Diuris behrii Schltdl. 1847
Photo courtesy of Colin Rowan and his Retired Aussie's Website

Common Name Behr's Golden Cowslip - The Orange Moths
Flower Size 1.2 to 1.6" [3 to 4 cm]
Found in New South Wales, central and western Victoria and South Australia at elevations of 200 to 800 meters growing in grassland, grassy-woodland and Box Ironbark forests as a medium sized, cool to cold growing terrestrial that blooms in the spring in Australia on an erect, 8 to 20" [20 to 50 cm] long, 1 to 4 flowered inflorescence carrying semi-nodding flowers.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; Native Orchids of Australia Jones 2006