Definition that contains green algae
- chara green algae common in freshwater lakes of limestone districts
- family characeae green algae superficially resembling horsetail ferns: stoneworts
- chlamydomonadaceae green algae some of which are colored red by hematochrome
- family chlamydomonadaceae green algae some of which are colored red by hematochrome
- characeae green algae superficially resembling horsetail ferns: stoneworts
- genus chara green algae common in freshwater lakes of limestone districts