common orange lichen

algae ancestral ascomycota bark biology branch close closeup color commensalism commensalistic common composite crustose cyanobacteria cyanobionts detail ecosystem epiphytes erythritol foliose fungal fungi fungus genome genomic glucose growth haustoria holobiont hyphae institute joint lecanoromycetes lichen lichenicolous lichenized lichenometry lineage macro macrolichen maritime material microlichen model morphogenesis mutualism mutualistic natural nature oak old orange organism outdoor parasitic parasitism parietina pathogenic pattern photosynthetic plant poikilohydric rock rough scale sequencing shore sunburst surface symbiosis symbiotic teloschistaceae teloschistales walls xanthoria yellow