Order: Lecanorales Family: Ramalinaceae
Species: Ramalina subfarinaceae
Photos: On coastal rock. Snave pier, Co. Cork, SW Ireland.
Small, +/- erect yellowish green-grey thallus with much-divided lobes. Excavate soralia with granular soredia. Diffuse, spreading holdfast, often forms dense swards.
Usually coastal on exposed, nutrient-rich rocks, also on old heather stems, dune soil, occasional inland. Often found with R. siliquosa.
Medulla and soralia usually K+ yellow turning red.
Similar: Ramalina farinacea. Usually found on trees and wood.
Ramalina subfarinaceae. December 2009