Geaster MinimusGeaster minimus
The Smallest Earth-star
Peridium or Pouch - Globose, depressed, not pointed; vaulted underneath.
Bark or Outer Coat - Segments acute at the apex, many lobed; the lobes, seven to nine, expanding 1/2-1 inch.
Inner Coat - Ovoid, 1/4-1 inch in diameter, white to pale brown, with a distinct pedicel, seated in a plain circular disk.
Mouth - Lifted on a cone, lip bordered with hair-like fringe.
Spores - Brown, globe-shaped, minutely warted.
Threads - Transparent.
Habitat - Grassy grounds.