Criteria List of selected criteria Plants satisfying criteria
  Seedhead / Flower    panicle
    spike
    raceme

  Vernation TypeClick to View Movie    folded
    rolled

  Ligule Type    absent
    fringe of hairs
    membranous

  Growth Season / Life Cycle    warm season turf
    cool season turf
    summer annual weed
    winter annual weed
    perennial weed

  Auricle Type    absent
    claw-like
    rudimentary

  Leaf Blade Tip Shape    boat shaped
    blunt
    sharp-pointed

  Leaf Blade Width    narrow, less than 0.1 in
    medium, 0.1 - 0.2 in
    broad, greater than 0.2 in

  Stolon PresenceClick to View Movie    absent
    present

  Rhizome PresenceClick to View Movie    absent
    present

  Collar Type    continuous
    divided

  Sheath Margin    closed
    open
    split with overlapping margins

  Sheath Type    flattened
    round

Broadleaf Weed Id Instructions Button Broadleaf Weed Id Broadleaf Diagram Button Broadleaf Weed Id References Button Broadleaf Weed Id Credits Button
Figure 1: Grass Plant Identification Image