jacopo-werther lichen
trumpet lichen
Lichens are composite organisms consisting of a fungus and a photosynthetic partner growing together in asymbiotic relationship.
lipstick lichen
The photobiont is usually either a green alga (commonly Trebouxia)
or cyanobacterium (commonly Nostoc).The morphology, physiology
and biochemistry of lichens are very different from those of the
isolated fungus and alga in culture.