Cornicularia
Cornicularia
Single-species genus of lichen
Cornicularia is a genus of lichenised ascomycetes in the large family Parmeliaceae.[1] It is a monotypic genus, with a single currently accepted species, the saxicolous lichen Cornicularia normoerica.[2] This species has an erect caespitose growth form, and is sometimes referred to as the brittle lichen.