Giant funnel 
Giant puffball 
Glabrous armillaria 
gliophorus irrigatus 
Gliophorus minutulus 
Gliophorus perplexus 
Goblet Funnel Cap 
Gold-flecked Woodwax 
Golden Bootleg 
Golden coincap 
Golden orange tricholoma 
Golden oyster mushroom 
Golden Scalycap 
Golden spindles 
Golden trumpet 
Golden Waxycap 
Golden-scruffy Collybia 
Goldenedge Bonnet 
Goldenhaired Inkcap 
Gorgeous waxy cap 
Grass Oysterling 
Grassland Puffball 
Green Skin-head 
Green-spored Parasol