None of the sites are as yet known to be invaded by non-native plants.

The water quality is impaired due to non-native aquatic plants.

Most are only a few acres, and it takes work to keep them from being invaded by non-native plants.

Most of the land on which it grows has been taken over by non-native plants.

How do non-native plants move around in the first place?

Are we being consistent in our approach to non-native plants and animals?

The plant faces competition from other species of non-native plants on the islands.

These non-native plants still inhabit the island to this day.

There is also an invasion by non-native plants in these forests.

The water quality is impaired due to non-native plants in the pond.