Tricholoma subresplendens 
Tricholoma subsejunctum 
Tricholoma sulphurescens 
Tricholomopsis formosa 
Tricholomopsis sulphureoides 
Trooping Crumble Cap 
Trumpet Lichen 
Tube Lichen 
Tuberous Polypore 
Tuckermannopsis americana 
Tuckermannopsis fendleri 
Tulasnella violea 
Turban Lichen 
Turbinellus kauffmanii 
Turkey Tail 
Turquoise Elfcup 
Twin Map Lichen 
Two-colored Bolete 
Twotone Funnel 
Tylopilus badiceps 
Typhula setipes 
Tyromyces galactinus 
Umber-brown Puffball 
Umbilicaria phaea