thicket

A dense growth of shrubs or underbrush; a copse.

Something suggestive of a dense growth of plants, as in impenetrability or thickness.

Specifically, in forestry, a stand of saplings.

A number of shrubs, bushes, or trees set and growing close together; a thick coppice, grove, or the like.

A wood or a collection of trees, shrubs, etc., closely set.