Ahosilmäruoho
On sandstone. Thallus and medulla K-, C-, KC-, P-. Apothecia lecideine, disc grey-blue pruinose then epruinose; epithecium olive-brown; hymenium colourless; paraphyses branched and anastomosing. Asci 8-spored; Ascospores 1- celled, hyaline, ellipsoid, 13-21 x 6-8 µm. Thallus with oil droplets in section.