Its survival has been threatened by the appearance of another plant , an invasive species called european beachgrass .
它的生存由于另一个植物的出现而受到了威胁,这是个带有侵略性的物种被称作欧洲喜沙草属。
The invasive prickly pear cactus in australia was controlled by bringing in an argentinean cactus moth .
澳大利亚侵略性的仙人掌被引入的阿根廷仙人掌蛾控制住。
Of all the invasive species in all the world , fire ants are among the most annoying-and dangerous .
在世界上所有入侵的物种里面,火蚁是最令人讨厌的了也很危险。
The nursery manager , dave allen , explained how important it is that invasive plants don 't elbow out the native species when the soil is exposed and vulnerable .
Fertility testing is nothing if not invasive , but the research , from the university of rochester medical center , means that the latest tool in the fertility arsenal might soon be a lowly tape measure .