Definition of "salvinia" []

• A genus of heterosporous vascular cryptogamous plants, typical of the order Salviniaceæ. (noun)

The Century Dictionary (Public Domain)

• "The spread of invasive alien species is a global phenomenon that is increasing with the spread of aquaculture, shipping, and global commerce; examples include the pan-tropical weeds salvinia and water hyacinth that originated in South America but that are now widely distributed across the tropics."
• "While this is going on, it shows oil palm and a lot of wildlife and plants - most of which are not found in Malaysia an iguana, hummingbirds, salvinia water plant - I'm not even sure that the particular leaf-cutting ant pictured is one found in Malaysia, although I could be wrong about that."
• "At this funding level, Interior will participate in the control and management of tamarisk and giant salvinia in the southwest; conduct ballast water research; control and eradicate nutria in the Chesapeake Bay and in Louisiana; plan early detection and rapid response to eradicate outbreaks of sudden oak death in eastern hardwood forests of the central Appalachian Mountains; and develop a marine invasive species early detection warning system."