Upholstered Fire Sponge, Elbow Patch Fungus 
Upright Coral Fungus 
Uromyces ari-triphylli 
Usnea cornuta 
Usnea hirta 
Usnea merrillii 
Usnea scabrida 
Vampire's Bane 
Variable Oysterling 
Variable Webcap 
Varicellaria velata 
Veiled Oyster 
Veiled Panus 
Veined Mossear 
Velutarina rufo-olivacea 
Veluticeps fimbriata 
Velvet roll-rim 
Velvety milk cap 
Venturia inaequalis 
Venturia rumicis 
Verdigris agaric 
Verdigris navel 
Vermilion Amanita 
Verpa digitaliformis