Portugal

stinking goosefoot

Chenopodium vulvaria

St. John's bread

Ceratonia siliqua

stinking hellebore

Helleborus foetidus

Stinking iris

Iris foetidissima

stony sponge

Petrosia ficiformis

Strapwort

Corrigiola litoralis

strawberry clover

Trifolium fragiferum

Strawberry guava

Psidium cattleianum

Strawberry tree

Arbutus unedo

Shrubby Dewplant

Ruschia caroli

Stream Water-crowfoot

Ranunculus penicillatus

Pine Needle Split

Lophodermium pinastri

string grimmia

Grimmia funalis

striped hawk-moth

Hyles livornica

Flea

Ctenocephalides canis

Striped Acorn Barnacle

Amphibalanus amphitrite

Striped Grayling

Hipparchia fidia

Stripeless Tree Frog

Hyla meridionalis

Strong-spined Medick

Medicago truncatula

fern-leaf lavender

Lavandula multifida

subpinnate gooseneck moss

Rhytidiadelphus subpinnatus

Perez's Frog

Pelophylax perezi

Subterranean clover

Trifolium subterraneum

Subulate Bladderwort

Utricularia subulata

Sugarcane

Saccharum officinarum

Sugargum

Eucalyptus cladocalyx

summer ladiestresses

Spiranthes aestivalis

sulphur clover

Trifolium ochroleucon

Summer Jasmine

Jasminum officinale

Sulphur Tuft

Hypholoma fasciculare

Summer-moss

Anoectangium aestivum

supina bluegrass

Poa supina

Sundberg's Dandelion

Taraxacum sundbergii

Sunflower

Mauranthemum paludosum

Sun Grimmia

Grimmia montana

Sun jumping spider

Heliophanus kochii

Sunolgrass

Phalaris coerulescens

Supine vervain

Verbena supina

Turkey feather alga

Padina pavonica

Surinam cherry

Eugenia uniflora

Swampmahogany

Eucalyptus robusta

Sweet Spurge

Euphorbia dulcis

Atlantic mako

Isurus oxyrinchus

Pertusaria coccodes

Atlantic Pocket-moss

Fissidens monguillonii

Atlantic Thresher

Alopias vulpinus

climbing groundsel

Senecio angulatus

Swedish pouchwort

Calypogeia suecica

Australian cheesewood

Pittosporum undulatum

Sweet-amber

Hypericum androsaemum

Sweet bay

Laurus nobilis

Sweet cherry

Prunus avium

pink slit limpet

Emarginula rosea

Sweet marjoram

Origanum majorana

Sweet-nancy

Achillea ageratum

Sweet Pea

Lathyrus odoratus

Sweetpotato

Ipomoea batatas

delicate everlasting

Gamochaeta antillana

autumn ladiestresses

Spiranthes spiralis

Awl-Leaved Earth-Moss

Pleuridium subulatum