Murray C. came ,according to his 8mm films, from NZ to Australia, by ship. In Oz, he soon became involved with the fledgeling sport of 'parachuting'. The term of 'sky-diving' came later as techniques and equipment were improved. 'Stable' free fall was being developed by these pioneers.
Sadly,like many of our plant pests,this curse of the pastoral industry,was imported as a garden plant close to a century ago. "Just one little plant won't hurt" Next thing it took over hundred of thousands of prime cattle and sheep country.