| Scientific Name |
Common Name |
Native Status |
|
|
|
|
|
Sabatia angularis (L.) Pursh
|
Rose-pink |
N |
|
Sabatia brachiata Ell.
|
Narrow-leaf Rose-pink, Narrow-leaf Rose-gentian |
N |
|
Sabatia calycina (Lam.) Heller
|
Coastal Rose-pink, Coastal Rose-gentian |
N |
|
Sabatia campanulata (L.) Torr.
|
Slender Marsh-pink, Slender Rose-gentian |
N |
|
Sabatia difformis (L.) Druce
|
Lance-leaved Rose-gentian |
N |
|
Sabatia dodecandra (L.) BSP
|
Large Marsh-pink, Marsh Rose-gentian |
N |
|
Sabatia quadrangula Wilbur
|
Four-angle Rose-gentian, Winged Sabatia |
N |
|
Sabatia stellaris Pursh
|
Salt-marsh Pink, Sea-pink |
N |
|
Sabulina diffusa Brock
|
|
N |
|
Sabulina michauxii (Fenzl) Dillenberger & Kadereit
|
Rock Sandwort, Michaux's Stitchwort |
N |
|
Sabulina paludicola (Fern. & B.G. Schub.) E.E. Schilling
|
Godfrey's Sandwort |
N |
|
Sabulina patula (Michaux) Small
|
Pitcher's Stitchwort, Glade Sandwort |
N |
|
Sacciolepis striata (L.) Nash
|
American Cupscale |
N |
|
Sagina decumbens (Ell.) Torrey & A. Gray ssp. decumbens
|
Trailing Pearlwort |
N |
|
Sagina procumbens L.
|
Matted Pearlwort |
I |
|
Sagittaria australis (J.G.Smith) Small
|
Long-beaked Arrowhead |
N |
|
Sagittaria brevirostra Mackenzie & Bush
|
Midwestern Arrowhead |
N |
|
Sagittaria calycina Engelm.
|
Long-lobed Arrowhead |
N |
|
Sagittaria engelmanniana J.G. Smith
|
Engelmann's Arrowhead |
N |
|
Sagittaria filiformis J.G. Smith
|
Narrow-leaved Arrowhead |
N |
|
Sagittaria graminea Michaux
|
Grass-leaved Arrowhead |
N |
|
Sagittaria lancifolia L. var. media Micheli
|
Lance-leaved Arrowhead, Bull-tongue Arrowhead |
N |
|
Sagittaria latifolia Willd. var. latifolia
|
Broadleaf Arrowhead |
N |
|
Sagittaria latifolia Willd. var. pubescens (Muhl. ex Nutt.) J.G. Smith
|
Hairy Arrowhead |
N |
|
Sagittaria latifolia Willdenow
|
Broad-leaved Arrowhead, Duck Potato, Wapato |
N |
|
Sagittaria platyphylla (Engelm.)J.G.Sm.
|
Delta Arrowhead |
|
|
Sagittaria rigida Pursh
|
Sessile-fruited Arrowhead |
N |
|
Sagittaria spatulata (J.G. Smith) Buchenau
|
Tidal Arrowhead |
N |
|
Sagittaria subulata (L.) Buch.
|
Dwarf Arrowhead |
N |
|
Sagittaria weatherbiana Fernald
|
Weatherby's Arrowhead |
N |
|
Salicornia ambigua Michaux
|
Woody Glasswort, Perennial Glasswort |
N |
|
Salicornia bigelovii Torr.
|
Dwarf Glasswort, Dwarf Saltwort |
N |
|
Salicornia virginica L.
|
Jointed Glasswort |
N |
|
Salix alba L.
|
White Willow |
I |
|
Salix babylonica L.
|
Weeping Willow |
I |
|
Salix caprea L.
|
Goat Willow |
I |
|
Salix caroliniana Michx.
|
Carolina Willow, Coastal Plain Willow |
N |
|
Salix cinerea L.
|
European Gray Willow |
I |
|
Salix discolor Muhl.
|
Pussy Willow |
N |
|
Salix eriocephala Michx.
|
Heart-leaved Willow |
N |
|
Salix humilis Marshall
|
Prairie Willow, Upland Willow |
N |
|
Salix interior Rowlee
|
Sandbar Willow |
N |
|
Salix lucida Muhl.
|
Shining Willow |
I |
|
Salix matsudana Koidzumi
|
Corkscrew Willow |
I |
|
Salix nigra Marsh.
|
Black Willow |
N |
|
Salix occidentalis Walter
|
Dwarf Upland Willow, Sage Willow |
N |
|
Salix pentandra L.
|
Laurel Willow |
I |
|
Salix purpurea L.
|
Basket Willow, Purple Willow, Purple Osier |
I |
|
Salix sericea Marsh.
|
Silky Willow |
N |
|
Salix ×bebbii Gandog.
|
|
N |
|
Salix ×ehrhartiana Sm.
|
|
I |
|
Salix ×fragilis L.
|
Crack Willow, Brittle Willow |
I |
|
Salix ×sepulcralis Simonkai
|
|
I |
|
Salpichroa origanifolia (Lam.) Baill.
|
Lily-of-the-valley Vine, Pampas Lily-of-the-valley |
I |
|
Salsola kali L.
|
Saltwort |
|
|
Salsola tragus L.
|
Russian Thistle, Tumbleweed |
I |
|
Salvia lyrata L.
|
Lyre-leaf Sage |
N |
|
Salvia officinalis L.
|
Garden Sage |
I |
|
Salvia pratensis L.
|
Meadow Sage, Meadow Clary |
I |
|
Salvia reflexa Hornemann
|
Lanceleaf Sage |
I |
|
Salvia sclarea L.
|
Clary Sage |
I |
|
Salvia urticifolia L.
|
Nettle-leaf Sage |
N |
|
Salvia verbenacea L.
|
Wild Clary Sage, Vervain Sage |
I |
|
Salvinia molesta D.S. Mitchell
|
Giant Salvinia |
I |
|
Sambucus canadensis L.
|
Common Elderberry |
N |
|
Sambucus racemosa L. var. pubens (Michx.) Koehne
|
Red Elderberry |
N |
|
Samolus parviflorus Raf.
|
Water-pimpernel, Brookweed |
N |
|
Sanguinaria canadensis L.
|
Bloodroot |
N |
|
Sanguisorba canadensis L.
|
Canada Burnet, American Burnet |
N |
|
Sanicula canadensis L. var. canadensis
|
Black Snakeroot |
N |
|
Sanicula canadensis L. var. floridana (Bicknell) H. Wolff
|
Florida Snakeroot |
N |
|
Sanicula canadensis L. var. grandis Fern.
|
Large Sanicle |
N |
|
Sanicula marilandica L.
|
Sanicle |
N |
|
Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe
|
Clustered Snakeroot |
N |
|
Sanicula smallii Bickn.
|
Small's Snakeroot, Small's Sanicle |
N |
|
Sanicula trifoliata Bickn.
|
Large-fruited Sanicle |
N |
|
Saponaria officinalis L.
|
Soapwort, Bouncing Bet |
I |
|
Sarracenia flava L.
|
Yellow Pitcher Plant, Trumpets |
N |
|
Sarracenia purpurea L.
|
Purple Pitcher Plant |
N |
|
Sassafras albidum (Nutt.) Nees
|
Sassafras |
N |
|
Saururus cernuus L.
|
Lizard's-tail, Water-dragon |
N |
|
Scapania degenii Schiffn. ex Müll. Frib. var. dubia R.M. Schuster
|
|
N |
|
Scapania irrigua (Nees) Nees
|
|
N |
|
Scapania nemorea (L.) Grolle
|
|
N |
|
Scapania undulata (L.) Dumort.
|
|
N |
|
Sceptridium biternatum (Savigny) Lyon
|
Southern Grape Fern |
N |
|
Sceptridium dissectum (Sprengel) Lyon
|
Cut-leaf Grape Fern, Dissected Grape Fern |
N |
|
Sceptridium jenmanii (Underwood) Lyon
|
Alabama Grape Fern |
N |
|
Sceptridium multifidum (S.G. Gmelin) M. Nishida
|
Leathery Grape Fern |
N |
|
Sceptridium oneidense (Gilbert) Holub
|
Blunt-lobed Grape Fern |
N |
|
Schenkia spicata (L.) Mansion
|
Spiked Centaury |
I |
|
Schistidium agassizii Sull. & Lesq.
|
|
N |
|
Schistidium apocarpum (Hedw.) Bruch & Schimp.
|
|
N |
|
Schistidium canadense (Dupr.) Ignatova & H.H. Blom
|
|
N |
|
Schistidium crassithecium H. H. Blom ex B. H. Allen
|
|
N |
|
Schistidium dupretii (Thér.) W.A. Weber
|
|
N |
|
Schistidium liliputanum (Müll. Hal.) Deguchi
|
|
N |
|
Schistidium rivulare (Brid.) Podp.
|
|
N |
|
Schistidium sp. A.
|
|
N |
|
Schistidium viride H. H. Blom & C. Darigo
|
|
N |
|
Schistochilopsis incisa (Schrad.) Konstant.
|
|
N |
|
Schizachne purpurascens (Torr.) Swallen
|
Purple Oatgrass, False Melic |
N |
|
Schizachyrium littorale (Nash) E.P. Bicknell
|
Seaside Little Bluestem |
N |
|
Schizachyrium scoparium (Michx.) Nash var. scoparium
|
Little Bluestem |
N |
|
Schlotheimia rugifolia (Hook.) Schwägr.
|
|
N |
|
Schoenoplectiella purshiana (Fernald) K. Lye var. purshiana
|
Blunt-scale Bulrush, Weak-stalk Bulrush |
N |
|
Schoenoplectiella smithii (Fernald) Hayasaka
|
Smith's Bulrush, Blunt-scale Bulrush |
N |
|
Schoenoplectus acutus (Muhl. ex Bigel.) Love & Love var. acutus
|
Hard-stem Bulrush, Great Bulrush |
N |
|
Schoenoplectus americanus (Pers.) Volk. ex Schinz & Keller
|
Olney Threesquare |
N |
|
Schoenoplectus etuberculatus (Steudel) Sojak
|
Swamp Bulrush, Canby's Bulrush |
N |
|
Schoenoplectus mucronatus (L.) Palla
|
Bog Bulrush |
I |
|
Schoenoplectus pungens (Vahl) Palla var. pungens
|
Common Threesquare, Chairmaker's Rush |
N |
|
Schoenoplectus subterminalis (Torrey) Sojak
|
Water Bulrush |
N |
|
Schoenoplectus tabernaemontani (Gmelin) Palla
|
Soft-stem Bulrush |
N |
|
Schoenoplectus torreyi (Olney) Palla
|
Torrey's Bulrush, Torrey's Threesquare |
N |
|
Schwalbea americana L.
|
Chaffseed |
N |
|
Schwetschkeopsis fabronia (Schwägr.) Broth.
|
|
N |
|
Scirpus ancistrochaetus Schuyler
|
Northeastern Bulrush |
N |
|
Scirpus atrovirens Willd.
|
Dark Green Bulrush |
N |
|
Scirpus cyperinus (L.) Kunth
|
Woolgrass |
N |
|
Scirpus divaricatus Elliott
|
Spreading Bulrush |
N |
|
Scirpus expansus Fernald
|
Woodland Bulrush |
N |
|
Scirpus flaccidifolius (Fernald) Schuyler
|
Reclining Bulrush |
N |
|
Scirpus georgianus Harper
|
Georgia Bulrush |
N |
|
Scirpus hattorianus Makino
|
Northern Bulrush |
N |
|
Scirpus lineatus Michaux
|
Drooping Bulrush |
N |
|
Scirpus pendulus Muhlenberg
|
Reddish Bulrush |
N |
|
Scirpus polyphyllus Vahl
|
Leafy Bulrush |
N |
|
Sciuro-hypnum plumosum (Hedw.) Ignatov & Huttunen
|
|
N |
|
Sciuro-hypnum populeum (Hedw.) Ignatov & Huttunen
|
|
N |
|
Sciuro-hypnum reflexum (Starke) Ignatov & Huttunen
|
|
N |
|
Scleranthus annuus L. ssp. annuus
|
Knawel, Annual Knawel |
I |
|
Scleria ciliata Michaux var. ciliata
|
Hairy Nutrush, Fringed Nutrush |
N |
|
Scleria ciliata Michaux var. elliottii (Chapman) Fernald
|
Broad-leaved Hairy Nutrush |
N |
|
Scleria flaccida Steud.
|
Flaccid Nutrush |
N |
|
Scleria minor (Britton) W. Stone
|
Slender Nutrush |
N |
|
Scleria muehlenbergii Steudel
|
Pitted Nutrush |
N |
|
Scleria nitida Willd.
|
Shining Nutrush |
N |
|
Scleria oligantha Michaux
|
Little-headed Nutrush, Few-Flowered Nutrush |
N |
|
Scleria pauciflora Muhl. ex Willd.
|
Carolina Nutrush, Papillose Nutrush |
N |
|
Scleria pauciflora Muhl. ex Willd. var. caroliniana A.W. Wood
|
Carolina Nutrush |
N |
|
Scleria pauciflora Muhl. ex Willd. var. pauciflora
|
Papillose Nutrush |
N |
|
Scleria triglomerata Michaux
|
Tall Nutrush |
N |
|
Scleria verticillata Muhl. ex Willd.
|
Whorled Nutrush |
N |
|
Sclerochloa dura (L.) Beauv.
|
Hard Grass, Fairground Grass |
I |
|
Sclerolepis uniflora (Walt.) B.S.P.
|
One-flowered Sclerolepis, Pink Bog-button |
N |
|
Scopelophila ligulata (Spruce) Spruce
|
|
N |
|
Scrophularia lanceolata Pursh
|
American Figwort, Lanceleaf Figwort, Early Figwort |
N |
|
Scrophularia marilandica L.
|
Eastern Figwort, Late Figwort |
N |
|
Scutellaria elliptica Muhl. ex Spreng.
|
Hairy Skullcap |
N |
|
Scutellaria elliptica Muhl. ex Spreng. var. elliptica
|
Hairy Skullcap |
N |
|
Scutellaria elliptica Muhl. ex Spreng. var. hirsuta (Short & Peter) Fern.
|
Hairy Skullcap |
N |
|
Scutellaria galericulata L.
|
Hooded Skullcap, Marsh Skullcap |
N |
|
Scutellaria incana Biehler
|
Hoary Skullcap, Downy Skullcap |
N |
|
Scutellaria integrifolia L.
|
Hyssop Skullcap |
N |
|
Scutellaria lateriflora L.
|
Mad-dog Skullcap, Blue Skullcap |
N |
|
Scutellaria leonardii Epling
|
Small Skullcap, Leonard's Skullcap |
N |
|
Scutellaria nervosa Pursh
|
Veined Skullcap, Veiny Skullcap |
N |
|
Scutellaria ovata Hill
|
Heart-leaf Skullcap |
N |
|
Scutellaria ovata Hill ssp. ovata
|
Heart-leaf Skullcap |
N |
|
Scutellaria ovata Hill ssp. rugosa (A. Wood) Epling
|
Heart-leaf Skullcap |
N |
|
Scutellaria parvula Michaux
|
Dwarf Scullcap |
N |
|
Scutellaria saxatilis Riddell
|
Rock Skullcap |
N |
|
Scutellaria serrata Andr.
|
Showy Skullcap |
N |
|
Secale cereale L.
|
Rye |
I |
|
Securigera varia (L.) Lassen
|
Crown Vetch |
I |
|
Sedum acre L.
|
Wallpepper, Mossy Stonecrop, Gold-moss Stonecrop, Gold-moss Sedum |
I |
|
Sedum glaucophyllum Clausen
|
Cliff Stonecrop |
N |
|
Sedum pulchellum Michx.
|
Widow's-cross |
N |
|
Sedum sarmentosum Bunge
|
Stringy Stonecrop |
I |
|
Sedum ternatum Michx.
|
Wild Stonecrop, Woodland Stonecrop |
N |
|
Selaginella apoda (L.) Spring
|
Meadow Spikemoss |
N |
|
Selaginella rupestris (L.) Spring
|
Rock Spikemoss |
N |
|
Sematophyllum adnatum (Michx.) E. Britton
|
|
N |
|
Sematophyllum demissum (Wilson) Mitt.
|
|
N |
|
Sematophyllum marylandicum (Müll. Hal.) E. Britton
|
|
N |
|
Senecio vulgaris L.
|
Common Groundsel |
I |
|
Senega ambigua (Nutt.) J.F.B. Pastore & J.R. Abbott
|
Loose Milkwort |
N |
|
Senega aquilonia (Fern. & Schub.) J.F.B. Pastore & J.R. Abbott
|
Northern Cross-leaved Milkwort |
N |
|
Senega cruciata (L.) J.F.B. Pastore & J.R. Abbott
|
Southern Cross-leaved Milkwork; Drumheads |
N |
|
Senega curtissii (A. Gray) J.F.B. Pastore & J.R. Abbott
|
Curtiss' Milkwort |
N |
|
Senega incarnata (L.) J.F.B. Pastore & J.R. Abbott
|
Pink Milkwort, Procession Flower |
N |
|
Senega lutea (L.) J.F.B. Pastore & J.R. Abbott
|
Orange Milkwort, Yellow milkwort |
N |
|
Senega mariana (P. Mill.) J.F.B. Pastore & J.R. Abbott
|
Maryland Milkwort |
N |
|
Senega nuttallii (Torr. & A. Gray) J.F.B. Pastore & J.R. Abbott
|
Nuttall's Milkwort |
N |
|
Senega officinalis Spach
|
Seneca Snakeroot |
N |
|
Senega polygama (Walt.) J.F.B. Pastore & J.R. Abbott
|
Racemed Milkwort |
N |
|
Senega ramosa (Ell.) J.F.B. Pastore & J.R. Abbott
|
Low Pine Barren Milkwort |
N |
|
Senega sanguinea (L.) J.F.B. Pastore & J.R. Abbott
|
Field Milkwort, Purple Milkwort |
N |
|
Senega verticillata (L.) J.F.B. Pastore & J.R. Abbott
|
Whorled Milkwort |
N |
|
Senna hebecarpa (Fernald) Irwin & Barneby
|
American Senna, Northern Wild Senna |
N |
|
Senna marilandica (L.) Link
|
Maryland Wild Senna, Southern Wild Senna |
N |
|
Senna obtusifolia (L.) Irwin & Barneby
|
Sicklepod, Coffeeweed |
I |
|
Senna occidentalis (L.) Link
|
Coffee Senna |
I |
|
Sericocarpus asteroides (L.) B.S.P.
|
Toothed White-top Aster |
N |
|
Sericocarpus caespitosus Nesom
|
Clumped White-top Aster |
N |
|
Sericocarpus linifolius (L.) B.S.P.
|
Narrow-leaf White-top Aster |
N |
|
Sesbania herbacea (P. Miller) McVaugh
|
Sesban, Coffee-weed, Indigo-weed, Peatree |
I |
|
Sesbania punicea (Cav.) Benth.
|
Rattlebox Tree, Red Sesbania |
I |
|
Sesuvium maritimum (Walter) Britton, Stearns, & Poggenberg
|
Small Sea-purslane, Slender Sea-purslane |
N |
|
Setaria faberi Herrm.
|
Nodding Bristlegrass, Japanese Bristlegrass |
I |
|
Setaria italica (L.) Beauv.
|
Foxtail-millet, Italian Bristlegrass |
I |
|
Setaria magna Griseb.
|
Giant Bristlegrass, Giant Foxtail |
N |
|
Setaria parviflora (Poir.) Kerguelen
|
Knotroot Bristlegrass, Knotroot Foxtail |
N |
|
Setaria pumila (Poir.) Roemer & Schultes ssp. pumila
|
Yellow Bristlegrass, Yellow Foxtail |
I |
|
Setaria verticillata (L.) Beauv.
|
Hooked Bristlegrass |
I |
|
Setaria viridis (L.) Beauv. var. viridis
|
Green Bristlegrass, Green Foxtail |
I |
|
Seymeria cassioides (J.F. Gmel.) Blake
|
Senna Seymeria |
N |
|
Shortia galacifolia Torrey & A. Gray var. galacifolia
|
Shortia, Oconee Bells |
I |
|
Sibbaldiopsis tridentata (Ait.) Rydb.
|
Three-toothed Cinquefoil, Mountain Cinquefoil |
N |
|
Sicyos angulatus L.
|
Bur Cucumber, One-seeded Bur Cucumber, Star Cucumber |
N |
|
Sida elliottii Torrey & Gray var. elliottii
|
Elliott's Sida, Elliott's Fanpetals |
N |
|
Sida rhombifolia L. var. rhombifolia
|
Arrowleaf Sida |
I |
|
Sida spinosa L.
|
Prickly Sida, Prickly Mallow |
I |
|
Sideroxylon lycioides L.
|
Buckthorn Bumelia |
N |
|
Silene antirrhina L.
|
Sleepy Catchfly |
N |
|
Silene armeria L.
|
Sweet William Catchfly |
I |
|
Silene caroliniana Walt. var. pensylvanica (Michx.) Fernald
|
Wild Pink, Northern Wild Pink |
N |
|
Silene coronaria (L.) Clairville
|
Rose Campion, Crown Pink |
I |
|
Silene dichotoma Ehrh. ssp. dichotoma
|
Forked Catchfly |
I |
|
Silene gallica L.
|
Small-flowered Catchfly |
I |
|
Silene latifolia Poir.
|
White Campion, Evening Lychnis |
I |
|
Silene nivea (Nutt.) Muhl. ex Otth
|
Snowy Campion |
N |
|
Silene noctiflora L.
|
Night-flowering Catchfly, Sticky Campion |
I |
|
Silene ovata Pursh
|
Mountain Catchfly |
N |
|
Silene rotundifolia Nutt.
|
Round-leaf Catchfly, Sandstone Fire Pink |
N |
|
Silene stellata (L.) Ait. f.
|
Starry Campion |
N |
|
Silene virginica L.
|
Fire Pink |
N |
|
Silene vulgaris (Moench) Garcke
|
Bladder Campion |
I |
|
Silphium asteriscus L.
|
Rosin Weed |
N |
|
Silphium asteriscus L. var. asteriscus
|
Starry Rosin Weed |
N |
|
Silphium asteriscus L. var. latifolium (Gray) Clevinger
|
Broad-leaved Rosin Weed |
N |
|
Silphium asteriscus L. var. trifoliatum (L.) Clevinger
|
Whorled Rosin Weed |
N |
|
Silphium compositum Michx. var. compositum
|
Carolina Rosin Weed |
N |
|
Silphium compositum Michx. var. reniforme (Raf. ex Nutt.) Torr. & Gray
|
Kidney-leaf Rosin Weed |
N |
|
Silphium connatum L.
|
Virginia Cup-plant |
N |
|
Silphium laciniatum L. var. laciniatum
|
Compass-plant |
I |
|
Silphium perfoliatum L.
|
Cup Plant |
N |
|
Silphium terebinthinaceum Jacquin
|
Prairie Rosin Weed, Prairie Dock |
N |
|
Silybum marianum (L.) Gaertn.
|
Milk Thistle, Blessed Thistle |
I |
|
Sisymbrium altissimum Linnaeus
|
Tall Tumble Mustard |
I |
|
Sisymbrium officinale (Linnaeus) Scopoli
|
Hedge Mustard |
I |
|
Sisyrinchium albidum Raf.
|
White Blue-eyed-grass |
N |
|
Sisyrinchium angustifolium P. Mill.
|
Narrow-leaved Blue-eyed-grass |
N |
|
Sisyrinchium atlanticum Bickn.
|
Eastern Blue-eyed-grass, Atlantic Blue-eyed-grass |
N |
|
Sisyrinchium capillare Bickn.
|
Wiry Blue-eyed-grass |
N |
|
Sisyrinchium fuscatum Bickn.
|
Coastal Plain Blue-eyed-grass |
N |
|
Sisyrinchium micranthum Cav.
|
Annual Blue-eyed-grass |
I |
|
Sisyrinchium mucronatum Michx.
|
Needle-tip Blue-eyed-grass |
N |
|
Sisyrinchium nashii Bicknell
|
Nash's Blue-eyed-grass |
N |
|
Sitobolium punctilobulum (Michaux) Desvaux
|
Hay-scented Fern |
N |
|
Sium suave Walt.
|
Water Parsnip |
N |
|
Smallanthus uvedalia (L.) Mackenzie ex Small
|
Hairy Leafcup, Yellow-flowered Leafcup, Bear's-foot |
N |
|
Smilax bona-nox L. var. bona-nox
|
Catbrier, Fringed Greenbrier |
N |
|
Smilax bona-nox L. var. littoralis Coker ex Sorrie
|
Sea-side Catbrier |
N |
|
Smilax ecirrata (Kunth) S. Wats.
|
Upright Carrion-flower, Upright Greenbrier |
N |
|
Smilax glauca Walt.
|
White-leaf Greenbrier, Sawbrier |
N |
|
Smilax herbacea L.
|
Carrion-flower, Common Carrion-flower, Smooth Carrion-flower |
N |
|
Smilax hispida Raf.
|
Bristly Greenbrier, Chinaroot |
N |
|
Smilax laurifolia L.
|
Laurel-leaf Greenbrier, Bamboo-vine, Blaspheme-vine |
N |
|
Smilax pseudochina L.
|
Coastal Carrion-flower |
N |
|
Smilax pulverulenta Michx.
|
Hairy Carrion-flower, Downy Carrion-flower |
N |
|
Smilax rotundifolia L.
|
Common Greenbrier, Bullbrier, Horsebrier |
N |
|
Smilax walteri Pursh
|
Red-berried Greenbrier, Coral Greenbrier |
N |
|
Solanum carolinense L. var. carolinense
|
Horse-nettle, Carolina Horse-nettle |
N |
|
Solanum dulcamara L.
|
Bittersweet, Climbing Nightshade |
I |
|
Solanum emulans Raf.
|
Eastern Black Nightshade |
N |
|
Solanum lycopersicum L.
|
Tomato |
I |
|
Solanum nigrum L.
|
European Black Nightshade |
I |
|
Solanum pseudocapsicum L.
|
Jerusalem Cherry |
I |
|
Solanum rostratum Dunal
|
Buffalo-bur, Kansas-thistle |
I |
|
Solanum sarrachoides Sendt.
|
Hairy Nightshade |
I |
|
Solanum sisymbriifolium Lamarck
|
Sticky Nightshade |
I |
|
Solenostoma appalachianum R.M.Schust. ex Bakalin
|
|
N |
|
Solenostoma crenuliforme (Aust.) Steph.
|
|
N |
|
Solenostoma fossombronoides (Aust.) Schust.
|
|
N |
|
Solenostoma gracillimum (Sm.) R.M. Schust.
|
|
N |
|
Solenostoma hyalinum (Lyell) Mitt.
|
|
N |
|
Solenostoma infuscum (Mitt.) Hentschel
|
|
N |
|
Solidago aestivalis Bickn.
|
Peat-loving Goldenrod |
N |
|
Solidago altissima L. var. altissima
|
Tall Goldenrod |
N |
|
Solidago altissima L. var. pluricephala M.C. Johnston
|
|
N |
|
Solidago arguta Ait.
|
Sharp-leaved Goldenrod, Cut-leaved Goldenrod |
N |
|
Solidago arguta Ait. var. arguta
|
Sharp-leaved Goldenrod; Cut-leaved Goldenrod |
N |
|
Solidago arguta Ait. var. caroliniana Gray
|
Atlantic Goldenrod |
N |
|
Solidago bicolor L.
|
Silverrod, White Goldenrod |
N |
|
Solidago caesia L. var. caesia
|
Blue-stemmed Goldenrod, Wreath Goldenrod |
N |
|
Solidago canadensis L. var. canadensis
|
Canada Goldenrod |
N |
|
Solidago canadensis L. var. hargeri Fern.
|
Harger's Goldenrod |
N |
|
Solidago curtisii Torr. & Gray
|
Curtis' Goldenrod |
N |
|
Solidago erecta Pursh
|
Erect Goldenrod, Slender Goldenrod |
N |
|
Solidago faucibus Wieboldt
|
Gorge Goldenrod |
N |
|
Solidago fistulosa P. Mill.
|
Pine Barren Goldenrod |
N |
|
Solidago flaccidifolia Small
|
Mountain Goldenrod, Appalachian Goldenrod |
N |
|
Solidago flexicaulis L.
|
Broad-Leaved Goldenrod, Zigzag Goldenrod |
N |
|
Solidago gigantea Ait.
|
Late Goldenrod |
N |
|
Solidago harrisii Steele
|
Shale Barren Goldenrod |
N |
|
Solidago hispida Muhl. ex Willd. var. hispida
|
Hairy Goldenrod |
N |
|
Solidago juncea Ait.
|
Early Goldenrod |
N |
|
Solidago lancifolia (Torr. & Gray) Chapman
|
Lance-leaf Goldenrod |
N |
|
Solidago latissimifolia P. Mill.
|
Elliott's Goldenrod, Coastal Swamp Goldenrod |
N |
|
Solidago mexicana L.
|
Southern Seaside Goldenrod |
N |
|
Solidago nemoralis Ait. var. nemoralis
|
Gray Goldenrod |
N |
|
Solidago odora Ait.
|
Sweet Goldenrod, Anise-scented Goldenrod |
N |
|
Solidago patula Muhl. ex Willd.
|
Rough-leaved Goldenrod |
N |
|
Solidago pinetorum Small
|
Small's Goldenrod, Pineywoods Goldenrod |
N |
|
Solidago puberula Nutt.
|
Downy Goldenrod |
N |
|
Solidago pulverulenta Nutt.
|
Dusty Downy Goldenrod |
N |
|
Solidago racemosa Greene
|
Sticky Goldenrod |
N |
|
Solidago randii (Porter) Britt.
|
Rand's Goldenrod |
N |
|
Solidago rigida L. var. glabrata E.L. Braun
|
Southeastern Stiff Goldenrod |
N |
|
Solidago rigida L. var. rigida
|
Stiff Goldenrod |
N |
|
Solidago roanensis Porter
|
Roan Mountain Goldenrod |
N |
|
Solidago rugosa P. Mill.
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
|
Solidago rugosa P. Mill. var. aspera (Ait.) Fern.
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
|
Solidago rugosa P. Mill. var. celtidifolia (Small) Fernald
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
|
Solidago rugosa P. Mill. var. cronquistiana Semple
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
|
Solidago rugosa P. Mill. var. rugosa
|
Rough-stemmed Goldenrod, Wrinkle-leaf Goldenrod |
N |
|
Solidago rupestris Raf.
|
Riverbank Goldenrod, Rock Goldenrod |
N |
|
Solidago salicina Elliott
|
Southern Rough-leaved Goldenrod, Round-leaf Goldenrod |
N |
|
Solidago sempervirens L.
|
Northern Seaside Goldenrod |
N |
|
Solidago speciosa Nutt.
|
Showy Goldenrod |
N |
|
Solidago sphacelata Raf.
|
Limestone Goldenrod, False Goldenrod |
N |
|
Solidago squarrosa Nutt.
|
Stout Goldenrod |
N |
|
Solidago stricta Ait.
|
Southern Bog Goldenrod, Virginia Goldenrod |
N |
|
Solidago tarda Mackenzie
|
Sandhill Goldenrod |
N |
|
Solidago tortifolia Ell.
|
Twisted-leaf Goldenrod, Leafy Pineywoods Goldenrod |
N |
|
Solidago uliginosa Nutt. var. uliginosa
|
Bog Goldenrod |
N |
|
Solidago ulmifolia Muhl. ex Willd.
|
Elm-leaf Goldenrod |
N |
|
Soliva sessilis Ruiz & Pavon
|
Field Burweed, Lawn Burweed |
I |
|
Sonchus arvensis L. var. glabrescens Guenth., Grab. & Wimmer
|
Field Sow Thistle |
I |
|
Sonchus asper (L.) Hill
|
Spiny-leaf Sow Thistle |
I |
|
Sonchus oleraceus L.
|
Common Sow Thistle |
I |
|
Sophronanthe pilosa (Michx.) Small
|
Shaggy Hedge-hyssop |
N |
|
Sorbus americana Marsh.
|
American Mountain-ash |
N |
|
Sorghastrum elliottii (C. Mohr) Nash
|
Slender Indian Grass |
N |
|
Sorghastrum nutans (L.) Nash
|
Indian Grass, Yellow Indian Grass |
N |
|
Sorghum halepense (L.) Pers.
|
Johnson Grass |
I |
|
Sparganium acaule (Beeby ex Macoun) Rydberg
|
Narrow-leaf Bur-reed |
N |
|
Sparganium americanum Nutt.
|
American Bur-reed |
N |
|
Sparganium eurycarpum Engelm. ex Gray
|
Giant Bur-reed |
N |
|
Spartina alterniflora Loisel.
|
Saltmarsh Cordgrass, Smooth Cordgrass |
N |
|
Spartina cynosuroides (L.) Roth
|
Big Cordgrass, Giant Cordgrass |
N |
|
Spartina patens (Ait.) Muhl.
|
Saltmeadow Cordgrass, Saltmeadow Hay |
N |
|
Spartina pectinata Link
|
Freshwater Cordgrass, Prairie Cordgrass |
N |
|
Spergula arvensis L.
|
Corn Spurry |
I |
|
Spergula pentandra L.
|
Wing-stem Spurry |
I |
|
Spergularia marina (L.) Besser
|
Salt-marsh Sand Spurry, Lesser Sand Spurry |
N |
|
Spergularia rubra (L.) J. & K. Presl
|
Purple Sand-spurrey |
I |
|
Spermacoce glabra Michx.
|
Smooth False Buttonweed |
N |
|
Spermolepis divaricata (Walt.) Raf.
|
Rough-fruit Scale-seed, Rough-fruit Spermolepis |
|
|
Spermolepis echinata (Nutt. ex DC.) Heller
|
Bristle-fruit Spermolepis, Hooked Spermolepis |
I |
|
Sphaerocarpos michelii Bellardi
|
|
N |
|
Sphaerocarpos texanus Austin
|
|
N |
|
Sphaerosporoceros adscendens (Lehm. & Lindenb.) Hässel
|
|
N |
|
Sphagnum affine Renauld & Cardot
|
|
N |
|
Sphagnum angustifolium (Warnst.) C.E.O. Jensen
|
|
N |
|
Sphagnum atlanticum R.E. Andrus
|
|
N |
|
Sphagnum bartlettianum Warnstorf
|
|
N |
|
Sphagnum capillifolium (Ehrh.) Hedw.
|
|
N |
|
Sphagnum carolinianum R. E. Andrus
|
|
N |
|
Sphagnum compactum Lam. & DC.
|
|
N |
|
Sphagnum contortum Schultz
|
|
N |
|
Sphagnum cuspidatum Hoffm.
|
|
N |
|
Sphagnum cyclophyllum Sullivant
|
|
N |
|
Sphagnum fallax (H. Klinggr.) H. Klinggr.
|
|
N |
|
Sphagnum fimbriatum Wilson & Hook. ssp. fimbriatum
|
|
N |
|
Sphagnum fitzgeraldii Lesq. & James
|
|
N |
|
Sphagnum flavicomans (Cardot) Warnst.
|
|
N |
|
Sphagnum flexuosum Dozy & Molkenboer
|
|
N |
|
Sphagnum fuscum (Schimp.) H. Klinggr.
|
|
N |
|
Sphagnum girgensohnii Russow
|
|
N |
|
Sphagnum henryense Warnstorf
|
|
N |
|
Sphagnum inundatum Russow
|
|
N |
|
Sphagnum isoviitae Flatberg
|
|
N |
|
Sphagnum lescurii Sullivant
|
|
N |
|
Sphagnum macrophyllum Bridel
|
|
N |
|
Sphagnum magellanicum Bridel
|
|
N |
|
Sphagnum molle Sull.
|
|
N |
|
Sphagnum palustre Linnaeus
|
|
N |
|
Sphagnum papillosum Lindb.
|
|
N |
|
Sphagnum perichaetiale Hampe
|
|
N |
|
Sphagnum playtphyllum (Lindb.) Warnst.
|
|
N |
|
Sphagnum portoricense Hampe
|
|
N |
|
Sphagnum pulchrum (Lindb.) Warnst.
|
|
N |
|
Sphagnum quinquefarium (Lindb.) Warnst.
|
|
N |
|
Sphagnum recurvum Palisot de Beauvois
|
|
N |
|
Sphagnum rubellum Wilson
|
|
N |
|
Sphagnum russowii Warnst.
|
|
N |
|
Sphagnum strictum Sullivant
|
|
N |
|
Sphagnum subsecundum Nees
|
|
N |
|
Sphagnum subtile (Russow) Warnst.
|
|
N |
|
Sphagnum tenerum Sullivant
|
|
N |
|
Sphagnum torreyanum Sullivant
|
|
N |
|
Sphagnum trinitense Müll. Hal.
|
|
N |
|
Sphagnum viride Flatberg
|
|
N |
|
Sphenolobopsis pearsonii (Spruce) R.M. Schust.
|
|
N |
|
Sphenolobus minutus (Schreb.) Berggr.
|
|
N |
|
Sphenopholis filiformis (Chapman) Scribn.
|
Long-leaf Wedgegrass |
N |
|
Sphenopholis nitida (Biehler) Scribn.
|
Shiny Wedgegrass |
N |
|
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
|
Slender Wedgegrass |
N |
|
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
|
Prairie Wedgegrass |
N |
|
Sphenopholis pensylvanica (L.) A.S. Hitchc.
|
Swamp Wedgegrass |
N |
|
Sphenopholis × pallens (Biehler) Scribn.
|
|
N |
|
Spinulum annotinum (L.) A. Haines
|
Stiff Clubmoss, Bristly Clubmoss |
N |
|
Spiraea alba Du Roi var. alba
|
Narrowleaf Meadowsweet |
N |
|
Spiraea alba Du Roi var. latifolia (Ait.) Dippel
|
Broadleaf Meadowsweet |
N |
|
Spiraea corymbosa Raf.
|
Dwarf Spiraea |
N |
|
Spiraea japonica L. f.
|
Japanese Spiraea |
I |
|
Spiraea prunifolia Sieb. & Zucc.
|
Bridal-wreath Spiraea |
I |
|
Spiraea salicifolia L.
|
Willow-leaf Meadowsweet |
I |
|
Spiraea tomentosa L.
|
Steeplebush, Hardhack |
N |
|
Spiraea virginiana Britt.
|
Virginia Spiraea |
N |
|
Spiraea ×billiardii Herinq.
|
Billard's Spiraea |
I |
|
Spiraea ×vanhouttei (Briot) Carr.
|
Van Houtte Spiraea |
I |
|
Spiranthes arcisepala M.C. Pace
|
|
N |
|
Spiranthes bightensis M.C. Pace
|
|
N |
|
Spiranthes cernua (L.) L.C. Rich.
|
Nodding Ladies'-tresses |
N |
|
Spiranthes eatonii Ames ex P.M. Brown
|
Eaton's Ladies'-tresses |
N |
|
Spiranthes lacera (Raf.) Raf. var. gracilis (Bigelow) Luer
|
Southern Slender Ladies'-tresses |
N |
|
Spiranthes lacera (Raf.) Raf. var. lacera
|
Northern Slender Ladies'-tresses |
N |
|
Spiranthes laciniata (Small) Ames
|
Lace-lip Ladies'-tresses |
N |
|
Spiranthes lucida (H.H.Eat.) Ames
|
Shining Ladies'-tresses |
N |
|
Spiranthes magnicamporum Sheviak
|
Great Plains Ladies'-tresses |
N |
|
Spiranthes ochroleuca (Rydb.) Rydb.
|
Yellow Nodding Ladies'-tresses |
N |
|
Spiranthes odorata (Nutt.) Lindl.
|
Fragrant Ladies'-tresses, Marsh Ladies'-tresses |
N |
|
Spiranthes ovalis Lindl. var. erostellata Catling
|
Oval Ladies'-tresses, October Ladies'-tresses |
N |
|
Spiranthes praecox (Walt.) S.Wats.
|
Grass-leaved Ladies'-tresses, Giant Ladies'-tresses |
N |
|
Spiranthes sylvatica P.M. Brown
|
Woodland Ladies'-tresses, Pale Green Ladies'-tresses |
N |
|
Spiranthes tuberosa Raf.
|
Little Ladies'-tresses |
N |
|
Spiranthes vernalis Engelm. & Gray
|
Twisted Ladies'-tresses, Spring Ladies'-tresses |
N |
|
Spirobassia hirsuta (L.) Frietag & G. Kadereit
|
Hairy Smother-weed, Hairy Sea-blite |
I |
|
Spirodela polyrrhiza (L.) Schleid.
|
Greater Duckweed, Duckmeal |
N |
|
Sporobolus clandestinus (Biehler) A.S. Hitchc.
|
Rough Dropseed |
N |
|
Sporobolus compositus (Poir.) Merr. var. compositus
|
Tall Dropseed, Longleaf Dropseed |
N |
|
Sporobolus heterolepis (Gray) Gray
|
Prairie Dropseed, Northern Dropseed |
N |
|
Sporobolus indicus (L.) R. Br.
|
Smut Grass |
I |
|
Sporobolus junceus (Beauv.) Kunth
|
Purple Dropseed, Pineywoods Dropseed |
N |
|
Sporobolus neglectus Nash
|
Small Dropseed |
N |
|
Sporobolus ozarkanus Fernald
|
Ozark Dropseed |
N |
|
Sporobolus vaginiflorus (Torr. ex Gray) Wood
|
Poverty Dropseed, Sheathed Dropseed |
N |
|
Stachys annua (L.) L.
|
Annual Hedge-nettle |
I |
|
Stachys appalachiana D.B. Poindexter & J.B. Nelson
|
Appalachian Hedge-nettle |
N |
|
Stachys arenicola Britt.
|
Hairy Hedge-nettle |
N |
|
Stachys aspera Michx.
|
Rough Hedge-nettle |
N |
|
Stachys byzantina K. Koch ex Scheele
|
Woolly Hedge-nettle, Lamb's-ear |
I |
|
Stachys cordata Riddell
|
Heart-leaf Hedge-nettle |
N |
|
Stachys eplingii J. Nelson
|
Epling's Hedge-nettle |
N |
|
Stachys floridana Shuttlw. ex Benth.
|
Florida Hedge-nettle, Florida Betony |
I |
|
Stachys germanica L.
|
German Hedge-nettle, Downy Woundwort |
I |
|
Stachys hispida Pursh
|
Hispid Hedge-nettle, Bristly Hedge-nettle |
N |
|
Stachys hyssopifolia Michx.
|
Hyssop-leaf Hedge-nettle, Hyssop Hedge-nettle |
N |
|
Stachys latidens Small ex Britt.
|
Broad-tooth Hedge-nettle |
N |
|
Stachys matthewsii G.P. Fleming, J.B. Nelson, & J.F. Townsend
|
Yadkin Hedge-nettle |
N |
|
Stachys palustris L.
|
Woundwort, Marsh Hedge-nettle, Marsh Woundwort |
I |
|
Stachys subcordata Rydb.
|
Blue Ridge Hedge-nettle |
N |
|
Stachys tenuifolia Willd.
|
Smooth Hedge-nettle |
N |
|
Staphylea trifolia L.
|
Bladdernut |
N |
|
Steinchisma hians (Ell.) Nash
|
Gaping Panic Grass |
N |
|
Steironema ciliatum (L.) Baudo
|
Fringed Loosestrife |
N |
|
Steironema hybridum (Michaux) Raf. ex B.D. Jackson
|
Lowland Loosestrife |
N |
|
Steironema lanceolatum (Walt.) Gray
|
Lanceleaf Loosestrife |
N |
|
Steironema quadriflorum (Sims) A.S. Hitchcock
|
Prairie Loosestrife, Four-flowered Loosestrife |
N |
|
Steironema radicans (Hooker) A. Gray
|
Trailing Loosestrife |
N |
|
Steironema tonsum (Alph. Wood) E.P. Bicknell ex Britton
|
Southern Loosestrife, Appalachian Loosestrife |
N |
|
Stellaria alsine Grimm
|
Bog Chickweed, Bog Stitchwort |
N |
|
Stellaria aquatica (L.) Scopoli
|
Giant Chickweed, Water Chickweed |
I |
|
Stellaria corei Shinners
|
Tennessee Starwort |
N |
|
Stellaria graminea L.
|
Common Stitchwort, Lesser Stitchwort |
I |
|
Stellaria longifolia Muhl.
|
Long-leaf Stitchwort |
N |
|
Stellaria media (L.) Vill.
|
Common Chickweed |
I |
|
Stellaria pallida (Dumort.) Crepin
|
Lesser Chickweed |
I |
|
Stellaria pubera Michx.
|
Star Chickweed, Common Starwort, Giant Chickweed, Great Chickweed |
N |
|
Stenanthium densum (Desr.) Zomlefer & Judd
|
Dense-flowered Camas |
N |
|
Stenanthium gramineum (Ker-Gawl.) Morong var. gramineum
|
Common Featherbells |
N |
|
Stenanthium gramineum (Ker-Gawl.) Morong var. robustum (S. Wats.) Fern.
|
Giant Featherbells |
N |
|
Stenanthium leimanthoides (Gray) Zomlefer & Judd.
|
Pinebarrens Death-camas |
N |
|
Stenotaphrum secundatum (Walt.) Kuntze
|
St. Augustine Grass, Carpet Grass |
I |
|
Stewartia malacodendron L.
|
Silky Camellia, Virginia Stewartia |
N |
|
Stewartia ovata (Cav.) Weatherby
|
Mountain Camellia, Mountain Stewartia |
N |
|
Stillingia sylvatica Garden ex L.
|
Queen's-delight |
N |
|
Stipulicida setacea Michx.
|
Pineland Scalypink |
N |
|
Straminergon stramineum (Dicks. ex Brid.) Hedenäs
|
|
N |
|
Streptopus amplexifolius (L.) DC.
|
White Mandarin, Pagoda-bells |
N |
|
Streptopus lanceolatus (Ait.) Reveal
|
Eastern Rose Mandarin, Eastern Twisted-stalk |
N |
|
Strophostyles helvola (L.) Ell.
|
Beach Bean, Trailing Wild Bean, Amberique Bean |
N |
|
Strophostyles leiosperma (Torr. & Gray) Piper
|
Small-flowered Sand Bean |
I |
|
Strophostyles umbellata (Muhl. ex Willd.) Britt.
|
Pink Wild Bean, Perennial Wild Bean |
N |
|
Stuckenia pectinata (L.) Borner
|
Sago Pondweed |
N |
|
Stylisma humistrata (Walt.) Chapman
|
Southern Dawnflower |
N |
|
Stylophorum diphyllum (Michaux) Nuttall
|
Celandine Poppy, Wood Poppy |
N |
|
Stylosanthes biflora (L.) B.S.P.
|
Pencilflower |
N |
|
Styphnolobium japonicum (L.) Schott
|
Pagoda Tree |
I |
|
Styrax americanus Lamarck var. americanus
|
American Snowbell |
N |
|
Styrax grandifolius Aiton
|
Bigleaf Snowbell |
N |
|
Styrax japonicus Sieb. & Zucc.
|
Japanese Snowbell |
I |
|
Suaeda linearis (Ell.) Moq.
|
Tall Sea-blite, Southern Sea-blite |
N |
|
Suaeda maritima (L.) Dumort
|
Common Sea-blite, White Sea-blite |
|
|
Sullivantia sullivantii (Torr. & Gray) Britt.
|
Sullivantia, Sullivant's Coolwort |
N |
|
Swida alternifolia (L.f.) Small
|
Alternate-leaf Dogwood, Pagoda Cornel, Pagoda Dogwood |
N |
|
Swida amomum (P. Miller) Small
|
Silky Dogwood |
N |
|
Swida drummondii (C.A. Meyer) Soják
|
Midwestern Roughleaf Dogwood |
I |
|
Swida foemina (P. Miller) Rydberg
|
Stiff Dogwood, Swamp Dogwood |
N |
|
Swida obliqua (Raf.) Moldenke
|
Silky Dogwood |
N |
|
Swida racemosa (Lamarck) Moldenke
|
Gray Dogwood |
N |
|
Swida rugosa (Lamarck) Rydberg
|
Roundleaf Dogwood |
N |
|
Swida sericea (L.) Holub
|
Red-osier Dogwood |
|
|
Symphoricarpos albus (L.) Blake
|
Snowberry |
|
|
Symphoricarpos albus (L.) Blake var. albus
|
Common Snowberry |
N |
|
Symphoricarpos albus (L.) Blake var. laevigatus (Fern.) Blake
|
Smooth Snowberry |
I |
|
Symphoricarpos orbiculatus Moench
|
Coralberry |
|
|
Symphyotrichum concinnum (Willd.) Mohlenbr.
|
Narrow-leaved Smooth Aster |
N |
|
Symphyotrichum concolor (L.) Nesom
|
Eastern Silvery Aster |
N |
|
Symphyotrichum cordifolium (L.) Nesom
|
Heart-leaved Aster, Blue Wood Aster |
N |
|
Symphyotrichum divaricatum (Nutt.) Nesom
|
Southern Annual Salt-marsh Aster |
I |
|
Symphyotrichum dumosum (L.) Nesom var. dumosum
|
Bushy Aster |
N |
|
Symphyotrichum dumosum (L.) Nesom var. strictior (Torr. & Gray) Nesom
|
Bushy Aster |
N |
|
Symphyotrichum elliottii (Torr. & Gray) Nesom
|
Elliott's Aster |
N |
|
Symphyotrichum ericoides (L.) Nesom var. ericoides
|
White Heath Aster |
N |
|
Symphyotrichum grandiflorum (L.) Nesom
|
Large-flowered Aster |
N |
|
Symphyotrichum laeve (L.) A. & D. Love
|
Smooth Blue Aster, Smooth Aster |
N |
|
Symphyotrichum lanceolatum (Willd.) Nesom
|
Panicled Aster, Eastern Lined Aster |
N |
|
Symphyotrichum lateriflorum (L.) A.& D. Love
|
Calico Aster, Starved Aster |
N |
|
Symphyotrichum lowrieanum (Porter) Nesom
|
Lowrie's Aster, Lowrie's Blue Wood Aster |
N |
|
Symphyotrichum novae-angliae (L.) Nesom
|
New England Aster |
N |
|
Symphyotrichum novi-belgii (L.) Nesom
|
New York Aster |
N |
|
Symphyotrichum oblongifolium (Nutt.) Nesom
|
Aromatic Aster |
N |
|
Symphyotrichum ontarionis (Wiegand) Nesom var. ontarionis
|
Bottomland Aster, Lake Ontario Aster |
N |
|
Symphyotrichum patens (Ait.) Nesom var. patens
|
Late Purple Aster |
N |
|
Symphyotrichum phlogifolium (Muhl. ex Willd.) Nesom
|
Thin-leaf Late Purple Aster |
N |
|
Symphyotrichum pilosum (Willd.) Nesom
|
Frost Aster |
N |
|
Symphyotrichum pilosum (Willd.) Nesom var. pilosum
|
Frost Aster, White Old-field Aster, Awl Aster |
N |
|
Symphyotrichum pilosum (Willd.) Nesom var. pringlei (Gray) Nesom
|
Frost Aster; Pringle's Aster |
N |
|
Symphyotrichum praealtum (Poir.) Nesom var. angustior (Wieg.) Nesom
|
Willow-leaf Aster |
N |
|
Symphyotrichum pratense (Raf.) Nesom
|
Western Silvery Aster, Barrens Silky Aster |
N |
|
Symphyotrichum prenanthoides (Muhl. ex Willd.) Nesom
|
Crooked-stem Aster |
N |
|
Symphyotrichum puniceum (L.) A.& D. Love var. puniceum
|
Purple-stem Aster |
N |
|
Symphyotrichum racemosum (Ell.) Nesom var. racemosum
|
Small White Aster |
N |
|
Symphyotrichum racemosum (Ell.) Nesom var. subdumosum (Wieg.) Nesom
|
Oldfield Small White Aster |
N |
|
Symphyotrichum schistosum (E.S. Steele) Nesom
|
Millboro Aster |
N |
|
Symphyotrichum shortii (Lindl.) Nesom
|
Short's Aster |
N |
|
Symphyotrichum subulatum (Michx.) Nesom
|
Annual Salt-marsh Aster |
N |
|
Symphyotrichum tenuifolium (L.) Nesom
|
Perennial Salt-marsh Aster |
N |
|
Symphyotrichum undulatum (L.) Nesom
|
Wavy-leaved Aster |
N |
|
Symphyotrichum urophyllum (Lindl.) Nesom
|
Arrow-leaved Aster |
N |
|
Symphytum officinale L.
|
Common Comfrey |
I |
|
Symplocarpus foetidus (L.) Salisbury ex W.P. C. Barton
|
Skunk Cabbage |
N |
|
Symplocos tinctoria (L.) L'Her.
|
Common Sweetleaf, Horse-sugar |
N |
|
Synandra hispidula (Michx.) Baill.
|
Guyandotte Beauty |
N |
|
Syntrichia amphidiacea (Müll. Hal.) R.H. Zander
|
|
N |
|
Syntrichia fragilis (Taylor) Ochyra
|
|
N |
|
Syntrichia pagorum (Milde) J.J. Amann
|
|
N |
|
Syntrichia papillosa (Wilson) Jur.
|
|
N |
|
Syringa vulgaris L.
|
Common Lilac |
I |
|
Syrrhopodon incompletus Schwägr.
|
|
N |
|
Syrrhopodon texanus Sull.
|
|
N |
|
Syzygiella autumnalis (DC.) K. Feldberg, Vána, Hentschel & J. Heinrichs
|
|
N |
|
Syzygiella nipponica (S. Hatt.) K. Feldberg, Vána, Hentschel & J. Heinrich
|
|
N |