Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
         Superphylum Cycadophytanae Doweld (2001)
           Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
             Subphylum Magnoliophytina Reveal (1996)
               Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
                 Subclass Liliidae J.H.Schaffn. (1911) see Order Liliales Perleb (1826)
                   Superorder Orchidanae Doweld (2001) [monotypic]
                     Order Orchidales Raf. (1815) see Order Asparagales Link (1829)
                       Family Cypripediaceae Lindl. (1833) see Subfamily Cypripedioideae