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 ...

Rowing clubs have also had to cancel several events due to Pennywort growth, resulting in essential income loss.

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 ...

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, ...

An often-overlooked water plant that can double its biomass in two days, capture nitrogen from the air -- making it a valuable green fertilizer -- and be fed to poultry and livestock could serve as ...

Native to the eastern U.S., Carolina azolla holds excellent potential for use as a fast-growing, short-season crop that requires minimal inputs, upkeep and processing, according to Penn State ...