This little seed head is the only thing which saves this plant from being sprayed. It is a Love Grass - an Aussie relative of a horrible invasive South African weed which is nearly impossible to control. This little pink head of seeds is one of the main, easily seen differences between the two.
@casablanca Lol - that's not what I think when I'm doing battle with it - more along the lines of "die you bastard!!" Not said out loud of course - that would be very unladylike..... :)