Taxonomy
This plant belongs to a problematic group of orchids. D fuchsii is very variable in flower colour and flower morphology, plant height and the scent of flowers. This is due to the ease of introgression (the transfer of genetic material from one (sympatric species to another, only partially isolated from the first, through interspecific hybridization and repeated backcrossing to a parental species), the ability of these plants to adapt quickly and easily to habitat and different substrates and possibly other causes. This situation has resulted in a multitude of forma defined for this plant. The World Checklist of Kew Gardens lists over 25 varieties of which 7 are recognized as valid
Read more about this topic: Common Spotted Orchid