Order: Lecanorales       Family: Cladoniaceae Species: Cladonia verticillata Primary thallus squamulose, secondary thallus fruticose Photographed by Marushka da Costa and Dr Douglas McMillan, Muckanagh, Co. Mayo. Basal squamules entire or with shallow, rounded lobes, white below, upper surfaces bluish-grey when fresh. Podetia with regular scyphi, +/- abruptly tapered to stalk with 2-5 proliferating tiers from centre of scyphus. Thallus C-, K-, KC-, Pd+ red, UV- Widespread but most frequent on dry moorland in western Ireland. (Previously known as Cladonia cervicornis subsp. verticillata) Similar: Cladonia cervicornis can also have multiple tiers of podetia

Cladonia verticillata, (Cladonia cervicornis subsp verticillata) . 2020