lichens

1.lichens grow in conditions that no other plants tolerate.

地衣长在其他任何植物都无法生长的条件下。

2.Fragments of the thallus containing both phycobiont and mycobiont cells may also grow into new lichens, a from of asexual reproduction.

地衣的碎裂片中，如含有和菌共生时，也可长成独立植株，这是一种无性的生殖。

3.Reproduction in lichens may be asexual by soredia (algal cells enclosed by fungal hyphae) or by sexual fungal spores, which can survive only if some algal cells are also present.

地衣可以利用粉芽（菌菌丝包裹胞）进行无性生殖或利用菌孢子进行有性生殖。