirsuta
hairy pagoda-plant Blephilia hirsuta
hairy pinweed Lechea mucronata
hairy small-leaf ticktrefoil Desmodium ciliare
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
Hall's bulrush Schoenoplectiella hallii
harbinger of spring Erigenia bulbosa
hazel dodder Cuscuta coryli
heartleaf four o'clock Mirabilis nyctaginea
heartleaf plantain Plantago cordata
heartleaf skullcap Scutellaria ovata
heartwing sorrel Rumex hastatulus
heavy sedge Carex gravida
hedge false bindweed Calystegia sepium
Heller's rosette grass Dichanthelium oligosanthes
hemlock waterparsnip Sium suave
Hitchcock's sedge Carex hitchcockiana
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
humped bladderwort Utricularia gibba
husk tomato Physalis pubescens
hybrid oak Quercus ×leana
hyssopleaf hedgenettle Stachys aspera
Illinois ticktrefoil Desmodium illinoense
Indian-tobacco Lobelia inflata
Indianpipe Monotropa uniflora
inflated narrow-leaf sedge Carex grisea
James' sedge Carex jamesii
Java-bean Senna obtusifolia
jumpseed Polygonum virginianum
kiss me quick Portulaca pilosa
lace grass Eragrostis capillaris
lakecress Neobeckia aquatica
lanceleaf buckthorn Rhamnus lanceolata
lanceleaf fogfruit Phyla lanceolata
lanceleaf ragweed Ambrosia bidentata
lanceleaf sage Salvia reflexa
large Indian breadroot Pediomelum esculentum
largebract ticktrefoil Desmodium cuspidatum
largebracted plantain Plantago aristata
largeflower bellwort Uvularia grandiflora
largeflower tickseed Coreopsis grandiflora
largeseed forget-me-not Myosotis macrosperma
lateflowering thoroughwort Eupatorium serotinum
Leavenworth's sedge Carex leavenworthii
Leiberg's panicum Dichanthelium leibergii
lemon beebalm Monarda citriodora
lemonyellow false goldenaster Heterotheca camporum
lesser duckweed Lemna aequinoctialis
lesser yellow lady's slipper Cypripedium parviflorum
licorice bedstraw Galium circaezans
light poppymallow Callirhoe alcaeoides
limestone adderstongue Ophioglossum engelmannii
limestone calamint Clinopodium arkansanum
little duckweed Lemna obscura
little lady's tresses Spiranthes tuberosa
lizard's tail Saururus cernuus
longflower beeblossom Oenothera filiformis
longleaf groundcherry Physalis longifolia
longleaf summer bluet Houstonia longifolia
longstyle sweetroot Osmorhiza longistylis
Louisiana broomrape Orobanche ludoviciana
Louisiana sedge Carex louisianica
low false bindweed Calystegia spithamaea
low nutrush Scleria verticillata
low spearwort Ranunculus pusillus
low spikesedge Kyllinga pumila
lowland bladderfern Cystopteris protrusa
lowland rotala Rotala ramosior
lowland yellow loosestrife Lysimachia hybrida
Lucretia dewberry Rubus roribaccus
lyrate rockcress Arabis lyrata
lyreleaf sage Salvia lyrata
maidenhair spleenwort Asplenium trichomanes
man of the earth Ipomoea pandurata
manyfruit primrose-willow Ludwigia polycarpa
mapleleaf goosefoot Chenopodium simplex
marginal woodfern Dryopteris marginalis
marsh bristlegrass Setaria parviflora
marsh pea Lathyrus palustris
mat sandbur Cenchrus longispinus
matted sandmat Chamaesyce serpens
Maximilian sunflower Helianthus maximiliani
mayapple Podophyllum peltatum
Mead's sedge Carex meadii
meadow garlic Allium canadense
meadow zizia Zizia aptera
Mexican Mosquito Fern Azolla microphylla
Mexican plum Prunus mexicana
Miami mist Phacelia purshii
Michaux's croton Croton michauxii
Michigan lily Lilium michiganense
midland sedge Carex mesochorea
minute duckweed Lemna perpusilla
Missouri gooseberry Ribes missouriense
mucronate sprangletop Leptochloa panicea
mudbabies Echinodorus tenellus
mudbank crowngrass Paspalum dissectum
Muhlenberg's sedge Carex muehlenbergii
mullein foxglove Dasistoma macrophylla
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf paleseed Leucospora multifida
narrowleaf pinweed Lechea tenuifolia
narrowleaf stoneseed Lithospermum incisum
narrowleaf vervain Verbena simplex
neckweed Veronica peregrina
needleleaf sedge Carex duriuscula
New England aster Symphyotrichum novae-angliae
nits and lice Hypericum drummondii
nodding chickweed Cerastium nutans
nodding muhly Muhlenbergia bushii
nodding onion Allium cernuum
nodding wakerobin Trillium flexipes
northern dewberry Rubus flagellaris
northern selaginella Selaginella rupestris
northern slender lady's tresses Spiranthes lacera
northern wildrice Zizania palustris
Norwegian cinquefoil Potentilla norvegica
Nottoway Valley brome Bromus nottowayanus
Nuttall's prairie parsley Polytaenia nuttallii
obedient plant Physostegia virginiana
October lady's tresses Spiranthes ovalis
oldfield milkvine Matelea decipiens
oneflowered broomrape Orobanche uniflora
oneseed bur cucumber Sicyos angulatus
Ontario blazing star Liatris cylindracea
pale beardtongue Penstemon pallidus
pale dock Rumex altissimus
pale Indian plantain Arnoglossum atriplicifolium
palegreen orchid Platanthera flava
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
Paradox cinquefoil Potentilla paradoxa
parasol sedge Carex umbellata
pasture heliotrope Heliotropium tenellum
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
Philadelphia panicgrass Panicum philadelphicum
pineland threeseed mercury Acalypha ostryifolia
pinesap Monotropa hypopitys
pinkladies Oenothera speciosa
pitcher's stitchwort Minuartia patula
pitseed goosefoot Chenopodium berlandieri
plain gentian Gentiana alba
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 cupgrass Eriochloa contracta
prairie groundsel Packera plattensis
prairie ironweed Vernonia fasciculata
prairie milkweed Asclepias sullivantii
prairie rosinweed Silphium terebinthinaceum
prairie sunflower Helianthus petiolaris
prairie tea Croton monanthogynus
prairie threeawn Aristida oligantha
prairie violet Viola pedatifida
prostrate ticktrefoil Desmodium rotundifolium
pubescent sedge Carex hirtifolia
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 rattlesnakeroot Prenanthes racemosa
purple sandgrass Triplasis purpurea
purplerocket Iodanthus pinnatifidus
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
ram's horn Proboscidea louisianica
ramp Allium tricoccum
Ravenel's rosette grass Dichanthelium ravenelii
red columbine Aquilegia canadensis
red hickory Carya ovalis
red lovegrass Eragrostis secundiflora
Red River scaleseed Spermolepis inermis
redwhisker clammyweed Polanisia dodecandra
reflexed flatsedge Cyperus refractus
reflexed sedge Carex retroflexa
ribseed sandmat Chamaesyce glyptosperma
Richardson's alumroot Heuchera richardsonii
richwoods sedge Carex oligocarpa
River Broom-Rape Orobanche riparia
robin's plantain Erigeron pulchellus
rock buttercup Ranunculus micranthus
rock muhly Muhlenbergia sobolifera
rock polypody Polypodium virginianum
Rocky Mountain goosefoot Chenopodium salinum
rope dodder Cuscuta glomerata
rose mock vervain Glandularia canadensis
rosepink Sabatia angularis
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
rough dropseed Sporobolus clandestinus
rough false pennyroyal Hedeoma hispida
rough hawkweed Hieracium scabrum
roundleaf ragwort Packera obovata
roundseed panicgrass Dichanthelium sphaerocarpon
roundseed St. Johnswort Hypericum sphaerocarpum
rue anemone Thalictrum thalictroides
rusty blackhaw Viburnum rufidulum
s-curve threeawn Aristida ramosissima
saltmeadow rush Juncus gerardii
Sampson's snakeroot Orbexilum pedunculatum
sand bittercress Cardamine parviflora
sand grape Vitis rupestris
sand violet Viola affinis
sandhill amaranth Amaranthus arenicola
scaldweed Cuscuta gronovii
scaly blazing star Liatris squarrosa
scarlet beeblossom Oenothera suffrutescens
Schweinitz's flatsedge Cyperus schweinitzii
Schweinitz's sedge Carex schweinitzii
scrambled eggs Corydalis aurea
seedbox Ludwigia alternifolia
sensitive fern Onoclea sensibilis
sensitive partridge pea Chamaecrista nictitans
sessilefruit arrowhead Sagittaria rigida
sessileleaf ticktrefoil Desmodium sessilifolium
shaggy crabgrass Digitaria villosa
shaggy dwarf morning-glory Evolvulus nuttallianus
shining bedstraw Galium concinnum
shining clubmoss Huperzia lucidula
Short's rockcress Arabis shortii
shortbeak arrowhead Sagittaria brevirostra
shortbeak sedge Carex brevior
shortpod draba Draba brachycarpa
shortstalk chickweed Cerastium brachypodum
shortstalk false bindweed Calystegia silvatica
showy evening primrose Oenothera grandis
showy orchid Galearis spectabilis
shrubby lespedeza Lespedeza frutescens
sicklepod Arabis canadensis
sidebeak pencilflower Stylosanthes biflora
silky dogwood Cornus obliqua
silver false spleenwort Deparia acrostichoides
sixweeks fescue Vulpia octoflora
skeletonleaf bur ragweed Ambrosia tomentosa
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender crabgrass Digitaria filiformis
slender fimbry Fimbristylis autumnalis
slender lespedeza Lespedeza virginica
slender lipfern Cheilanthes feei
slender looseflower sedge Carex gracilescens
slender plantain Plantago heterophylla
slender snakecotton Froelichia gracilis
slender wedgescale Sphenopholis intermedia
slender woodland sedge Carex digitalis
slenderleaf false foxglove Agalinis tenuifolia
slickseed fuzzybean Strophostyles leiosperma
slimflower scurfpea Psoralidium tenuiflorum
slimleaf panicgrass Dichanthelium linearifolium
slimpod Venus' looking-glass Triodanis leptocarpa
slimspike threeawn Aristida longespica
small pondweed Potamogeton pusillus
small skullcap Scutellaria parvula
smallflower fumewort Corydalis micrantha
smallflower halfchaff sedge Lipocarpha micrantha
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
smooth white oldfield aster Symphyotrichum racemosum
sneezeweed Helenium amarum
snow on the mountain Euphorbia marginata
soft agrimony Agrimonia pubescens
soft fox sedge Carex conjuncta
soft-hair marbleseed Onosmodium bejariense
southeastern wildrye Elymus glabriflorus
southern dewberry Rubus trivialis
southern sedge Carex austrina
Spanish gold Grindelia papposa
Spanish needles Bidens bipinnata
spiked crested coralroot Hexalectris spicata
spoonleaf purple everlasting Gamochaeta purpurea
spotted geranium Geranium maculatum
spotted pondweed Potamogeton pulcher
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading chervil Chaerophyllum procumbens
spreading dogbane Apocynum androsaemifolium
spreading sandmat Chamaesyce humistrata
spring blue eyed Mary Collinsia verna
spring coralroot Corallorhiza wisteriana
spring forget-me-not Myosotis verna
squirrel corn Dicentra canadensis
St. Andrew's cross Hypericum hypericoides
stalked wild petunia Ruellia pedunculata
Standley's goosefoot Chenopodium standleyanum
star tickseed Coreopsis pubescens
starved panicgrass Dichanthelium depauperatum
stiff cowbane Oxypolis rigidior
stiff tickseed Coreopsis palmata
stiff ticktrefoil Desmodium obtusum
stiff yellow flax Linum medium
stout rush Juncus nodatus
striped cream violet Viola striata
sunbright Phemeranthus parviflorus
swamp dock Rumex verticillatus
swamp thistle Cirsium muticum
swamp verbena Verbena hastata
sweet coneflower Rudbeckia subtomentosa
sweetscented joe pye weed Eutrochium purpureum
tall blazing star Liatris aspera
tall rattlesnakeroot Prenanthes altissima
tall thimbleweed Anemone virginiana
tall thistle Cirsium altissimum
tall thoroughwort Eupatorium altissimum
tall tickseed Coreopsis tripteris
tasselflower brickellbush Brickellia grandiflora
Tennessee bladderfern Cystopteris tennesseensis
terrestrial water-starwort Callitriche terrestris
Texas sedge Carex texensis
Texas signalgrass Urochloa texana
Texas star Sabatia campestris
Texas toadflax Nuttallanthus texanus
thicket bean Phaseolus polystachios
thin paspalum Paspalum setaceum
threadleaf evening primrose Oenothera linifolia
three-lobe violet Viola triloba
threeflower melicgrass Melica nitens
tinted woodland spurge Euphorbia commutata
tiny bluet Houstonia pusilla
toothed spurge Euphorbia dentata
trailing lespedeza Lespedeza procumbens
trailing pearlwort Sagina decumbens
tufted lovegrass Eragrostis pectinacea
tumble windmill grass Chloris verticillata
twoflower dwarfdandelion Krigia biflora
twoleaf miterwort Mitella diphylla
twoleaf watermilfoil Myriophyllum heterophyllum
umbrella flatsedge Cyperus diandrus
upright burhead Echinodorus berteroi
upright carrionflower Smilax ecirrhata
veiny pea Lathyrus venosus
velvetweed Oenothera curtiflora
Venus' pride Houstonia purpurea
vervain Verbena ×engelmannii
vervain Verbena ×perriana
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia bunchflower Veratrum virginicum
Virginia groundcherry Physalis virginiana
Virginia mountainmint Pycnanthemum virginianum
Virginia pepperweed Lepidium virginicum
Virginia plantain Plantago virginica
Virginia snakeroot Aristolochia serpentaria
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
walking fern Asplenium rhizophyllum
warty spurge Euphorbia spathulata
waterpurslane Didiplis diandra
watershield Brasenia schreberi
wavyleaf thistle Cirsium undulatum
waxyfruit hawthorn Crataegus pruinosa
weak rush Juncus debilis
wedgeleaf draba Draba cuneifolia
western horsenettle Solanum dimidiatum
western rockjasmine Androsace occidentalis
western rough goldenrod Solidago radula
western silver aster Symphyotrichum sericeum
western tansymustard Descurainia pinnata
western waterweed Elodea nuttallii
whip nutrush Scleria triglomerata
white arrowleaf aster Symphyotrichum urophyllum
white baneberry Actaea pachypoda
white bear sedge Carex albursina
white blue-eyed grass Sisyrinchium albidum
white crownbeard Verbesina virginica
white fawnlily Erythronium albidum
white four o'clock Mirabilis albida
white heath aster Symphyotrichum ericoides
white lady's slipper Cypripedium candidum
white prairie aster Symphyotrichum falcatum
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white turtlehead Chelone glabra
white vervain Verbena urticifolia
whiteflower leafcup Polymnia canadensis
whitemouth dayflower Commelina erecta
whitestar Ipomoea lacunosa
whitetinge sedge Carex albicans
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
whorled milkwort Polygala ambigua
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
widowsfrill Silene stellata
wild comfrey Cynoglossum virginianum
wild cucumber Echinocystis lobata
wild hydrangea Hydrangea arborescens
wild quinine Parthenium integrifolium
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
winged pigweed Cycloloma atriplicifolium
wingstem Verbesina alternifolia
wiry panicgrass Panicum flexile
witchgrass Panicum capillare
woman's tobacco Antennaria plantaginifolia
wood lily Lilium philadelphicum
Wood's bunchflower Veratrum woodii
woodland lettuce Lactuca floridana
woodland sunflower Helianthus divaricatus
woolly dutchman's pipe Aristolochia tomentosa
woolly sedge Carex pellita
yellow giant hyssop Agastache nepetoides
yellow pimpernel Taenidia integerrima
yellow water buttercup Ranunculus flabellaris
yellowfruit horse-gentian Triosteum angustifolium
yellowfruit sedge Carex annectens
yellowseed false pimpernel Lindernia dubia
zigzag iris Iris brevicaulis
zigzag spiderwort Tradescantia subaspera

Also listed as native and introduced here 4

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
bride's feathersAruncus dioicus
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. Louis County and Missouri
Measure	St. Louis County	Typical county	Statewide
Native species	1,081	557	1,678
Garden-ready natives	380	219	558
Tree	94	—	149
Shrub	19	—	59
Wildflower (forb)	639	—	936
Grass or grass-like	244	—	395
Vine	53	—	79
Fern	32	—	60

Neighboring counties

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

Franklin County, MO 258 garden-ready
Jefferson County, MO 286 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. Louis County (county FIPS 29189), Missouri. 1,081 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

Independent reference site. No government affiliation or endorsement.