PORTLAND, Ore. (KOIN) — The once-mysterious green “scum” that was first reported to be floating through Portland on the Willamette River earlier is still lingering in the area. However, local experts ...

A dense coating of aquatic weeds has annoyed visitors for months. A pervasive bloom of aquatic weeds across the surface of Spring Lake that has bedeviled visitors for months may finally be on its way ...

Findings from this study suggest that azolla is food safe and has the potential to safely feed millions of people due to its rapid growth while free-floating on shallow fresh water without the need ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. With each fern no wider than an inch, mosquito ferns turned ...

If you ever watch a duck float across a pond, gobbling up the vegetation coating the surface, that bird is way ahead of its time. The buoyant greenery is azolla, a tiny fern that grows like crazy, ...