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The green algae (sg.: green alga) are a group of chlorophyll-containing autotrophic eukaryotes consisting of the phylum Prasinodermophyta and its unnamed sister group that contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep within the charophytes as a sister of the Zygnematophyceae.
The Chlorophyceae are one of the classes of green algae, distinguished mainly on the basis of ultrastructural morphology. [2] They are usually green due to the dominance of pigments chlorophyll a and chlorophyll b. The chloroplast may be discoid, plate-like, reticulate, cup-shaped, spiral- or ribbon-shaped in different species.
During the 20th century, many different classification schemes for the Chlorophyta arose. The Smith system, published in 1938 by American botanist Gilbert Morgan Smith, distinguished two classes: Chlorophyceae, which contained all green algae (unicellular and multicellular) that did not grow through an apical cell; and Charophyceae, which ...
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The Chlorophyceae are a class of green algae, distinguished mainly on the basis of ultrastructural morphology. They are usually green due to the dominance of pigments chlorophyll a and chlorophyll b. The chloroplast may be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon shaped, depending on the species.
Green algae, Scenedesmus Green algae, Crucigenia. Scenedesmaceae is a family of green algae in the order Sphaeropleales. Scenedesmus algae are commonly found in freshwater plankton. The former family Coelastraceae is considered a synonym of Scenedesmaceae. [1]
Download as PDF; Printable version; ... Chlorophyta classes (5 P) Pages in category "Green algae classes"
Chlorophytina is a subphylum within Chlorophyta and includes five classes. [ 2 ] [ 3 ] It contains the more well-known green algae and is characterized by the presence of phycoplasts . Taxonomy