Author: Otto Olivier

Russian knapweed was formerly known as Acroptilon repens L., but now goes by the scientific name...

Noxious weeds are a growing problem around the globe, and purple starthistle is not an exception....

The musk thistle also goes by the name nodding thistle. Scientifically, people regard it as the...

People love roses, be it for their attractive appearances or their sweet scents. It is thus quite...

The thing with invasive species is that most of them are eye-catching. They look great in...