Taxa Count: 15

UMBILICARIACEAE

Umbilicaria americana

Umbilicaria angulata

Umbilicaria arctica

Umbilicaria deusta

Umbilicaria hyperborea

Umbilicaria mammulata

Umbilicaria muehlenbergii

Umbilicaria phaea

Umbilicaria polyrhiza

Umbilicaria proboscidea

Umbilicaria rigida

Umbilicaria torrefacta

Umbilicaria vellea

Umbilicaria virginis

Family Not Defined

Umbilicaria krascheninnikouii