羊齿植物丛

例句：

1. 1. The forest was covered in a lush fern vegetation.
   森林里覆盖着茂密的蕨类植被。
2. 2. The scientist studied the fern vegetation of the area.
   科学家研究了该地区的蕨类植被。
3. 3. The fern vegetation provided shade and shelter for the animals.
   蕨类植被为动物提供了阴凉和庇护所。