I live in Queensland and find lots of the plants shown in the photo springing up like weeds. I curious to know what they are and where do they come from? Harro
Certified GKH Gardening Expert
I am not familiar with the weeds in your country, but with a little digging around I did find out exactly what that is. It is creeping phyllanthus. A common pest weed.
This website will give you more information: https://weeds.brisbane.qld.gov.au/weeds/creeping-phyllanthus