Three-cornered Leek is in full flower at present and it is easy to spot as it often grows in dense clumps along roadside ...

(CNN) — Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and ...

Invasive species are reshaping ecosystems and local people's relationship with nature in the tropics, a study led by Danish researchers Ninad Avinash Mungi and Jens Christian Svenning from Aarhus ...

It sounds like the title of a bad B-movie: Alien Plant Invaders. But here in Montgomery County and communities across the country, the problem of alien plants -- also known as nonnative invasive ...