Ramalina hamulosa Krog & Østh.

    Fruticose thallus arranged in a small upright or hanging bush, formed of branches starting from a basal disk, flattened branches and in strips with rare linear pseudocyphellae, these pale yellowish-grey branches are strongly divided at the ends and at the margin by hook-shaped outgrowths ending in small globular nodules. Species generally sterile or with very rare apothecia. Medulla: C-, K+ red, KC+/- reddish, P+ red. Saxicolous species coming on rocks, mainly volcanic and vertical.

_ This species belongs to the group of Ramalina decipiens and is very close to Ramalina crispatula which is generally fertile.