Common Name

Scientific Name

Common Name

Scientific Name

Sacred bamboo

Nandina domestica

Solomon's seal, false

Smilacina racemosa

Safflower

Carthamus tinctorius

Sorghum

Sorghum bicolor

Saffron crocus

Crocus sativus

Sorrel

Rumex acetosa

Sage

Salvia officinalis

Soursop

Annona muricata

Sagebrush, big

Artemisia tridentata

Sourwood

Oxydendrum arboreum

Sago palm

Cycas revoluta

Southern catalpa

Catalpa bignonioides

Saguaro cactus

Carnegiea gigantea

Southern crabapple

Malus angustifolia

St. John's wort

Hypericum perforatum

Southern magnolia

Magnolia grandiflora

Salmon unicorn entoloma

Entoloma salmoneum

Southern pine

Pinus palustris

Salmonberry

Rubus spectabilis

Soybean

Glycine max

Salsify

Tragopogon porrifolius

Spanish lime

Meliococcus bijugatus

Sand verbena

Abronia fragrans

Spearmint

Mentha spicant

Sandalwood tree

Santalum album

Speedwell

Veronica spp.

Sandbar willow

Salix interior

Spider flower

Cleome spinosa

Sapodilla

Manilkara zapota

Spider plant

Chlorophytum comosum

Sapote, mamey

Pouteria sapota

Spiderwort

Tradescantia virginiana

Sapote, white

Casimiroa edulis

Spike moss, compact

Selaginella densa

Sarsaparilla, Mexican

Smilax aristolochiaefolia

Spinach

Spinacea oleracea

Sassafras

Sassafras albidum

Spinach, New Zealand

Tetragonia expansa

Sausage fruit

Kigelia africana

Spiraea

Spiraea spp.

Savory, summer

Satureia hortensis

Spirogyra

Spirogyra spp.

Savory, winter

Satureia montana

Spleenwort, ebony

Asplenium platyneuron

Saw palmetto

Serenoa repens

Split leaf philodendron

Monstera deliciosa

Scaevola

Scaevola spp.

Spring beauty

Claytonia virginica

Scarlet cup

Sarcoscypha coccinea

Spruce, black

Picea mariana

Scarlet oak

Quercus coccinea

Spruce, Black Hills

Picea glauca

Scarlet pimpernel

Anagallis arvensis

Spruce, Engelmann

Picea engelmannii

Scarlet runner bean

Phaseolus coccineus

Spruce, Norway

Picea abies

Scenedesmus

Scenedesmus spp.

Spruce, Sitka

Picea sitchensis

Schefflera

Schefflera actinophylla

Squash

Cucurbita maxima

Scotch broom

Cytisus scoparius

Squash

Cucurbita moschata

Scots pine

Pinus sylvestris

Squash

Cucurbita pepo

Scouring rush, common

Equisetum hyemale

Staghorn fern

Platycerium bifurcatum

Scrambled-egg slime

Fuligo septica

Staghorn sumac

Rhus typina

Scrambled eggs

Corydalis aurea

Star anise

Illicium verum

Screw pine

Pandanus amaryttifolius

Star apple

Chrysophyllum cainito

Sea grape

Coccoloba uvifera

Star fruit

Averrhoa carambola

Sea lace

Chorda filum

Star of Bethlehem

Campanula isophylla

Sea palm

Postelsia palmaeformis

Stinging nettle

Urtica dioica

Sea potato

Leathesia difformis

Stinkhorn, netted

Dictyophora duplicata

Sedge, nut

Cyperus esculentus

Stinking smut fungus

Tilletia caries

Sego lily

Calochortus nuttallii

Stonewort

Chara spp.

Sensitive fern

Onoclea sensibilis

Stonewort

Nitella spp.

Sensitive plant

Mimosa pudica

Strawberry, Indian mock

Duchesnea indica

Sequoia, giant

Sequoiadendron giganteum

Strawberry, wild

Fragaria virginiana

Service tree

Sorbus domestica

Strawberry tree

Arbutus unedo

Serviceberry, Allegheny

Amelanchier laevis

Strep mutans

Streptococcus mutans

Sesame seed

Sesamum indicum

String bean

Phaseolus vulgaris

Seychelles palm

Lodoicea maldivica

String of beads

Senecio rowleyanus

Shagbark hickory

Carya ovata

Studded leather lichen

Peltigera aphthosa

Shaving brush, merman's

Penicillus dumetosus

Subalpine fir

Abies lasiocarpa

Shiitake mushroom

Lentinula edodes

Sudan grass

Sorghum Sudanese

Shingle oak

Quercus imbricaria

Sugar beet

Beta vulgaris

Shooting star

Dodecatheon meadia

Sugar maple

Acer saccharum

Showy lady's slipper

Cypripedium reginae

Sugar pine

Pinus lambertiana

Shumard oak

Quercus shumardii

Sugarcane

Saccharum officinarum

Sideoats grama

Bouteloua curtipendula

Sulfur bacteria

Desulfovibrio spp.

Silk-tassel bush

Garrya elliptica

Sumac, poison

Toxicodendron vernix

Silk tree

Albizia julibrissin

Sumac, staghorn

Rhus typina

Silver maple

Acer saccharinum

Summer savory

Satureia hortensis

Silverpalm, Florida

Coccothrinax argentata

Sunchoke

Helianthus tuberosus

Single-leaf pinyon

Pinus monophylla

Sundew

Drosera rotundifolia

Sitka alder

Alnus sinuata

Sunflower

Helianthus annuus

Sitka spruce

Picea sitchensis

Sunflower, Maximillian

Helianthus maximilianii

Skullcap

Scutellaria lateriflora

Sweet basil

Ocimum basilicum

Slash pine

Pinus elliottii

Sweet cherry

Prunus avium

Slime, scrambled-egg

Fuligo septica

Sweet marjoram

Origanum hortensis

Slime mold, cellular

Dictyostelium discoideum

Sweet orange

Citrus sinensis

Slime mold, plasmodial

Physarum polycephalum

Sweet potato

Ipomoea batatas

Slippery elm

Ulmus rubra

Sweet William

Dianthus barbatus

Slippery jack mushroom

Suillus luteus

Sweetgum

Liquidambar styraciflua

Sloe

Prunus spinosa

Sweetsop

Annona squamosa

Smoke tree

Dalea spinosa

Sycamore, American

Platanus occidentalis

Smooth-leaf begonia

Begonia semperflorens

Sycamore, Oriental

Platanus orientalis

Smut, anemone

Urocystis anemones

Syringa

Philadelphus lewisii

Smut, corn

Ustilago maydis

Snow-on-the-mountain

Euphorbia marginata

Smut fungus, stinking

Tilletia caries

Snowberry

Symphoricarpus albus

Snake plant

Sansevieria trifasciata

Snowdrop

Galanthus nivalis

Snapdragon

Antirrhinum majus

Soapberry

Sapindus saponaria