Saccharomyces cerevisiae
Saccobolus depauperatus
Saccobolus glaber
Saffron Milkcap
Sagenomella striatispora
Saprolegnia ferax
Sarcoleotia turficola
Sarcomyxa serotina
Sarcoscypha austriaca
Sarcoscypha austriaca var. austriaca
Sarcoscypha coccinea
Satin Shield
Sawadaea bicornis
Scaly Earthball
Scaly Fibrecap
Scaly Rustgill
Scaly Webcap
Scaly Wood Mushroom
Scarlet Bonnet
Scarlet Brittlegill
Scarlet Caterpillarclub
Scarlet Elfcup
Scarlet Waxcap
Scarletina Bolete
Schizophyllum commune
Schizopora paradoxa
Schizothecium conicum
Schizothyrium pomi
Sclerococcum sphaerale
Scleroderma areolatum
Scleroderma bovista
Scleroderma cepa
Scleroderma citrinum
Scleroderma verrucosum
Sclerotinia curreyana
Sclerotinia muscorum
Sclerotinia sclerotiorum
Sclerotinia sulcata
Sclerotinia tuberosa
Sclerotium cepivorum
Sclerotium tuliparum
Scopulariopsis asperula
Scopulariopsis brevicaulis
Scopulariopsis brumptii
Scopulariopsis candida
Scopulariopsis parva
Scopuloides hydnoides
Scopuloides rimosa
Scurfy Deceiver
Scurfy Fibrecap
Scurfy Twiglet
Scutellinia cejpii
Scutellinia crinita
Scutellinia crucipila
Scutellinia kerguelensis
Scutellinia minor
Scutellinia olivascens
Scutellinia patagonica
Scutellinia scutellata
Scutellinia setosa
Scutellinia subhirtella
Scutellinia superba
Scutellinia trechispora
Scutellinia umbrorum
Scutellinia vitellina
Scutularia citrina
Sebacina epigaea
Sebacina incrustans
Seifertia azaleae
Semifree Morel
Sepia Bolete
Sepia Brittlegill
Sepia Pinkgill
Sepia Webcap
Septofusidium herbarum
Septoria apii
Septoria apiicola
Septoria castaneicola
Septoria convolvuli
Septoria dianthi
Septoria gladioli
Septoria graminum
Septoria polygonorum
Septoria pseudoplatani
Septoria rubi
Septoria tritici
Septoria violae
Septoria violae-palustris
Serendipita vermifera
Serpula lacrymans
Sesquicillium buxi
Sessile Earthstar
Setulipes androsaceus
Shaggy Bracket
Shaggy Inkcap
Shaggy Parasol
Shaggy Scalycap
Sheathed Woodtuft
Shield Dapperling
Shield Pinkgill
Shooting Star
Sickener
Silky Piggyback
Silky Pinkgill
Silky Rosegill
Sillia ferruginea
Silverleaf Fungus
Simocybe centunculus
Simocybe centunculus var. centunculus
Sinuous Chanterelle
Sirococcus conigenus
Sistotrema brinkmannii
Sistotrema coroniferum
Sistotrema octosporum
Sistotremastrum niveocremeum
Skeletocutis amorpha
Skeletocutis lenis
Skeletocutis nivea
Skeletocutis vulgaris
Skullcap Dapperling
Slate Bolete
Slender Brittlegill
Slender Club
Slender Parasol
Slimy Spike
Slimy Waxcap
Slimy Webcap
Slippery Jack
Small Stagshorn
Smoked Oysterling
Smoky Bracket
Smoky Cavalier
Smoky Domecap
Smoky Roundhead
Smoky Spindles
Snakeskin Brownie
Snakeskin Grisette
Snaketongue Truffleclub
Snapping Bonnet
Snowy Disco
Snowy Inkcap
Snowy Waxcap
Soapy Knight
Soft Puffball
Sooty Milkcap
Sordaria fimicola
Southern Bracket
Sowerbyella radiculata
Sowerbyella radiculata var. radiculata
Spangle Waxcap
Sparassis crispa
Sparassis laminosa
Sparassis spathulata
Spathularia flavida
Spectacular Rustgill
Speira toruloides
Sphaceloma rosarum
Sphacelotheca hydropiperis
Sphaeria acuta
Sphaeria aquila
Sphaeria gnomon
Sphaeria moriformis
Sphaeria ocellata
Sphaeria spermoides
Sphaerobolus stellatus
Sphaeropsis taxi
Sphaerotheca fusca
Sphaerotheca macularis
Sphaerotheca pannosa
Sphaerotheca plantaginis
Sphaerotheca spiraeae
Sphagnum Brownie
Sphagnum Greyling
Sphinctrina turbinata
Spicaria farinosa
Spindle Toughshank
Spinellus fusiger
Spiny Puffball
Spirosphaera floriformis
Splanchnonema pupula
Splendid Waxcap
Split Fibrecap
Split Porecrust
Splitpea Shanklet
Spongipellis spumeus
Sporidesmium altum
Sporobolomyces roseus
Sporodinia grandis
Sporormiella megalospora
Sporormiella minima
Spotted Toughshank
Spring Brittlestem
Spring Cavalier
Spring Fieldcap
Spring Hazelcup
Spring Pin
Sprucecone Cap
Squamanita paradoxa
St. George's Mushroom
Stachybotrys atra
Stachybotrys chartarum
Stagonospora curtisii
Stagonospora pini
Stagonosporopsis curtisii
Stamnaria persoonii
Star Fibrecap
Star Pinkgill
Steccherinum fimbriatum
Steccherinum ochraceum
Stemmaria aeruginosa
Stemonitis axifera
Stemonitis flavogenita
Stemonitis fusca
Stemonitis fusca var. fusca
Stemonitis herbatica
Stemonitis nigrescens
Stemonitis typhoides
Stemonitopsis hyperopta
Stemonitopsis typhina
Stereum complicatum
Stereum gausapatum
Stereum hirsutum
Stereum ochraceoflavum
Stereum rameale
Stereum rugosum
Stereum sanguinolentum
Stereum subtomentosum
Sticky Bolete
Sticky Scalycap
Stictis stellata
Stigmidium aggregatum
Stigmidium schaereri
Stilbum vulgare
Stinkhorn
Stinking Brittlegill
Stinking Dapperling
Stinking Earthfan
Stocking Webcap
Stomiopeltis dryadis
Strasseria geniculata
Straw Club
Straw Fibrecap
Striate Aldercap
Striate Earthstar
Strobilurus esculentus
Strobilurus stephanocystis
Strobilurus tenacellus
Stromatinia gladioli
Stropharia aeruginosa
Stropharia albonitens
Stropharia aurantiaca
Stropharia caerulea
Stropharia cyanea
Stropharia inuncta
Stropharia pseudocyanea
Stropharia semiglobata
Stropharia squamosa
Stropharia squamulosa
Strossmayeria basitricha
Stubble Rosegill
Stump Puffball
Stylodothis puccinioides
Stypella crystallina
Stypella subhyalina
Stypella vermiformis
Subbaromyces splendens
Subulicystidium longisporum
Suede Bolete
Suillus aeruginascens
Suillus bovinus
Suillus granulatus
Suillus grevillei
Suillus luteus
Suillus variegatus
Suillus viscidus
Sulphur Knight
Sulphur Tuft
Summer Bolete
Summer Bolete
Surprise Webcap
Sweet Poisonpie
Sycamore Tarspot
Sydowia polyspora
Symphytocarpus flaccidus
Synaptospora tartaricola
Synchytrium aureum
Synchytrium taraxaci
Syzygites megalocarpus