One of several similar looking puffballs found in a beech forest, the other been Calostoma fuscum that has a much longer stipe then C. rodwayi. Although this may not be the best way to tell them apart.
Common name: None
Found: Nothofagus Forest
Substrate: Ground
Spore: White
Height: 40 mm above ground
Width: 25 mm
Season: Autumn
Edible: No