Humpback inkcap mushroom 
Hydnellum aurantiacum 
Hydnellum spongiosipes 
Hydnum subrufescens 
Hydropus marginellus 
Hydropus praedecurrens 
Hygrocybe acutoconica 
Hygrocybe cantharellus 
Hygrocybe fenestrata 
Hygrocybe flavescens 
Hygrocybe glutinipes 
Hygrocybe miniata 
Hygrocybe parvula 
Hygrocybe singeri 
Hygrocybe squamulosa 
Hygrophoropsis rufa 
Hygrophorus goetzii 
Hygrophorus Milkcap 
Hygrophorus monticola 
Hygrophorus occidentalis 
Hygrophorus olivaceoalbus 
Hygrophorus sordidus 
Hygroscopic earthstar 
Hymenochaete cruenta