Heath Waxcap 
Hemimycena pseudocrispula 
Hemistropharia albocrenulata 
Herald of Winter 
Hohenbuehelia grisea 
Hohenbuehelia mastrucata 
Hohenbuehelia unguicularis 
Honey fungus 
Honey Waxcap 
Horsehair Parachute 
Humidicutis mavis 
Humpback 
Humpback inkcap mushroom 
Hydropus marginellus 
Hydropus praedecurrens 
Hygrocybe acutoconica 
Hygrocybe cantharellus 
Hygrocybe fenestrata 
Hygrocybe flavescens 
Hygrocybe glutinipes 
Hygrocybe miniata 
Hygrocybe parvula 
Hygrocybe singeri 
Hygrocybe squamulosa