Bad news, I'm afraid. Water caltrop, Trapa natans, are interesting little things, hard and sharp. Shaped sort of like the horns of a bull. But of course, they come from a plant. And if you step on ...

A harmful invasive plant species has been spotted in Ontario's waters once again this year, raising concerns among ...

The plant forms dense mats of floating vegetation resulting in decreased plant biodiversity. It can also alter surrounding water chemistry, which may harm phytoplankton and other aquatic organisms.

Underwater 'breathing' plants could be key to stress-resistant crops Researchers examine the formation of air channels in wetland plants, a protective trait that makes them resilient to ...