Hairs at the tips of the papillae are fused at their tips.
Salvinia auriculata Aubl. is doubtfully distinct from this species although both names are encountered.
10 species widely distributed but with 7 species in the Americas.
Source: (1995). Salviniaceae. In: . Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.
