This image was acquired from
pixabay. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
lichen schuesselflechte leaf braid blue grey parmelia sulcata ordinary gelbflechte road xanthoria parietina weave yellow tree branch mushroom mykobionten photobionten phytobionten green algae chlorophyta cyanobacteria laubflechte grey laubflechte sulcatflechte leaf weaving type yellowish greenish bluish gray hand braided