Water purslane : See under Purslane.

Example:


Taxonomy
Purslane, Ludwigia palustris, Flowers, Nearctica, Eastern Wildflowers, Onagraceae, Line Drawing, petals, leaf axils, Stem, aquatic plant, species, green flowers, G. C, Oeder, Flora Danica, Britton, A. Brown.

Defination from the web:
Water Purslane (Ludwigia palustris) Color Drawing: G.C. Oeder et al., 1761-1874. Flora Danica. Line Drawing: Britton, N.L., and A. Brown. 1913. ... Habitat: Water Purslane is an aquatic plant of shores or other forms of shallow water. Flowering period: June to September. ...