Okay the first plant is also a seedling which popped up in my garden. It has very small spikey like leaves.
Could be a native...
Plant number two is a pest shoot that keeps coming up from an old stump that was removed but some of the roots, which are huge still remain. Have tried everything to get rid of it... It has vicious spikes on its stem, red in colour.
The third one also a seedling popped up have dozens of them coming up all over the place.. Have an idea what it is from the bush plant which grows near by in the bush the birds love it..Coprosma repens maybe.. little red berries and very shiny glossy leaves.
Have checked your name Viburnum Valley and yes that it is and it is a real pest. Coming up all on the road the frontal bush area. Council spray regularly but to no avail it is a very tenacious plant. Thank you for your advice..
Number 1 is suffering from too much camera shake to tell and it's a bit young. Looks like a may well be some type of podocarp.
Number 2, provided it is deciduous, looks like Gleditisia, probably triacanthos. If it is evergreen it could be a Zanthoxylum.
Number 3 is a coprosma. It could be Coprosma repens or Coprosma lucida but I'm inclined more towards thinking that it's a natural hybrid between Coprosma repens and Coprosma robusta. It has some of the glossy look of repens with the tapering tips of robusta and that's usually what you get when they cross.
Hortiphoto, number two is deciduous and has been identified as Gleditisia triacanthos. I reckon number three is coprosma something...we have several varieties of the coprosma growing around the bush area so cross pollination very likely. Sorry about the 1st pic being blurry I think it is the podocarpus, several of those growing in close proximity as well... I hope to make it into a bonsai...thank you for your input... very much appreciated..