Sagittaria australis graminea lancifolia sagittifolia Salvinia cuculata minima Samolus ebracteatus floribundus repens sp Guangxi valerandi Water Rose Saururaceae Anemopsis Gymnotheca Houttuynia Saururus Schismatoglottis prietoi roseospatha Schoenoplectiella lateriflora Scrophulariaceae Sesbania

Shinnersia rivularis "Mexican Oak Leaf". In many ways it's the "Water Sprite" of the Americas. You'd swear it is the same thing but growing as a stem plant. Sparganium eurycarpum erectum Spirodela polyrhiza Staurogyne repens zeylanica Stratiotes Strobilanthes reptan Subularia Syngonanthus cf inundatus lagopodioides sp la Lindosa sp meta sp uaupes sp vichada It was introduced first as Tonina sp. "Manaus" (via Japan?), later Cavan Allen informed that it's not a Tonina but a Syngonanthus. According to Christel Kasselmann it's likely S. inundatus, therefore it's written with cf. The only known species of the genus Tonina is T. fluviatilis.