Crossword clues for the word: GREENALGAE The word GREENALGAE has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for GREENALGAE Showing 1 to 4 of 4 results Clue(s) Common seaweed Growth on wet rocks or the surface of stagnant water Microscopic protists Spirogyra and sea lettuce