Search by Scientific Name
211 records
| Scientific Name | Common Name | Other Names | Family |
|---|---|---|---|
| Sabal minor | dwarf palmetto | palmetto, bush palmetto | Arecaceae |
| Sabal palmetto | cabbage palmetto | cabbage palm | Arecaceae |
| Sabatia angularis | rosepink | rose-pink, squarestem rosegentian, common marsh-pink, bitter-bloom, rose pink | Gentianaceae |
| Sabatia arenicola | sand rose gentian | sand rosegentian, sand rose-gentian | Gentianaceae |
| Sabatia calycina | coastal rose gentian | coastal rosegentian | Gentianaceae |
| Sabatia campestris | texas star | meadow pink, prairie rose gentian | Gentianaceae |
| Sabatia stellaris | rose of plymouth | saltmarsh sabatia | Gentianaceae |
| Saccharum baldwinii | narrow plumegrass | narrow plume grass | Poaceae |
| Saccharum giganteum | sugarcane plumegrass | giant plume grass | Poaceae |
| Saccharum officinarum | sugarcane | Poaceae | |
| Sacciolepis indica | glenwoodgrass | glenwood grass | Poaceae |
| Sacciolepis striata | american cupscale | Poaceae | |
| Sagina decumbens | trailing pearlwort | Caryophyllaceae | |
| Sagittaria graminea | sagittaire à feuilles de graminées | grass-leaf arrowhead, grassy arrowhead, sagittaire a feuilles de graminees, grass-leaved sagittaria | Alismataceae |
| Sagittaria lancifolia | bulltongue arrowhead | bulltongue, scythefruit arrowhead, lanceleaf arrowhead, duck-potato | Alismataceae |
| Sagittaria latifolia | broadleaf arrowhead | wapato, sagittaire latifoliée, common arrowhead, duck-potato, arrowhead | Alismataceae |
| Sagittaria papillosa | nipplebract arrowhead | Alismataceae | |
| Sagittaria platyphylla | delta arrowhead | Alismataceae | |
| Sagittaria subulata | awl-leaf arrowhead | Alismataceae | |
| Salicornia bigelovii | dwarf saltwort | Chenopodiaceae | |
| Salicornia depressa | virginia glasswort | american glasswort | Chenopodiaceae |
| Salix caroliniana | carolina willow | coastal plain willow, long-pedicelled willow | Salicaceae |
| Salix interior | sandbar willow | sand-bar willow | Salicaceae |
| Salix nigra | black willow | gulf black willow, lindheimer's black willow | Salicaceae |
| Salvia azurea | azure blue sage | blue sage, pitcher's sage, pitcher sage | Lamiaceae |
| Salvia coccinea | blood sage | scarlet sage, tropical sage, red sage, indian fire, mirto, mejorana | Lamiaceae |
| Salvia farinacea | mealycup sage | mealy blue sage, mealy sage | Lamiaceae |
| Salvia lyrata | cancerweed | lyreleaf sage, lyre-leaf sage, cancer weed, cancer-weed | Lamiaceae |
| Salvinia minima | water spangles | water fern | Salviniaceae |
| Salvinia molesta | kariba-weed | african payal, kariba weed, water fern, aquarium watermoss, giant salvinia | Salviniaceae |
| Sambucus nigra | elderberry | european black elder, european elderberry, european black elderberry, elder, elderberry, common elderberry, black elderberry | Caprifoliaceae |
| Samolus ebracteatus | limewater brookweed | bractless brookweed, mojave water pimpernel | Primulaceae |
| Samolus valerandi | seaside brookweed | water-pimpernel, water pimpernel | Primulaceae |
| Sanguinaria canadensis | bloodroot | red puccoon | Papaveraceae |
| Sanicula canadensis | canadian blacksnakeroot | black snakeroot | Apiaceae |
| Sanicula smallii | small's blacksnakeroot | Apiaceae | |
| Sapindus saponaria | wingleaf soapberry | soapberry, wild china tree | Sapindaceae |
| Sarracenia alata | yellow trumpets | pale pitcherplant, pitcherplant, winged pitcherplant, yellow pitcher plant, yellow trumpet, flycatcher, trumpet pitcher plant | Sarraceniaceae |
| Sarracenia psittacina | parrot pitcherplant | Sarraceniaceae | |
| Sassafras albidum | sassafras | ague tree, cinnamon wood, mitten tree, saloop, smelling stick, white sassafras, gumbo file | Lauraceae |
| Saururus cernuus | lizard's tail | lézardelle penche, lizard's-tail, breast weed, water dragon | Saururaceae |
| Saxifraga texana | texas saxifrage | Saxifragaceae | |
| Scaevola plumieri | gullfeed | inkberry | Goodeniaceae |
| Schisandra glabra | bay starvine | Schisandraceae | |
| Schizachyrium maritimum | gulf bluestem | Poaceae | |
| Schizachyrium scoparium | little bluestem | popotillo azul | Poaceae |
| Schizachyrium scoparium var. littorale | shore little bluestem | Poaceae | |
| Schizachyrium tenerum | slender bluestem | slender little bluestem | Poaceae |
| Schoenolirion croceum | yellow sunnybell | yellow sunny-bell, sunnybell | Liliaceae |
| Schoenolirion wrightii | texas sunnybell | Liliaceae | |
| Schoenoplectus americanus | chairmaker's bulrush | american bulrush, olney bulrush, schoenoplectus, olney three-square | Cyperaceae |
| Schoenoplectus californicus | california bulrush | Cyperaceae | |
| Schoenoplectus etuberculatus | canby's bulrush | Cyperaceae | |
| Schoenoplectus pungens | common threesquare | schoenoplectus, chairmaker's-rush, american bulrush, threesquare bulrush, sharp clubrush | Cyperaceae |
| Schoenoplectus tabernaemontani | soft-stem bulrush | great bulrush, softstem bulrush, soft-strem club-rush | Cyperaceae |
| Schwalbea americana | chaffseed | american chaffseed | Scrophulariaceae |
| Scirpus cyperinus | cottongrass | woolgrass, cottongrass bulrush, marsh bulrush, teddybear paws, wool-grass, bulrush | Cyperaceae |
| Scirpus lineatus | drooping bulrush | Cyperaceae | |
| Scleria ciliata | fringed nutrush | Cyperaceae | |
| Scleria georgiana | slenderfruit nutrush | slender nut-rush | Cyperaceae |
| Scleria hirtella | riverswamp nutrush | Cyperaceae | |
| Scleria muehlenbergii | muehlenberg's nutrush | Cyperaceae | |
| Scleria oligantha | littlehead nutrush | Cyperaceae | |
| Scleria pauciflora | few-flowered nutrush | fewflower nutrush, carolina-whipgrass | Cyperaceae |
| Scleria triglomerata | whip nutrush | whip-grass, whipgrass | Cyperaceae |
| Scleria verticillata | low nutrush | low nut-rush | Cyperaceae |
| Sclerolepis uniflora | pink bogbutton | Asteraceae | |
| Scoparia dulcis | licorice weed | bitterbroom, riceweed, sweetbroom, sweet broomwart | Scrophulariaceae |
| Scutellaria cardiophylla | gulf skullcap | Lamiaceae | |
| Scutellaria drummondii | drummond's skullcap | Lamiaceae | |
| Scutellaria elliptica | hairy skullcap | Lamiaceae | |
| Scutellaria integrifolia | hyssop skullcap | helmet flower, helmet-flower, rough skullcap, common large skullcap, tall skullcap | Lamiaceae |
| Scutellaria ovata | heartleaf skullcap | heart-leaf skullcap, eggleaf skullcap, forest skullcap | Lamiaceae |
| Scutellaria parvula | small skullcap | Lamiaceae | |
| Scutellaria racemosa | south american skullcap | Lamiaceae | |
| Sechium edule | chayote | Cucurbitaceae | |
| Securigera varia | crownvetch | purple crownvetch | Fabaceae |
| Sedum nuttallianum | yellow stonecrop | Crassulaceae | |
| Selaginella apoda | meadow spikemoss | sélaginelle apode, meadow spike-moss, spring meadow spikemoss | Selaginellaceae |
| Selaginella arenicola | sand spikemoss | Selaginellaceae | |
| Senecio ampullaceus | texas ragwort | texas grounsdel, texas butterweed | Asteraceae |
| Senna alata | emperor's candlesticks | Fabaceae | |
| Senna marilandica | maryland senna | wild senna, maryland wild senna, southern wild senna | Fabaceae |
| Senna obtusifolia | java-bean | sicklepod, java bean, sickle-pod | Fabaceae |
| Serenoa repens | saw palmetto | Arecaceae | |
| Sesbania drummondii | rattlebox | poisonbean, rattlebush, poison bean, coffee bean, yellow rattlebox | Fabaceae |
| Sesbania herbacea | coffeeweed | bigpod sesbania, colorado riverhemp, hemp sesbania, peatree | Fabaceae |
| Sesbania punicea | red rattlebox | rattlebox | Fabaceae |
| Sesbania vesicaria | bagpod | bag-pod, bladder pod | Fabaceae |
| Sesuvium portulacastrum | shoreline seapurslane | cencilla, sea purslane | Aizoaceae |
| Setaria magna | giant foxtail | giant bristle grass, giant bristlegrass | Poaceae |
| Setaria parviflora | marsh bristlegrass | knotroot bristlegrass, marsh bristle grass, yellow bristlegrass, knotroot foxtail-grass | Poaceae |
| Setaria pumila | yellow foxtail | pigeon grass, yellow bristlegrass | Poaceae |
| Seutera angustifolia | gulf coast swallow-wort | gulf coast swallowwort, marsh swallowwort | Asclepiadaceae |
| Sherardia arvensis | blue fieldmadder | field-madder, spurwort, herb sherard | Rubiaceae |
| Sida lindheimeri | showy fanpetals | lindheimer's sida | Malvaceae |
| Sida rhombifolia | cuban jute | cuban-jute, arrowleaf side, cuba jewt | Malvaceae |
| Sideroxylon lanuginosum | gum bully | gum bumelia, woollybucket bumelia, woolly bumelia, gum woollybucket, woolly buckthorn, chittamwood, shittamwood, gum elastic, coma | Sapotaceae |
| Sideroxylon lycioides | buckthorn bully | buckthorn bumelia, buckthorn, smooth bumelia, ironwood | Sapotaceae |
| Silene antirrhina | sleepy catchfly | catchfly, sleepy campion, sleepy silene | Caryophyllaceae |
| Silene gallica | common catchfly | forked catchfly | Caryophyllaceae |
| Silene stellata | widowsfrill | starry campion | Caryophyllaceae |
| Silene subciliata | louisiana catchfly | prairie-fire pink, catchfly | Caryophyllaceae |
| Silene virginica | fire pink | scarlet catchfly | Caryophyllaceae |
| Silphium asteriscus | starry rosinweed | Asteraceae | |
| Silphium integrifolium | wholeleaf rosinweed | entire-leaf rosinweed | Asteraceae |
| Silphium laciniatum | compass plant | compassplant | Asteraceae |
| Silphium perfoliatum | cup plant | cup-plant, cupleaf rosinweed, squarestem rosinweed, indian cup | Asteraceae |
| Silphium radula | roughstem rosinweed | Asteraceae | |
| Silphium radula var. gracile | slender rosinweed | Asteraceae | |
| Sisyrinchium angustifolium | narrowleaf blue-eyed grass | blueeyed grass, common blue-eyed grass, common blue-eyedgrass, blue-eyed grass, narrow-leaf blue-eyed-grass, bermuda blue-eyed grass | Iridaceae |
| Sisyrinchium atlanticum | eastern blue-eyed-grass | eastern blueeyed grass, eastern blue-eyed grass | Iridaceae |
| Sisyrinchium langloisii | langlois' blue-eyed-grass | roadside blueeyed grass, roadside blue-eyed grass, dotted blue-eyed grass, southern blue-eyed grass | Iridaceae |
| Sisyrinchium rosulatum | yellow blue-eyed-grass | annual blueeyed grass, annual blue-eyed grass | Iridaceae |
| Smilax auriculata | earleaf greenbrier | Smilacaceae | |
| Smilax bona-nox | saw greenbrier | zarzaparilla, catbrier, bullbrier, greenbrier | Smilacaceae |
| Smilax glauca | cat greenbrier | sawbrier, wild sarsaparilla, cat-brier, saw-brier | Smilacaceae |
| Smilax laurifolia | laurel greenbrier | laurel-leaf greenbrier, bamboo-vine, blaspheme-vine, bamboo | Smilacaceae |
| Smilax pumila | sarsparilla vine | wild sarsaparilla, dwarf smilax, dwarf greenbriar | Smilacaceae |
| Smilax rotundifolia | common greenbriar | greenbrier, bullbrier, common catbriar, horsebriar, roundleaf greenbriar, roundleaf greenbrier, horse-brier | Smilacaceae |
| Smilax smallii | lanceleaf greenbrier | southern smilax, jacksonvine, jacksonbriar, greenbriar | Smilacaceae |
| Smilax tamnoides | bristly greenbrier | Smilacaceae | |
| Smilax walteri | coral greenbrier | coral green-brier, red-berried bamboo | Smilacaceae |
| Solanum carolinense | carolina nightshade | carolina horsenettle, horsenettle, apple of sodom, bull nettle, devil's tomato, sand briar, carolina horse-nettle, ball-nettle | Solanaceae |
| Solanum dimidiatum | western horsenettle | torrey's nightshade, torrey nightshade, western horse-nettle | Solanaceae |
| Solanum elaeagnifolium | silverleaf nightshade | tomato weed, trompillo, white horsenettle, white nightshade, silver-leaf nightshade, white horse nettle, tomato weed, white horse-nettle | Solanaceae |
| Solanum pseudocapsicum | jerusalem cherry | Solanaceae | |
| Solanum ptycanthum | american black nightshade | common purple nightshade, smallflower nightshade, apple of sodom, glossy nightshade, popolo, herba mora negra | Solanaceae |
| Solanum rostratum | buffalobur nightshade | buffalobur, kansas-thistle | Solanaceae |
| Solidago altissima | canada goldenrod | tall goldenrod, late goldenrod, canadian goldenrod | Asteraceae |
| Solidago auriculata | eared goldenrod | Asteraceae | |
| Solidago canadensis | canada goldenrod | canadian goldenrod, common goldenrod, giant goldenrod | Asteraceae |
| Solidago gigantea | giant goldenrod | smooth goldenrod, tall goldenrod, late goldenrod, early goldenrod | Asteraceae |
| Solidago nemoralis | gray goldenrod | prairie goldenrod, oldfield goldenrod, grayleaf goldenrod, dyersweed goldenrod, dwarf goldenrod, field goldenrod | Asteraceae |
| Solidago nitida | shiny golden-rod | Asteraceae | |
| Solidago odora | fragrant golden-rod | anise-scented goldenrod, fragrant goldenrod, anisescented goldenrod, sweet goldenrod | Asteraceae |
| Solidago radula | western rough goldenrod | Asteraceae | |
| Solidago rigida | stiff goldenrod | hard-leaf goldenrod, rigid goldenrod | Asteraceae |
| Solidago rugosa | wrinkleleaf goldenrod | wrinkle-leaf goldenrod, rough-leaved goldenrod, roughleaf goldenrod, rough-stemmed goldenrod, roughstem goldenrod | Asteraceae |
| Solidago sempervirens | seaside goldenrod | Asteraceae | |
| Solidago sphacelata | autumn goldenrod | Asteraceae | |
| Solidago tortifolia | twistleaf goldenrod | Asteraceae | |
| Soliva sessilis | lawn burweed | field burrweed, field soliva | Asteraceae |
| Sonchus asper | spiny sowthistle | prickly sowthistle, spiny-leaved sowthistle, prickly sowthistle, spiny-leaf sow-thistle, perennial sowthistle, achicoria dulce | Asteraceae |
| Sonchus oleraceus | common sowthistle | sow-thistle, common sow-thistle, annual sowthistle, pualele, sow thistle | Asteraceae |
| Sorghastrum nutans | yellow indiangrass | yellow indian-grass, indiangrass | Poaceae |
| Sorghum halepense | johnsongrass | johnson grass, aleppo milletgrass, herbe de cuba, sorgho d'alep, sorgo de alepo, zacate johnson, johnson-grass | Poaceae |
| Sparganium americanum | american bur-reed | american burreed | Typhaceae |
| Spartina alterniflora | smooth cordgrass | saltmarsh cordgrass, salt cordgrass, atlantic cordgrass | Poaceae |
| Spartina cynosuroides | big cordgrass | Poaceae | |
| Spartina patens | marshhay cordgrass | saltmeadow cordgrass, salt meadow cordgrass | Poaceae |
| Spartina pectinata | prairie cordgrass | prairie cord-grass, slough grass, | Poaceae |
| Spartina spartinae | gulf cord grass | gulf cordgrass, sacahuista | Poaceae |
| Spergularia salina | salt sandspurry | salt-marsh sand-spurrey | Caryophyllaceae |
| Spermacoce glabra | smooth false buttonweed | buttonplant, smooth buttonweed, buttonweed | Rubiaceae |
| Sphenoclea zeylanica | chickenspike | chicken spike | Sphenocleaceae |
| Sphenopholis filiformis | longleaf wedgescale | Poaceae | |
| Sphenopholis intermedia | slender wedgescale | slender wedgegrass | Poaceae |
| Sphenopholis obtusata | prairie wedgescale | prairie wedgegrass, wedge-grass, wedgegrass | Poaceae |
| Spigelia marilandica | woodland pinkroot | pinkroot, indian pink | Loganiaceae |
| Spiranthes brevilabris | texas lady's tresses | texas ladies'-tresses, texas ladiestresses | Orchidaceae |
| Spiranthes cernua | nodding lady's tresses | nodding ladiestresses, white nodding ladies'-tresses, nodding ladies'-tresses, common ladies' tresses, fragrant ladies' tresses | Orchidaceae |
| Spiranthes lacera | northern slender lady's tresses | northern slender ladies'-tresses, slender ladiestresses, slender lady's tresses | Orchidaceae |
| Spiranthes magnicamporum | great plains lady's tresses | Orchidaceae | |
| Spiranthes odorata | marsh lady's tresses | marsh ladies'-tresses, marsh ladiestresses, fragrant lady's tresses | Orchidaceae |
| Spiranthes vernalis | spring ladies'-tresses | spring lady's tresses, upland ladiestresses, twisted lady's tresses, spring ladies' tresses | Orchidaceae |
| Spirodela polyrrhiza | common duckmeat | greater duckweed, common duckweed, duckmeat | Lemnaceae |
| Sporobolus clandestinus | rough dropseed | hidden dropseed | Poaceae |
| Sporobolus compositus | composite dropseed | tall dropseed | Poaceae |
| Sporobolus indicus | west indian dropseed | smut grass, rattail smutgrass, smutgrass, smut-grass | Poaceae |
| Sporobolus junceus | pineywoods dropseed | Poaceae | |
| Sporobolus pyramidatus | madagascar dropseed | target dropseed, whorled dropseed | Poaceae |
| Sporobolus silveanus | prairie dropseed | silveus' dropseed | Poaceae |
| Sporobolus virginicus | seashore dropseed | coastal dropseed | Poaceae |
| Stachys crenata | shade betony | mouse's-ear, mousesear | Lamiaceae |
| Stachys floridana | chinese artichoke | florida betony, florida hedgenettle | Lamiaceae |
| Stachys tenuifolia | smooth hedgenettle | slender betony, smooth hedge-nette, hedge nettle, thinleaf betony, slenderleaf betony | Lamiaceae |
| Steinchisma hians | gaping grass | gaping panicum | Poaceae |
| Stellaria media | chickweed | nodding chickweed, common chickweed | Caryophyllaceae |
| Stenanthium gramineum | eastern featherbells | featherbells | Liliaceae |
| Stenaria nigricans var. nigricans | diamond-flowers | Rubiaceae | |
| Stenotaphrum secundatum | st. augustine grass | st. augustinegrass | Poaceae |
| Stewartia malacodendron | silky camellia | virginia stewartia, round-fruited stewartia | Theaceae |
| Stillingia sylvatica | queen's-delight | Euphorbiaceae | |
| Stokesia laevis | stokes' aster | Asteraceae | |
| Streptanthus hyacinthoides | smooth jewelflower | Brassicaceae | |
| Strophostyles helvola | amberique-bean | annual wooly-bean, trailing fuzzy-bean, trailing wild bean, amerique bean | Fabaceae |
| Strophostyles leiosperma | slickseed fuzzybean | slick-seed bean, piper | Fabaceae |
| Strophostyles umbellata | pink fuzzybean | perennial wildbean | Fabaceae |
| Stylisma aquatica | water southern morning-glory | water dawnflower | Convolvulaceae |
| Stylisma humistrata | southern dawnflower | white stylisma | Convolvulaceae |
| Stylisma pickeringii | pickering's dawnflower | pickering's morning-glory | Convolvulaceae |
| Stylodon carneus | carolina false vervain | carolina vervain | Verbenaceae |
| Stylosanthes biflora | sidebeak pencil-flower | endbeak pencilflower, sidebeak pencilflower, pencil flower | Fabaceae |
| Styrax americanus | american snowbell | snowbell, mock-orange, mock orange | Styracaceae |
| Styrax grandifolius | bigleaf snowbell | bigleaf storax, coast snowbell | Styracaceae |
| Suaeda linearis | annual seepweed | Chenopodiaceae | |
| Symphoricarpos orbiculatus | coralberry | indian currant, buckbrush | Caprifoliaceae |
| Symphyotrichum concolor | eastern silver aster | Asteraceae | |
| Symphyotrichum drummondii | drummond's aster | Asteraceae | |
| Symphyotrichum dumosum | rice button aster | rice button american-aster, white bushy aster, long-stalked aster | Asteraceae |
| Symphyotrichum lanceolatum | white panicle aster | whitepanicle aster, panicled aster, lanceleaf aster, eastern lined aster | Asteraceae |
| Symphyotrichum lateriflorum | calico aster | farewell-summer | Asteraceae |
| Symphyotrichum oolentangiense | skyblue aster | sky blue american aster | Asteraceae |
| Symphyotrichum patens | late purple aster | spreading aster, spead-leaf aster, sky-drop aster | Asteraceae |
| Symphyotrichum praealtum | willowleaf aster | veiny lined aster | Asteraceae |
| Symphyotrichum pratense | barrens silky aster | meadow aster | Asteraceae |
| Symphyotrichum subulatum | eastern annual saltmarsh aster | hierba del marrano | Asteraceae |
| Symphyotrichum subulatum var. ligulatum | southern annual saltmarsh aster | lawn american-aster, white wood aster, saltmarsh aster | Asteraceae |
| Symphyotrichum tenuifolium | perennial saltmarsh aster | saltmash aster | Asteraceae |
| Symplocos tinctoria | common sweetleaf | sweetleaf, horsesugar, yellowwood, horse sugar, sweet leaf, horse-sugar, yellow-wood | Symplocaceae |