Green algae live mutualistically between the microscopic scales on the surface of the guard hairs, giving the sloth a somewhat greenish appearance that serves as camouflage.
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In the early 1990s, the NSW Government assisted to establish wetlands at Carcoar Dam in an effort to control blue-green algae which had made the dam unusable for recreation and made the water discharged from the dam unusable, even for domestic animals.
: Not to be confused with Draparnaldia, the genus of green algae.
The dam harbours high concentrations of blue-green algae (Spirulina spp) and diatoms (Cyclotella spp.), the main food sources for its plentiful Lesser Flamingos.
The water condition of the rivers has improved since 2001–2007, but there is an increase in population of blue-green algae.
Each year, large amounts of blue-green algae were produced as the sun quickly heated the shallow water.
It is heteromerous, that is, it contains an upper cortex, medulla, green algal layer (occupied by Trebouxia spp.), and lower cortex.
Ostreococcus tauri is a unicellular species of marine green alga about 0.8 micrometres (μm) in diameter, the smallest free-living (non-symbiotic) eukaryote yet described.
The sea is rich in seaweed (predominantly kelp, Laminaria japonica), cephalopods, crustaceans, shellfishes, clams, and especially in blue-green algae which bloom in summer and contribute to the water color (see image above).
The salt desert supports very little plant life except for the blue-green algae that gives the Etosha its characteristic colouring, and grasses like Sporobolus spicatus which quickly grow in the wet mud following a rain.
His experimentation with the green algae Acetabularia provided a model subject for modern cell biological research, and proved the existence of morphogenetic substances, or mRNP.
This and other species in the genus contain a green algae in the genus Coccomyxa and also cyanobacteria in the genus Nostoc as symbionts.
Some green algae of the class Charophyceae use phragmoplasts similar to those in embryophytes to organize and guide the growing cell plate.