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Teloschistaceae
Calogaya decipiens (Caloplaca decipiens) Growth type placodioid (crustose with lobed margins) Chemical results: K+ crimson Found on mortar, tombstones, cement and sometimes on nutrient-rich limestone. Rarely found on timber. Small light-yellow to brownish-orange thallus with long +/- distinct lobes with palmate tips. The centre of the thallus is darker and often disintegrates. Inner lobes have granular orange-yellow soredia. Apothecia are occasional. Similar: Candelariella medians. Chemical result K- |
Caloplaca decipiens
UK. March 2012