Lecanora jamesii Lecanoraceae
Lecanora jamesii

Growth type crustose
Chemistry: Thallus K-, C-, P-, UV+/- pale orange. Soralia K+/- weak yellow

Can be locally abundant on Salix in damp woodland. Rare on wood.

Small +/- circular patches of pale to mid-grey thallus, often with blackish prothallus. Translucent spots (large crystal clusters) are visible when thallus is moistened. Scattered piles of yellowish-green punctiform soralia form in centre of thallus. Apothecia usually absent.

Similar: L. farinaria. On wood and worked timber, also found on Salix and Calluna stems. Thallus and soralia K+ yellow, C-, P+ weak yellow, UV-


Lecanora jamesii


Lecanora jamesii
Lecanora jamesii

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