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| Algae, Green Chlorophyta | Nitella | Scenedesmus | Sea Lettuce | Spirogyra | Ulva | Volvox | Green Algae Algae of the division Chlorophyta, in which the green pigment of CHLOROPHYLL is not masked by other pigments. Classes include Charophyceae, Bryopsidophyceae, Conjugatophyceae, Oedogoniophyceae, Chlorophyceae, and Prasinophyceae. Common genera are ACETABULARIA; CHLAMYDOMONAS; CHLORELLA; Nitella; PROTOTHECA; Scenedesmus, Spirogyra, and Volvox. |