Arrange the following stages of hydrarch in correct sequence of their appearance.
A. Reed Swamp stage
B. Free floating plant stage
C. Submerged free floating plant stage
D. Marsh meadow stage
The various plant communities that appear in hydrarch succession are, Phytoplankton, Rooted submerged stage, Submerged free floating stage, Free floating stage, Reed-Swamp stage, Marsh-meadow stage, Scrub stage and Climax forest.