Species: Ramalina cuspidata
Photos: On coastal rocks. Co. Cork and Co. Waterford, Ireland.
Erect or +/- pendant, shiny ivory coloured thallus, the lobes with conspicuous black pycnidal ostioles. The base is usually blackened, the lobes +/- terete. Frequently fertile.
Chemical reactions are variable as several chemotypes occur:
K+/- yellow-orange or yellow-red, P+/- yellow-orange, UV-
Coastal, often on more sheltered rocks lower on shore than Ramalina siliquosa. Most frequent on western Irish coasts.
Similar: Ramalina siliquosa. Lobes without black ostioles.
Ramalina cuspidata. January 2009 and April 2012