Gloeotrichia echinulata is a type of cyanobacterium that draws scrutiny because it tends to bloom in clear lakes, forming thick mats of visible green or white puffballs in otherwise clean water. Because of the slew of toxic compounds cyanobacteria can produce, blooms (historically called "blue-g...

Source: [Phys.org](https://phys.org/news/2026-09-cyanobacterium-lakes-toxic-potential.html)

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