Ramalinaceae Lecania cyrtellina Growth type crustose Chemical reactions negative Local in old woodland on shaded, base-rich bark. Not associated with Xanthorion. Host to the lichenicolous Echinodiscus lesdainii Thin greyish thallus, the clustered apothecia pale pink, brown or piebald, becoming translucent when wet. The asci are 8-spored, spores are simple or 1-septate, 8-12(-15) × 2-3(-4) µm. Microscope photograph below. Similar: L. cyrtella, wider spores, usually in Xanthorion communities. Lecania naegelii, spores larger and usually 3-septate

Microscope photograph

Lecania cyrtellina
On Elder. Studland Heath, Dorset. May 2015