Ramalina farinacea var. hypoprotocetrarica (W. Culb.) D. Hawksw.

    Differs from the type by its very pale colorations and by its chemical spot tests: C-, K-, KC-, Pd-, UV+ white bluish. Mostly on twigs of bushes and small trees near the seashore. Prevalence unknown since identification requires systematic chemical spot tests. Atlantic and on nutrient-poor substrates.