New old plant. Loaded with vitamins and minerals. Been grown in China and Japan since 17th century. Maybe a way to grow a lot of protein, vitamins, and minerals for small homestead set ups or people. Could be grown inside. AZOLLA – A Little Ferm with Massive Green Potential - Hasiru Organics
I thought Azula was a class of high speed Russian submarines? . Also looks like a potential invasive that could play havoc with clear waterways and canals if released intentionally or carried by animals or birds from one waterway to another. WARNING ... CAUTION with regard to possible unintended consequences.