Under-brushes are small plants, shrubs, and trees that grow beneath the canopy of the forest. There are several synonyms for under-brushes, such as undergrowth, ground cover, low vegetation, understorey, and bushy vegetation. These synonyms describe the vegetation that grows on the forest floor and provides important habitat and food sources for many animals. Under-brushes are diverse, with some being deciduous shrubs, while others are evergreen conifers. They are important for forest regeneration, erosion control, and soil stabilization. Understanding the various synonyms for under-brushes helps to describe the essential role they play in maintaining healthy forest ecosystems.