Bellemerea alpina
# Bellemerea alpina

Bellemerea alpina, the brown sunken disk lichen, is a white to pale tan, thick crustose areolate lichen that grows on rock in the mountains worldwide. It grows in arctic-alpine habitats in Eurasia, North America (south to California and Arizona), Australia, and New $Zealand.^{:228}$ Areoles are sometimes contiguous and sometimes $dispersed.^{:228}$ It often has very visible black $prothallus.^{:228}$ The brown to tan apothecia have a purplish tinge and are grayed by a pruinose coating, and embedded in the areoles, giving a similar appearance to members of the genus $Aspicilia.^{:228}$

