Synonyms for Subclass Commelinidae (same or very similar meaning)
WordNet sense 1 (one of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of mostly terrestrial herbs especially of moist places including: Cyperaceae; Gramineae; Bromeliaceae; and Zingiberaceae):
CommelinidaeFrom the ODE community, based on WordNetadd/edit