KnowraIsidiumLinked fromLinked fromThe 7 pages that link to Isidium, each with the reason it gives.All 7Broader topic 2Related 4Compared with 1ThallusBroader topic: These thallus projections provide another route for lichen propagation.Parmotrema perlatumBroader topic: Isidia are another vegetative dispersal structure found among lichens.