Asparagus scandens (weed)
From Pestinfo-Wiki
Asparagus scandens (weed) Thunb. - (climbing asparagus)
This plant is native to southern Africa and has become invasive in several countries.
For details see the respective page in Wikipedia.
Publications covering Asparagus scandens (weed)
Austral Ecology (2000) 25, 533-538
Susan M. Timmins and Virginia Reid (2000)
Climbing asparagus, Asparagus scandens Thunb.: a South African in your forest patch