Lecanora caesiorubella

Spore Ascus

Thin Section

Thallus

Lichen Index

There are 171 species in this genus on the continent. To make identification easier, the genus is divided into groups with like characters. This species represents the L. pallida group,  characterized by pruinose disks, lack of large crystals in margins and lower apothecial  parts, and a thallus that turns yellow with a  drop of  dilute potassium hydroxide.