Order: Lecanorales       Family: Candelariaceae Species: Candelariella xanthostigmoides (C. reflexa) Growth type crustose. Photos: Macroom, Co. Cork and Kilcolman, Co.Limerick, Ireland Small yellow or yellowish-green granules or minute squamules that are scattered or +/- contiguous. Bright yellow soredia that can form continuous crust. Apothecia very rare, with simple spores. Chemical reactions: K- (Caloplaca species are K+ red) Occurs on nutrient-enriched tree trunks and branches and at tree bases in 'canine zone'. Similar: C. vitellina, soredia absent. Caloplaca citrina, K+ crimson

Candelariella xanthostigmoides (Candelariella reflexa). October 2009, September 2019