''Pisolithus hypogaeus'' is a

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

in the genus '' Pisolithus'', occurring in coastal south-western

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

in association with eucalypt

ectomycorrhiza An ectomycorrhiza (from Greek ἐκτός ', "outside", μύκης ', "fungus", and ῥίζα ', "root"; pl. ectomycorrhizas or ectomycorrhizae, abbreviated EcM) is a form of symbiotic relationship that occurs between a fungal symbiont, or mycobi ...

l hosts on sandy soils. DNA samples show that ''Pisolithus hypogaeus'' is a relative of other brown- and echinulate-spored ''Pisolithus'' species, and is most closely related to two undescribed epigeous ''Pisolithus'' species from Australia.

References

{{Taxonbar, from=Q10632307 Boletales