Genus Chara yana nufin rukuni na koren algae, wanda aka fi sani da stoneworts ko muskgrass. Yana da wani nau'i na charophyte koren algae da ake samu a cikin ruwa mai dadi da na ruwa. Kalmar “genus” tana nufin matsayi na haraji da aka yi amfani da shi a cikin tsarin rabe-raben halittu, yana nuna ƙungiyar halittu waɗanda ke da halaye iri ɗaya da tarihin juyin halitta.