What does blue green alga mean?

blue green alga meaning in General Dictionary

some of a team of photosynthetic microorganisms possessing faculties of both bacteria and plants whenever classified as micro-organisms they're assigned to your Cyanobacteria whenever classed as plants these are generally assigned toward Cyanophyta they're now-known is prokaryotic as they are often called cyanobacteria in technical contexts See cyanobacterium