Calvatia gigantea
Calvatia gigantea
          Calvatia gigantea
The giant puffball pictured here is the size of a basketball; found early October
(2005) in semi-open woods.  These mushrooms produce trillions of spores.
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INDIANA MUSHROOMS
Calvatia gigantea
Calvatia gigantea
This pristine specimen of Calvatia gigantea was also found early
October (2008) growing in semi-open woods (mixed hardwoods) with
walnut trees present.  Soccer ball sized.  
These mature, spore-filled examples of Calvatia gigantea were found in spring.
Calvatia gigantea
These giant puffballs were among a grouping of ten found in early October
growing in semi-open woods (mixed hardwoods) with walnut trees present.
This partially mature giant puffball
collapsed under heavy rains.
Coloration of under-developed, maturing giant puffball.
Point of attachment to the ground is often only
a web of mycelia emerging from the soil.