Cymbidium madidum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Cymbidieae, subtribe: Cymbidiinae,  
Genus Cymbidium   section: Austrocymbidium 
Infraspecific taxa recognized within Cymbidium madidum: infraspecific taxa
This species is found in Queensland to N. New South Wales.