Common name: Prostrate Knotweed
Latin name: Polygonum aviculare L.
Family: Polygonaceae
Life Cycle: Annual or perennial
Type: Broadleaf
Description: Annual or weak perennial with a prostrate or trailing growth habit. Linear, elliptic leaves alternately arranged on the stem. Small, inconspicuous, white flowers present in leaf axils.
Click on additional photos to enlarge: