Polypogon laevigata (Grote, 1872)
August 1, 2004 - Chemin du lac Croche E. - Lac Croche - Saint Donat - Lanaudière - Québec - Canada © Frédéric Vivien
Also known as Zanclognatha laevigata. This identification may be questioned. However, Polypogon laevigata is known to be highly variable (and this photograph is quite bad).