Type Species. Salvinia natans (Linnaeus) Allioni, of Europe.
With characters ofthe family. Chromosome number: n = 9.
A widely distributed genus of about ten species
best represented in tropical America and Africa.
Two species have been introduced into Puerto
Rico as cultivated plants; both have been reported
as escaped at a few localities. The generic
name commemorates Antonio M . Salvini (1653-
1729), an Italian professor of Greek.
Special Literature. Tryon, R. M . & A. F. Tryon.
1982. Fems and allied plants, pp. 771-776, 12 figs.