''Acaulospora koskei'' is a species of

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 family

Acaulosporaceae The ''Acaulosporaceae'' are a family of fungi in the order Diversisporales. Species in this family are widespread in distribution, and form arbuscular mycorrhiza and vesicles in roots. The family contains two genera Genus ( plural genera ) is ...

. It forms arbuscular mycorrhiza and vesicles in roots. Found in Poland, where it was collected from soil under ''

Ammophila arenaria ''Ammophila arenaria'' is a species of grass in the family Poaceae. It is known by the common names marram grass and European beachgrass. It is one of two species of the genus ''Ammophila (Poaceae), Ammophila''. It is native to the coastlines of ...

'', it was described as a new species in 1996.

References

Diversisporales Fungi described in 1955 Fungi of Europe {{Glomeromycota-stub