English: Swamp stonecrop; Australian wamp stonecrop; New zealand pygmyweed.
Dutch: Watercrassula; Waternaaldkruid.
Synonym: Bulliardia recurva, Tillaea helmsii; Crasula recurva.
BotanyHerb; aquatic to semi aquatic.
Stems: round; floating or creeping.
Roots: at nodes.
Leaves: opposite, narrow; 3 cm long.
Flowers: small; white; petals 4; on long stalks; blooming in summer; in upper leaf axils.