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(1/2) The Fermilab site continually surprises with its wonders of nature, this time with huge mushrooms. One, two and maybe more: These are Calvatia gigantea, commonly known as giant puffballs. Mushrooms tend to grow in groups. nature, plant, fungus, mushroom, giant puffball Photo: Aleksandr Romanov

The Fermilab site continually surprises with its wonders of nature, this time with huge mushrooms. One, two and maybe more: These are Calvatia gigantea, commonly known as giant puffballs. Mushrooms tend to grow in groups.