Do algae have flowers?

These blooms are recognizable by large blades of algae that may wash up onto the shoreline. Once the nutrient is present in the water, the algae begin to grow at a much faster rate than usual. In a mini bloom, this fast growth benefits the whole ecosystem by providing food and nutrients for other organisms.

Mini bloom you mean algae produce flowers?

That means the growth of algae in a short period of time.