Key to the Varieties of D. remotiflora
1. Upper scape-bracts suborbicular or ovate, acuminate or apiculate.
2. Sepals cucullate, becoming split and retuse.
3. Petals 17-23 mm long. var remotiflora.
3. Petals not over 10 mm long. var tandilensis.
2. Sepals nearly or quite straight, 6-8 mm long; petals 11-17 mm long. var montevidensis.
1. Upper scape-bracts triangular-ovate, attenuate. var angustior. —SeeSmith & Downs 1974