Irish lichens
|
Order: Lecanorales Family: Lecanoraceae
Species: Lecanora pulicaris Photos: On wooden fence post. Ballineen, Co. Cork, SW Ireland. Identification uncertain as not tested for P+ reaction Smooth or warted yellow-white or greyish thallus, with or without a white or greyish prothallus. Discs reddish-brown, medulla with large crystals (not dissolving in K) and small granules (dissolving in K) on surface of epithecium. Spores 11-15 x 8-10 µm. On acid-barked twigs and branches and wooden posts and fences. K+ yellow, C-, KC-, P+ orange-red, UV- or bluish-white Similar: Lecanora chlarotera. P-. Larger granules on epithecium |
Lecaonora pulicaris. March 2009