Best way to get rid of this grass.
Egyptian grass, botanical name Dactyloctenium aegyptum, is a very difficult weed to get rid of. Make sure it cannot spread seeds by mowing frequently and by hand-removing each seedhead you see emerging along with the plant it's attached to. Here's more:
I found this growing in the grass alongside our local Dollar General Store. The plant itself looks like grass and has a single stem coming up from the center with a starfish shaped bloom. Can anyone tell me what this is? It's very unique. I've never seen one.
This is called crowsfoot grass! It becomes highly invasive in most places. It is neat looking, but if left unchecked will spread everywhere. It tends to creep into areas where it isn't wanted, and can be difficult to control.
This article will help you, should you choose to rid your area of these: https://www.gardeningknowhow.com/plant-problems/weeds/control-crowsfoot-grass.htm
What would be a good selective weed spray to rid my lawn of crows foot, last year I planted patches of sir Walter amongst blue couch, I have tried mowing before seeding and hand pulling, recently this weed is going crazy with all the rain we have had in Brisbane what can I do? Regards Dennis.
There are so many things that you can do in this regard. Check with the laws regarding sprays, and what you can and cannot use. This collection of articles will give you some ideas: https://www.gardeningknowhow.com/plant-problems/weeds/