The main characters ( the numbers of spores per ascus and the characters of ascospore wall ) at the species level whithin pertusaria is revealed by the light microscope . there are twenty - one secondary natural products examined by color reaction test and thin - layer chromatography in the text 通过用光镜对中国鸡皮衣属和果疣衣属地衣的孢子研究，结果表明：孢子特征尤其是每子囊内孢子数目、孢子排列方式及孢子壁的特征是种水平上的重要分类依据。
