A dangerous new threat to Australia's water systems is emerging in the Northern Territory. Amazon frogbit, an aggressive weed, has been discovered near Darwin, where it is clogging irrigation channels ...

(WLUK) -- An invasive plant was discovered for the first time in the state of Wisconsin. The Wisconsin Department of Natural Resources says the European frogbit was spotted in an unnamed stream in ...

Restrictions will be placed upon a popular plant used by home-aquarium owners, after the ACT government declared it to be an invasive pest.