Fragments of the thallus containing both phycobiont and mycobiont cells may also grow into new lichens, a from of asexua地衣的碎裂片中，如含有藻类和真菌共生时，也可长成独立植株，这是一种无性的生殖形式。
On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.在萌发期，接合孢子经历减数分裂形成单倍体细胞再产生新的植物体。