The species is considered vulnerable and is threatened by both building and alien vegetation.

Tanith was hot and humid, with a smell of alien vegetation.

Powdery dirt and alien vegetation flew up beneath their boots.

In addition, Federal conservation law means alien vegetation cannot be introduced into a wildlife region.

Although some sites are pristine, others are threatened by alien vegetation.

What process, similar to but different from photosynthesis, might this alien vegetation employ?

During the second half of the 19th century, the area was completely overrun by alien vegetation, mainly of Australian origin.

What he had thought in the first hour were red flowers on the Victoria Embankment instead proved to be an alien vegetation.

But Emil moved like a wraith through the alien vegetation, while I kept getting tangled up.

By the next morning, Jordy and his farm have been completely covered with dense layers of the hideous alien vegetation.