Green Wood Cup 
Green-spored parasol 
Green-staining coral 
Green-tipped coral 
Greenfoot Fibrecap 
Grey disco 
Grey knight 
Grey tooth 
Grifola colensoi 
Grisette 
Grooved bonnet 
Guepinia 
Guepiniopsis alpina 
Gumtree Deceiver 
Gunpowder Amanita 
Gyalolechia flavovirescens 
Gymnoconia nitens 
Gymnopilus allantopus 
Gymnopilus bellulus 
Gymnopilus delepis 
Gymnopilus ferruginosus 
Gymnopilus subspectabilis 
Gymnopus confluens 
Gymnopus earleae