liitorganism, mis koosneb kahest komponendist: seenest ehk mükobiondist ja fotosünteesivast komponendistehk fotobiondist, any of a group of composite organisms consisting of a fungus (the mycobiont) and a photosynthetic alga or cyanobacterium (the photobiont) in a stable symbiotic association, having morphological and physiological characteristics which differ from those of the component species
