Pineapple bolete 
Pisolithus marmoratus 
Pisolithus microcarpus 
Poison Pax 
Porphyrellus porphyrosporus 
Powdery sulfur bolete 
Pseudomerulius aureus 
Pseudomerulius curtisii 
Red Bog Bolete 
Red-stipe bolete 
Reddish brown bitter bolete 
Rhizopogon occidentalis 
Rhubarb bolete 
Roody's Bolete 
Rubroboletus lupinus 
Rubroboletus pulchrotinctus 
Ruby bolete 
Russell's Bolete 
Satan's Bolete 
Scaly Earthball 
Scleroderma laeve 
Scleroderma meridionale 
Serpula himantioides 
Shaggy Cap