Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217357: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217358: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217359: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217360: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217361: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217362: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217363: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217364: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217365: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 217366: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 282442: Umbilicaria muehlenbergii (Ach.) Tuck.

Mushroom Observer Image 282443: Umbilicaria muehlenbergii (Ach.) Tuck.