What are the main morphological forms algae present in?

(from microscopic unicellular to several meters (laminaria) -Unicells (some are non-motile, others can posses one or more flagella, this can be either unicellular or colonial) - Colonial ( often united by mucilage, cells can be flagellated or non-motile, some are of predictable amount of cells called coenobium.) -Filaments (branched or not, crawling or erect) -Parenchymatous (have parts that resemble leaves stems and roots although not differentiated) -Coenocytic (less common with a coenocytic or siphonous growth, one large cell with multicucleated, without cross walls with cell wall all around it.