Geastrum albonigrum

Geastrum albonigrum is an inedible species of mushroom belonging to the genus Geastrum, or earthstar genus. It is found in Costa Rica and Mexico.^[1] G. albonigrum can be distinguished from superficially similar species G. coronatum and G. lloydianum by the presence of a rhizomorph on its exoperidium.^[1]

Geastrum albonigrum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Geastrales
Family:	Geastraceae
Genus:	Geastrum
Species:	G. albonigrum
Binomial name
Geastrum albonigrum Calogne & Mata (2004)