Still superficially appears more *Dianella longifolia* like in these three photographs IMHO.
Thanks for the fine, clear flower photograph. It shows many flower features, including the 3 outer tepals have 5 veins .
Please learn more here : • Flora of NSW online PlantNet : https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Dianella • Flora of Vic. online VicFlora : https://vicflora.rbg.vic.gov.au/flora/key/2095 .
Now you have a clear flower photograph, we need more botanical key information about the leaves' sheaths (at the base of the leaves where they sheath together) either your first hand observations recorded in written notes here or again careful photographs of this time the base of the plant(s) clearly showing the leaves' sheathing arrangement ; – each leaf sheath more than half closed (occluded) or occluded (closed) for less than half the sheath's length, sometimes does and sometimes does not (conduplicate) enclose the leaves' sheaths to the inside of it. More information to learn in the Flora of NSW online PlantNet .
Yeah, in short words : *Dianella longifolia* . At this point the key in the Flora of NSW online PlantNet runs out of distinctive features and the Flora of Vic online VicFlora has more distinguishing features : https://vicflora.rbg.vic.gov.au/flora/key/2095 .