floristic composition的用法和样例：
例句
- It is possible, finally, to base classification on the full floristic composition of communities without reliance on numerical techniques.
最后，分类还有一种可能，即以植物群落的全部植物种类组成作为分类的基础，并无须依赖于计算技术。 - The species composition and characteristics of mangrove flora in the world were reviewed and discussed.
探讨了世界红树林植物区系的种类组成及其特点。
