Aquatic plants seen floating on the Willamette River near Sellwood Bridge on Oct. 15, 2023. (Photo by Sheila Thompson) by: John Ross Ferrara. Posted: Oct 19, 2023 / 12:13 PM PDT.

Because floating aquatic plants are considered nontoxic, the Oregon Department of Environmental Quality did not conduct toxicology tests. In 2023, heavy rain was thought to have dislodged the ...

Because of the salinity in the water, experts say floating hyacinth won’t last long in Lake Pontchartrain and will likely be gone by next week. Click here to report a typo.