INTRODUCTION TO RELATIONSHIPS.
The various links given will allow you to view related species quickly. Two options are provided - the recent work of Robert Dressler (1993) or that or Dariusz Szlachetko (1995).
The highlighted genus links in the subsequent lists go to the relevant page for each genus, shown in the 'Genus' frame.
The family Orchidaceae has some 30 000 species, divided by taxonomists into a number of subfamilies and beneath that, tribes. Given on the left is a synopsis of the family by the relevant author, with links to more information.