Talk:Spikerock/@comment-39180482-20191002014029/@comment-39180482-20191002014234

Or maybe he is crust moss

Crust moss (or Lichenes in scientific terms) is a compound organism which is a form of close mutual symbiosis of fungus (as mycobiont) with photosynthetic partners (photobiont), which can be green algae (usually Trebouxia) or cyanobacteria (usually Nostoc).