Trentepohlia is an example of a common green alga genus worldwide that can grow on its own or be lichenised.
tɹˌɛntɪpˈoʊliə ɪz ɐn ɛɡzˈæmpəl əvə kˈɑːmən ɡɹˈiːn ˈælɡə dʒˈɛnəs wˈɜːldwaɪd ðæt kæn ɡɹˈoʊ ˌɔn ɪts ˈoʊn ɔːɹ biː lˈɪtʃənˌaɪzd.