典型的水下植物有轮藻目，池塘杂草，角苔纲和睡莲。
Typical submerged plants are Charales, pond weed, hornworts and water lilies.
开花植物分为两种，在克朗奎斯特分类法中分别称为木兰纲和百合纲。
The flowering plants are divided into two groups, which in the Cronquist system are called Magnoliopsida and Liliopsida.
他把那些植物分类成二十二纲。
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