He knows a bit about kudzu, too, a species of crawling weed introduced to the United States from Asia in 1876.

It is renowned for its brown trout - a European species of fish introduced into New Zealand for fishing in the late 1860s.

Non-native species can also introduce and spread diseases and parasites to which native species may have no resistance.

A cleverer species would have introduced goal-line technology by now.

A species introduced to a new area or country.

Likewise, it is not known why this species became extinct, but introduced rats are a prime suspect.

Some scientists are concerned that the new species could introduce unforeseen problems.

Not all introduced species are invasive, nor all invasive species deliberately introduced.

It was identified on May 13 as a type of Veronica, possibly Veronica filiformis, an invasive species introduced to this country and now naturalized.

ODFW has captured golden shiners, another invasive species of bait fish illegally introduced to the lake.