Planktonic algae are microscopic plants, usually suspended in the upper few feet of water, which often reach bloom proportions. Their presence will cause water to appear pea soup green or brownish.
B.
Filamentous algae, also known as pond scum or moss, forms greenish mats upon the water’s surface. The algae usually begins it’s growth along the edges
or bottom of the pond and mushrooms to the surface buoyed by the oxygen it produces.
C.
Attached-erected algae are the advanced forms of algae, which are gray-green or yellow in appearance and are often mistaken for vascular algae. The best way to identify them is their musky odor and gritty, bristly texture due to calcium deposited on the surface.
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