* Different categories: Grasses and bushes are from different plant categories. Grasses are typically categorized as graminoids (belonging to the grass family), while bushes are considered shrubs (woody plants that are smaller than trees).
* Varied growth habits: Grasses tend to form dense mats or fields, while bushes can grow in clusters or individually.
Possible options:
* You could use:
* "A stand of grasses and bushes"
* "A patch of grasses and bushes"
* "A thicket of grasses and bushes" (This might work best if the bushes are dense)
Ultimately, the best collective noun depends on the specific context and the visual you're trying to create.