Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
     Subclass Liliidae J.H.Schaffn. (1911) see Order Liliales Perleb (1826)
       Superorder Lilianae Takht. (1967) - monocots
         Order Orchidales Raf. (1815) see Order Asparagales Link (1829)
           Family Orchidaceae Juss. (1789), nom. cons. - orchid family
             Subfamily Epidendroideae
               Tribe Arethuseae Lindl. (1826)
                 1 Genus Arethusa L. (1753)
                 2 Genus Sobralia Ruiz & Pav. (1794)
                 3 Genus Elleanthus C.Presl (1827)
                 4 Genus Phaius Loureiro (1790)
                 5 Genus Calanthe R.Br. ex Ker-Gawler (1821), nom. cons.
                 6 Genus Bletia Ruiz & Pav. (1794)