苔藓属于孢子植物,在孢子体成熟之后即释放孢子,世代交替繁殖。苔藓在分类学上界于藻类和蕨类之间,包括苔纲（6000种）,藓纲（14000种）和......

The configurations of C-20 in derivatives of novel 5α-adynerin type,co-existing glycoside in pair,were identified with ......