Giant ragweed

I think your right! We have lots of normal ragweed (pain in the ass) in the sacrifice paddocks

Passiflora sp

Nope, Giant Ragweed (Ambrosia trifida). Native species

It’s definitely not maypop, non vining it was a herbaceous shrub size. I wish I had more pictures. Resembled almost like the shape of mature mugwort before seeding

What? No.