Sanguinaria canadensis

Sanguinaria canadensis

Bloodroot

Sanguisorba officinalis

Sanguisorba officinalis

Great Burnet

Sapium sebiferum

Sapium sebiferum

Chinese Tallow

Saponaria officinalis

Saponaria officinalis

Bouncing Bet, Bouncingbet, Soapwort

Sarracenia leucophylla

Sarracenia leucophylla

Crimson Pitcherplant, White Pitcher Plant, White-Topped Pitcher Plant

Sarracenia minor

Sarracenia minor

Hooded Pitcherplant

Satureja hortensis

Satureja hortensis

Summer Savory

Scabiosa ochroleuca

Scabiosa ochroleuca

Cream Pincushions, Cream Scabious

Schinus molle

Schinus molle

Pepper Tree, Peruvian Peppertree

Schisandra chinensis

Schisandra chinensis

Chinese Magnolia Vine, Chinese Magnolia-vine, Five Flavor Fruit

Schisandra sphenanthera

Schisandra sphenanthera

nan wu wei zi, Southern Magnolia Vine

Schizachyrium scoparium

Schizachyrium scoparium

Beard Grass, Little Bluestem, Little Bluestem Broomsedge

Scirpus atrovirens

Scirpus atrovirens

Dark Green Bulrush, Green Bulrush, Meadow Rush

Scirpus cyperinus

Scirpus cyperinus

Woolgrass

Securinega suffruticosa

Securinega suffruticosa

Securinega

Senna hebecarpa

Senna hebecarpa

American Senna

Senna marilandica

Senna marilandica

Maryland Senna, Wild Senna

Senna roemeriana

Senna roemeriana

Twin-leaf Senna, Twoleaf Senna

Senna siamea

Senna siamea

Kassod Tree, Siamese Cassia

Sequoia sempervirens

Sequoia sempervirens

California Redwood, Coast Redwood, Redwood

Serenoa repens

Serenoa repens var. Green

var. Green

Saw Palmetto

Serratula tinctoria

Serratula tinctoria

Centaury, Dyer's Plumeless Saw-wort, Sawwort

Sesbania grandiflora

Sesbania grandiflora

Agati, Vegetable Hummingbird

Silene chalcedonica

Silene chalcedonica

Burning Love, Dusky Salmon, Flower of Bristol, Jerusalem Cross, Maltese Cross, Nonesuch

Silene vulgaris

Silene vulgaris

Bladder Campion, Maidenstears

Silybum marianum

Silybum marianum

Blessed Milkthistle, Holy Thistle, Mary Thistle, Milk Thistle

Smallanthus uvedalia

Smallanthus uvedalius

Bear's Foot, Hairy Leafcup

Solanum dulcamara

Solanum dulcamara

Bittersweet Nightshade, Climbing Nightshade, Deadly Nightshade, Nightshade

Solanum melongena

Solanum melongena Black Beauty

var. Black Beauty

Black Beauty Aubergine, Black Beauty Eggplant, Black Beauty Melongene

Solidago canadensis

Solidago canadensis

Canada Goldenrod

Sorbus pohuashanensis

Sorbus pohuashanensis

Amur Mountain Ash

Sorbus sitchensis

Sorbus sitchensis

Sitka Mountain Ash, Western Mountain Ash

Sorbus torminalis

Sorbus torminalis

Checkertree, Chequer Tree

Sorghastrum nutans

Sorghastrum nutans var. Holt

var. Holt

Indiangrass, Yellow Indiangrass

Spartina pectinata

Spartina pectinata

Marsh Grass, Prairie Cord Grass, Prairie Cordgrass, Salt Grass

Spartium junceum

Spartium junceum

Spanish Broom

Spinacia oleracea

Spinacia oleracea

'Bloomsdale Long Standing'

Bloomsdale Long Standing Spinich, Spinach

Spiraea chinensis

Spiraea chinensis

Chinese Spirea

Staphylea japonica

Staphylea japonica

Euscaphis Tree, Korean Sweetheart Tree

Stevia rebaudiana

Stevia rebaudiana

Candyleaf, Stevia, Sugar Leaf, Sugarleaf, Sweet Leaf, Sweetleaf

Stewartia monadelpha

Stewartia monadelpha

Orangebark Stewartia, Tall Stewartia

Stewartia pseudocamellia

Stewartia pseudocamellia

Japanese Stewartia, Stewartia

Stewartia pseudocamellia

Stewartia pseudocamellia var. koreana

var. koreana

Korean Stewartia, Stewartia

Stewartia rostrata

Stewartia rostrata

Beaked Stewartia, Chinese Stewartia, Upright Stewartia

Stipa capillata

Stipa capillata

Needle Grass

Strelitzia reginae

Strelitzia reginae

Bird-of-paradise, Queen's Bird-of Paradise, Queen's Bird-of-Paradise

Styphnolobium japonicum

Styphnolobium japonicum

Japanese Pagoda Tree

Succisa pratensis

Succisa pratensis

Devil's Bit Scabious, Devilsbit

Symphyotrichum lateriflorum

Symphyotrichum lateriflorum

Calico Aster, Side-Flowering Aster, Starry Aster

Symphyotrichum nova-angliae

Symphyotrichum novae-angliae

New England Aster