地衣又称翠云草、层层草 ,属真菌与藻类的共生体。对环境要求与兰花相似 ,喜阴、喜润、怕燥、怕强光长照。把它点缀在兰花盆中 ,可调节温度和湿度 ,保持兰叶、兰花不被泥水污染。地衣除了兰花开花季节不宜上盆繁殖外 ,其余季节都可繁殖 ,最好是在兰花翻盆换土、上盆定植时铺盖 Lichens, also known as Cuiyun grass, grass layers, is a symbiont of fungi and algae. Environmental requirements and orchids are similar, hi yin, Xi Run, afraid of dry, afraid of long shining light. Embellishment it in the orchid pot, adjustable temperature and humidity, keep blue leaves, orchids are not contaminated by muddy water. Lichens in addition to the orchid flowering season should not be on the pot breeding, the rest of the season can be breeding, it is best to turn pots orchids in the pot, planting pots on the cover