Scarlet bonnet 
Scarlet Bonnet 
Scarlet fairy helmet 
Scarlet hood 
Scarlet Waxcrust 
Scleroderma laeve 
Scleroderma meridionale 
Scotch bonnet 
Scurfy Deceiver 
Scurfy twiglet 
Scytinotus longinquus 
Sebacina epigaea 
Serpula himantioides 
Serried Porecrust 
Shaggy Bracket 
Shaggy Cap 
Shaggy Chanterelle 
Shaggy Ink Cap 
Shaggy Legged Ringless Amanita 
Shaggy Parasol 
Shaggy scalycap 
Shaggy-stalked bolete 
Sheathed woodtuft 
Shellfish-scented Russula