KEY TO THE SPECIES

1	Indusium scaly, attached at the narrow, cordate base only (sometimes the base rather broad), semicircular, 1-1.5 by 1-2 mm Leucostegia immersa
1'	Indusium attached at the base and part of the sides, oblong, 1.2-1.5 by 1 mm. Leucostegia pallida