Ornamental grasses is one kind of new landscape plants and quite a lot of cultivars had been introduced to Beijing.

观赏草是一类新型园林植物，近年来较多的观赏草品种被引入北京。

youdao

Can we somehow command them to eat only introduced African grasses?

BBC: Trumpets of outrage in the outback

All that changed in the 1880s, when settlers introduced sheep and cattle, which ate the grasses that fuelled the fires.

ECONOMIST: Fire in the west: Another costly war that America can never win? | The