Azolla aquatic fern

Azolla, (mosquito fern, duckweed fern, fairy moss, water fern) on the top of fresh water at Los Gatos Creek, CA.
“Researchers hope to use the fernlike Azolla to reverse the global warming effects of burning fossil fuels”
“Do you know about The Azolla event? Fifty-two million years ago, one plant, in the Arctic Ocean, right near the North Pole, contributed the most towards pulling 3,000 parts per million CO2 out of the atmosphere, single-handedly, in 800,000 years.”