Only saw this growing on my property yesterday. I assume other Aussies would know what it is. I found out but will let you know after I give you a chance to let everyone else know.

There are two pictures. One a bunch on a tree and one a close up of a twig on my table

Compliments of Wikipedia
https://en.wikipedia.org/wiki/Lysiana_exocarpi
Lysiana exocarpi, commonly known as harlequin mistletoe, is a species of hemiparasitic shrub, endemic to Australia. It is in the Gondwanan family Loranthaceae and is probably the most derived genus of that family with 12 pairs of chromosomes.[3] The Loranthaceae is the most diverse family in the mistletoe group with over 900 species worldwide and including the best known species in Australia.[4] Mistletoes are notable for their relationships with other species. In an early reference to the group in Australia Allan Cunningham explorer and first Director[5] of the Royal Botanic Gardens, Sydney, wrote in 1817: "The Bastard Box[note 1] is frequently much encumbered with the twining adhering Loranthus aurantiacus[6] (box mistletoe) which 'Scorning the soil, aloft she springs, Shakes her red plumes and claps her golden wings'."[7]

Does that mean if you hang it under the doorway during Christmas and two folk walk in together under it, you can kiss the other person then? lol

Don't know. Have to get it up there first
Until I found this I didn't know there were so many species of Mistletoe. I thought it was just a European thing

Send some to Lyle so he can experiment at Christmas time.

If it's out next Christmas I might make a wreath with it ??

they have a parasitic Christmas thing in WA I have heard but I am not sure what it is.