Lecanora campestris Lecanoraceae
Lecanora campestris

Growth type crustose.
Chemical results: K+ yellow, C-, P-/P+ v pale yellow, UV-/UV+ dull orange.

Very common on basic to calcareous stone, walls, mortar, cement and asphalt, also on nutrient-enriched acidic rocks. Rare on worked timber.
Associated lichenicolous fungi include Toninia subfuscae, Muellerella lichenicola and Lichenodiplis lecanorae

Greyish-white, warted or areolate thallus with a fimbriate white prothallus. Crowded apothecia, discs reddish-brown with smooth margins that become contorted with age. Small, irregular crystals are present in medulla and thalline margin. Simple spores, 10-15 x 6-9 Ám.

Similar: Lecanora horiza. K-, deciduous trees and vertical gravestones


Lecanora campestris


Lecanora campestris


Lecanora campestris
Lecanora campestris
Wool churchyard and Kimmeridge bay, Dorset. September 2012 and January 2013

All images used are copyright. Please contact me if you find errors.