A fairy ring, also known as fairy circle, elf circle, elf ring or pixie ring, is a naturally occurring ring or arc of mushrooms, in his case Marasmius oreades. The
body of this fungus, its mycelium, is underground. It grows outward in a
circle. As it grows, the mycelium uses up all of the nutrients in the
soil, starving the grass. This is the reason a fairy ring has dead grass
over the growing edge of the mycelium. Umbrella-shaped fruiting bodies,
called mushrooms, spring up from just behind the outer edge of the
mycelium.

Fairy rings have a rich folkloric background. In Europe, they’ve been
called elf rings, witches rings and sorcerer’s rings. Their tendency to
occur in woodland areas have linked them with supernatural stories of
fairies and other elusive creatures.

Arctic Foxes ‘Grow’ Their Own Gardens

The underground homes, often a
century old, are topped with gardens exploding with lush dune
grass, diamondleaf willows, and yellow wildflowers—a flash of color in
an otherwise gray landscape.


“They’re bright green and everything around them is just brown,” says Brian Person, a wildlife biologist for the North Slope Borough in Barrow, Alaska. “It pops”…

Arctic Foxes ‘Grow’ Their Own Gardens