They are recognised by their size, which can be anything from 150 mm to 500 mm. Like all puffballs, when cut in half and the interior is all white, then it can be eaten.
Common name: Giant Puffball
Found: Farm Land
Height: 300 mm
Width: 400 mm
Edible: Yes when young
This is a small sampling of the number that were present in this field.
A very old one were the white outer layer has flaked off.