| Phialastrum | |
|---|---|
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Geastrales |
| Family: | Geastraceae |
| Genus: | Phialastrum Sunhede |
| Type species | |
| Phialastrum barbatum (Dissing & M. Lange) Sunhede | |
Phialastrum is a genus of fungi in the family Geastraceae. A monotypic genus, it contains the single species Phialastrum barbatum, described by Sunhede in 1989.
