Dryadella lilliputiana - from Brazil (Rio de Janeiro to Paraná) and Bolivia at altitudes of 700-1700m.
8-10mm flowers on a 2-2.5cm tall plant.
Dryadella zebrina - This species is found in damp forests in Brazil, Peru and Bolivia at altitudes of 1500-3400m.
The flower size is 12-15mm and the plant grows to about 4-5cm.
Dryadella cristata - This miniature species is only known from a few locations in southern Colombia at elevations around 1500-2000m. Plant size 3cm. Flower size 8-10mm.