Author 'Boucher Marc dit de Meilh' (Id 217637 ) : Yellow Iris or Iris swamp Iris (Iris pseudacorus) that are found, such as this one, at the edge of the ditches, but on the edge of a pond or pond. This plant is found mostly in wetlands. This yellow Iris was photographed at the edge of the pond's ecological village of Great tits in the department of Isère. Ph : Marc de Meilhan.