The plants and vegetation of a region

Solution (By Examveda Team)

One word substitute is Flora.

Flora: the plants of a particular region, habitat, or geological period.
Fauna: the animals of a particular region, habitat, or geological period.
Landscape: all the visible features of an area of land, often considered in terms of their aesthetic appeal.
Environment: the surroundings or conditions in which a person, animal, or plant lives or operates.