charophytes

例句：

1. 1. The water is rich in nutrients that are essential for the growth of charophytes.
   水富含对藻类生长至关重要的营养物质。
2. 2.The forest floor is covered with a thick layer of charophytes, providing shelter and food for many animals.
   森林底层覆盖着厚厚的一层藻类植物，为许多动物提供了庇护所和食物。
3. 3. The study found that some charophytes can produce toxins that can be harmful to humans.
   研究发现，一些藻类植物能产生对人类有害的毒素。