Characeae

例句：

1. 1.The Characeae family includes many species of water plants.
   水生草本植物纲包括许多种水生植物。
2. 2.Researchers are studying the genetic diversity within the Characeae family.
   研究人员正在研究水生草本植物纲内的遗传多样性。
3. 3.The Characeae family is known for its unique adaptations to aquatic environments.
   水生草本植物纲因其对水生环境的特有适应而闻名。