003250000a2200097000450024501280000004100130012870000190014170000200016010000200018077300270020010aGenus Psychopsissfour species in the Oncidium Alliance earn the common name butterfly orchid because of their flower shape0 aInglés1 aBaker, Charles1 aBaker, Margaret1 aBraem, Guido J.1 tOrchidsq606-619d1998