Brazil

Snow Gum

Eucalyptus pauciflora

Snowpeaks raspberry

Rubus niveus

Blushing Dapperling

Leucoagaricus badhamii

Gyrosigma balticum

Soapberry

Sapindus saponaria

Eye Bright

Heliotropium angiospermum

Society garlic

Tulbaghia violacea

Isthmia enervis

Soft elephantsfoot

Elephantopus mollis

Softseed wild petunia

Ruellia simplex

Sourgrass

Digitaria insularis

False Coffee

Faramea occidentalis

souari-nut

Caryocar nuciferum

Sordid Blewit

Lepista sordida

Sorghum

Sorghum arundinaceum

Sour orange

Citrus aurantium

Sour Prickle

Opuntia dillenii

Soursop

Annona muricata

South American Copal

Hymenaea intermedia

South American jelly palm

Butia capitata

South American lupin

Lupinus mutabilis

South American royal palm

Roystonea oleracea

South American sapote

Matisia cordata

Southern Bracket

Ganoderma australe

Southern cattail

Typha domingensis

Southern Cut Grass

Leersia hexandra

Latin American crowngrass

Paspalum convexum

Southern mahogany

Eucalyptus botryoides

Tropical ticktrefoil

Desmodium cajanifolium

Latin globemallow

Sphaeralcea bonariensis

Spanish Ash

Inga ingoides

Southwest wild carrot

Daucus pusillus

Soya-bean

Glycine max

Spanish arborvine

Distimake tuberosus

Spanish broom

Spartium junceum

Spanish cherry

Mimusops elengi

Spanish elm

Cordia alliodora

Spanish-flag

Ipomoea lobata

Spanish lime

Melicoccus bijugatus

Spanish-needles

Bidens bipinnata

Spathelikeleaf Vochysia

Vochysia spathiphylla

Spearmint

Mentha spicata

Spider brake

Pteris multifida

Spider plant

Chlorophytum comosum

Spiderwisp

Gynandropsis gynandra

southern Florida sandmat

Euphorbia adenoptera

Spiked speedwell

Veronica spicata

Spinach

Spinacia oleracea

spindle palm

Hyophorbe verschaffeltii

Spiny Cocklebur

Xanthium spinosum

Spiny naiad

Najas marina

Spiny sowthistle

Sonchus asper

spiral tasselweed

Ruppia cirrhosa

Spiritweed

Eryngium foetidum

Split Porecrust

Schizopora paradoxa

Splendid Paphiopedilum

Paphiopedilum insigne

Sponge gourd

Luffa aegyptiaca

karanda

Carissa carandas

Annual pearlwort

Sagina apetala

Annual ryegrass

Lolium multiflorum