Sweden- tree, perennial, elongated, stem, trunk, Plant, mosses, green, algae, living, algae, fungi, sunlight, life, endosymbiosis, cyanobacteria

- Image ID: RRKRRP

Sweden- tree, perennial, elongated, stem, trunk, Plant, mosses, green, algae, living, algae, fungi, sunlight, life, endosymbiosis, cyanobacteria

Martin Almqvist / Alamy Stock Photo

Image ID: RRKRRP