Family: Chrysotrichaceae
Chrysothrix candelaris (L.) J.R. Laundon
Type: Leprose
Forms a thin, diffuse thallus of granular soredia. Bright yellow, often with a greenish tinge. Widespread on the shaded side of deciduous trees, especially with rough bark
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