Chlorophyceae include both marine and freshwater plants.
Some Chlorophyceae are terrestrial in habit, usually growing on a damp substratum, however.
Characeae are separated from other Chlorophyceae by Ulvaceae that there is any pretension to the formation of a true a long interval, and present the highest degree of differentiation of parenchyma within the limits of the Chlorophyceae.
Instead of a single relatively large The Chlorophyceae excel all other groups of algae in the magnitude and variety of form of the chlorophyll-bodies.
Unknown in Cyanophyceae and Phoeophyceae, known only in Bangiaceae and Nemalion among Rhodophyceae, they are of frequent occurrence among Chlorophyceae, excepting Characeae.