Family: Physciaceae
Anaptychia runcinata (With.) J.R. Laundon
Type: Foliose
Forms a rosette of chocolate brown or olive, narrow, appressed lobes. The apothecia have black-brown discs with coarse crenulate margins.Common on coastal rocks
References:
Smith, C.W. et al. editors (2009) The Lichens of Great Britain and Irelandd
Dobson, F.S. (2018) Lichens: an Illustrated Guide to the British and Irish Species