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

Serenoa repens

Serenoa repens Silver

var. Silver

Silver 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

Silybum marianum

Silybum marianum

Blessed Milkthistle, Holy Thistle, Mary Thistle, Milk Thistle

Smallanthus uvedalius

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

Stevia rebaudiana

Stevia rebaudiana

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

Stewartia monadelpha

Stewartia monadelpha

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

Symphyotrichum lateriflorum

Symphyotrichum lateriflorum

Calico Aster

Symphyotrichum nova-angliae

Symphyotrichum novae-angliae

New England Aster

Symphytum officinale

Symphytum officinale

Comfrey, Common Comfrey

Symplocos paniculata

Symplocos paniculata

Sapphire Berry

Tabebuia rosea

Tabebuia rosea

Pink Trumpet-tree

Tagetes patula

Tagetes patula

French Marigold

Taraxacum officinale

Taraxacum officinale

Common Dandelion

Taxodium distichum

Taxodium distichum Northern

Northern

Bald Cypress

Taxodium distichum

Taxodium distichum Southern

Southern

Bald Cypress

Taxus baccata

Taxus baccata

Common Yew, English Yew

Taxus brevifolia

Taxus brevifolia

Pacific Yew

Taxus cuspidata

Taxus cuspidata

Japanese Yew

Taxus wallichiana

Taxus wallichiana var. chinensis

var. chinensis

Chinese Yew

Taxus wallichiana

Taxus wallichiana var. mairei

var. mairei

Mair Yew

Telekia speciosa

Telekia speciosa

Giant Ox Eye, Giant Oxeye, Heartleaf Oxeye, Yellow Oxeye

Thalictrum aquilegifolium

Thalictrum aquilegifolium

Columbine Meadow-rue, Meadow Rue

Thuja plicata

Thuja plicata

Western Red Cedar, Western Redcedar

Thymus vulgaris

Thymus vulgaris

Garden Thyme

Tilia amurensis

Tilia amurensis

Amur Lime, Amur Linden

Tilia tomentosa

Tilia tomentosa

Silver Lime, Silver Linden