cladonia rangiferina or reindeer lichen or reindeer moss or caribou moss. microscopic lichen symbiosis of cyanobacteria and fungi

algae background bark biology botany bushy caribou cladonia closeup crustose cultivation cyanobacteria drippy filaments flora foliose forest fruticose fungi green greenery growth lichen lichenes macro microcosm microscopic moss nature plant rangiferina reindeer relationship research science scurf scurfy symbiosis symbiotic texture wildlife wood young