Checking this sighting by again working this new *Juncus ...* sighting through this Flora of NSW online PlantNet botanical key to *Juncus* spp. : https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Juncus . Appears on first look to ID to *Juncus planifolius* .
Edit: Confirmed *Juncus planifolius* .
References (in brief, without full citations):
Flora of NSW online PlantNet : • *Juncus* genus page incluging botanical key to *Juncus* spp. in NSW : https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Juncus • *Juncus planifolius* : https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Juncus~planifolius
