Western grisette 
Western Lactarius 
Western Panther 
Western Pixie-Cup 
Wet rot 
Whetstone's Amidella 
White American star-footed Amanita 
White Blanket 
White Cheese Polypore 
White coral fungus 
White Coral Fungus 
White Coral Jelly Fungus 
White disco 
White dommecap 
White Dunce Cap 
White green-algae coral 
White Mold 
White Morel 
White Punk 
White Saddle 
White-footed Elf Cup 
White-Pored Chicken of the Woods 
Wine glass fungus 
Wine-colored Agaricus