Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Sparganium angustifolium | Narrowleaf Bur-reed | |
| Spiranthes arcisepala | Appalachian Ladies' Tresses | |
| Spartina ×caespitosa | Cordgrass Mixed Cordgrass | |
| Spergularia canadensis | Canadian Sandspurry | |
| Spiranthes casei | Case's Ladies'-tresses Case's Lady's Tresses | |
| Spergularia canadensis var. canadensis | Canadian Sandspurry | |
| Spiranthes casei var. casei | Case's Ladies'-tresses Case's Lady's Tresses | |
| Spiranthes cernua | Nodding Ladies'-tresses Ladies'-tresses Nodding Lady's Tresses | |
| Sporobolus compositus | Tall Dropseed Composite Dropseed Rough Dropseed | |
| Sporobolus contractus | Narrow-spike Dropseed Spike Dropseed | |
| Sporobolus compositus var. compositus | Composite Dropseed Tall Dropseed | |
| Sporobolus cryptandrus | Sand Dropseed | |
| Sparganium emersum | European Bur-reed European Bur Reed | |
| Sparganium eurycarpum | Broadfruit Bur-reed Giant Bur-reed Great Bur-reed | |
| Sparganium fluctuans | Floating Bur-reed | |
| Sphenopholis intermedia | Slender Wedgescale | |
| Spiranthes lacera | Northern Slender Ladies'-tresses Slender Ladies'-tresses Slender Lady's Tresses | |
| Spiranthes lacera var. lacera | Northern Slender Ladies'-tresses Slender Lady's Tresses | |
| Spiranthes lucida | Shining Ladies'-tresses Shining Lady's Tresses | |
| Sparganium natans | Small Bur-reed | |
| Sporobolus nealleyi | Gyp Dropseed Nealley's Dropseed Gypgrass | |
| Sporobolus neglectus | Puffsheath Dropseed Small Dropseed | |
| Sphenopholis obtusata | Prairie Wedgescale | |
| Spiranthes ochroleuca | Yellow Nodding Ladies'-tresses Yellow Nodding Lady's Tresses | |
| Spartina patens | Saltmeadow Cordgrass Salt-meadow Cordgrass Marsh-hay Cordgrass | |
| Sphenopholis ×pallens | Wedgescale | |
| Spartina pectinata | Prairie Cordgrass Freshwater Cordgrass Sloughgrass | |
| Spiranthes romanzoffiana | Hooded Ladies'-tresses Hooded Lady's Tresses | |
| Spergularia salina | Salt Sandspurry | |
| Spiraea septentrionalis | Northern Meadowsweet | |
| Spiranthes ×simpsonii | Ladies'-tresses Lady's Tresses | |
| Spiraea tomentosa | Steeplebush | |
| Sporobolus vaginiflorus | Poverty Dropseed | |
| Sporobolus vaginiflorus var. vaginiflorus | Poverty Dropseed | |
| Stellaria alsine | Bog Chickweed Bog Stitchwort | |
| Streptopus amplexifolius | Claspleaf Twistedstalk Claspleaf Twisted-stalk White Mandarin | |
| Streptopus amplexifolius var. amplexifolius | Claspleaf Twistedstalk | |
| Stachys aspera | Hyssopleaf Hedgenettle Gritty Hedge-nettle Rough Hedge-nettle | |
| Stellaria borealis | Boreal Starwort | |
| Stellaria borealis ssp. borealis | Boreal Starwort | |
| Stuckenia filiformis | Fineleaf Pondweed Thread-leaved False Pondweed | |
| Stuckenia filiformis ssp. alpina | Fineleaf Pondweed | |
| Stuckenia filiformis ssp. occidentalis | Western Fineleaf Pondweed | |
| Strophostyles helvola | Trailing Fuzzybean Amberique-bean Trailing Wild Bean Trailing Fuzzy Bean | |
| Stellaria humifusa | Saltmarsh Starwort | |
| Stachys hyssopifolia | Hyssopleaf Hedgenettle Hyssop-leaf Hedge-nettle Hyssop-leaved Hedgenettle Hyssop Hedge-nettle Rough Hedge-nettle | |
| Streptopus lanceolatus | Twistedstalk Rosy Twisted-stalk | |
| Streptopus lanceolatus var. lanceolatus | Twistedstalk | |
| Stellaria longifolia | Longleaf Starwort | |
| Stellaria longifolia var. longifolia | Longleaf Starwort | |
| Stellaria longipes ssp. longipes | Goldie's Chickweed Goldie's Starwort Longstalk Starwort | |
| Streptopus ×oreopolus | Twistedstalk | |
| Stachys palustris | Marsh Hedgenettle | |
| Stuckenia pectinata | Sago Pondweed | |
| Stachys pilosa | Hairy Hedgenettle | |
| Stachys pilosa var. arenicola | Sand Hedgenettle Sandyland Hairy Hedgenettle Hairy Hedgenettle | |
| Stachys pilosa var. pilosa | Hairy Hedgenettle | |
| Stachys tenuifolia | Smooth Hedgenettle Slender Betony | |
| Stuckenia vaginata | Sheathed Pondweed | |
| Subularia aquatica | Water Awlwort | |
| Subularia aquatica var. americana | American Water-awlwort | |
| Suaeda calceoliformis | Pursh Seepweed | |
| Suaeda linearis | Annual Seepweed | |
| Suaeda maritima | Herbaceous Seepweed | |
| Suaeda maritima ssp. richii | Rich's Seepweed | |
| Symphoricarpos albus | Common Snowberry | |
| Symphoricarpos albus var. laevigatus | Common Snowberry Upright Snowberry | |
| Symphyotrichum anticostense | Anticosti Island Aster | |
| Symphyotrichum boreale | Northern Bog Aster | |
| Symphyotrichum ciliolatum | Lindley's Aster | |
| Symphyotrichum ciliatum | Rayless Alkali Aster Alkali American-aster Rayless Aster | |
| Symphyotrichum cordifolium | Broad-leaved Aster Common Blue Wood Aster Heartleaf Aster | |
| Symphyotrichum dumosum | Rice Button Aster White Bushy Aster | |
| Symphyotrichum dumosum var. dumosum | Rice Button Aster Bushy Aster | |
| Symphyotrichum dumosum var. subulifolium | Rice Button Aster | |
| Symphyotrichum ericoides | White Heath Aster Heath Aster | |
| Symphyotrichum ericoides var. ericoides | White Heath Aster Heath Aster White Aster White Prairie Aster | |
| Symplocarpus foetidus | Skunk Cabbage Skunk-cabbage | |
| Symphyotrichum laeve | Smooth Blue Aster | |
| Symphyotrichum lateriflorum | Calico Aster | |
| Symphyotrichum lanceolatum | Whitepanicle Aster Panicled Aster Lanceleaf Aster White Panicle Aster | |
| Symphyotrichum lateriflorum var. angustifolium | Calico Aster | |
| Symphyotrichum lateriflorum var. horizontale | Calico Aster | |
| Symphyotrichum laeve var. laeve | Smooth Blue Aster Smooth Aster | |
| Symphyotrichum lanceolatum var. lanceolatum | White Panicle Aster | |
| Symphyotrichum lanceolatum var. latifolium | White Panicle Aster | |
| Symphyotrichum lanceolatum ssp. lanceolatum | White Panicle Aster Panicled Aster | |
| Symphyotrichum lateriflorum var. lateriflorum | Calico Aster | |
| Symphyotrichum lateriflorum var. tenuipes | Calico Aster | |
| Symphyotrichum novae-angliae | New England Aster New England American-aster | |
| Symphyotrichum novi-belgii | New York Aster | |
| Symphyotrichum novi-belgii var. elodes | New York Aster | |
| Symphyotrichum novi-belgii var. novi-belgii | New York Aster | |
| Symphyotrichum novi-belgii var. villicaule | Hairy New York Aster | |
| Symphyotrichum patens | Late Purple Aster | |
| Symphyotrichum patens var. patens | Spreading Aster Late Purple Aster Spread-leaf Aster Sky-drop Aster | |
| Symphyotrichum pilosum | Hairy White Oldfield Aster | |
| Symphyotrichum pilosum var. pringlei | Aster de Pringle Pringle's Aster | |
| Symphyotrichum pilosum var. pilosum | Hairy White Oldfield Aster Frost Aster | |
| Symphyotrichum praealtum | Willowleaf Aster | |
| scientific name | common name(s) | image gallery |
