homoiomerous thallus
lichen structure
Quick Summary
A homoiomerous thallus is a type of lichen structure where the algal cells are scattered throughout the thallus, with more algal cells than fungal cells. This is in contrast to a heteromerous thallus, which is more common and has distinct layers, with a predominance of fungal cells. Lichens themselves are symbiotic organisms composed of algae or cyanobacteria and fungi. The composite body of a lichen is called a thallus.123
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