Buchwaldoboletus sphaerocephalus is a species of bolete fungus in the family Boletaceae. It is native to Europe, North America and Southwest Australia.
Originally described by Jean-Baptiste Barla as Boletus sphaerocephalus in 1859, it was given its current name by Roy Watling & Tai Hui Li in 2004.
The cap is convex, glabrous, silky and tomentose, viscid when wet. Its color is yellow to yellow-fulvus. It reaches wide. The pores are small, tubes short, and adnate ventricose. The context is yellow, bluing when bruised. The stipe is fleshy, ventricose, and there is a yellow mycelium at the stipe base; it reaches tall and wide.
Spores are ovoid, pale ochraceous and measure 5.5âÂÂ7.2 by 3.3âÂÂ4.5 üm. The spore print is brown.
It resembles B. orovillus, B. hemichrysus and B. lignicola.
Buchwaldoboletus sphaerocephalus has been recorded in Europe, North America (from August to October) and Southwest Australia, growing in clusters on sawdust of pines, often in enclosed areas.