Synonyms: Isnardia diffusa; Jussiaea berteriana; Jussiaea californica; Jussiaea diffusa californica (homotypic); Jussiaea fluitans (heterotypic); Jussiaea gomezii; Jussiaea inclinata (heterotypic); Jussiaea mauritiana; Jussiaea mendocinensis (homotypic); Jussiaea oblonga (homotypic); Jussiaea patibilcensis; Jussiaea peploides (homotypic); Jussiaea polygonifolia (homotypic); Jussiaea polygonoides; Jussiaea pumila (homotypic); Jussiaea ramulosa; Jussiaea repens californica; Jussiaea repens peploides; Jussiaea repens var. minor; Jussiaea repens var. ramulosa; Ludwigia adscendens var. peploides (homotypic); Ludwigia diffusa (heterotypic); Ludwigia ramulosa