oakmoss lichen macro

alga antler ascomycota biology black branch close closeup cluster clustered cover covered covering cyanobacterium cyanobateria detail detailed eco ecology ecosystem environment environmental evernia flora forest fungi fungus gray green grey grow growing growth lecanorales lecanoromycetes lichen macro many microcosmos mycobiont natural nature numerous oakmoss organic outdoor outside parmeliaceae pattern patterned photobiont phycobiont prodigious prunastri purple several shape species spore spread spreading structure surface symbiosis symbiotic texture textured tree trunk vegetated vegetation vibrant vivid white wild wilderness woodland woods