Native to the western Mediterranean region. A declared noxious weed in Victoria, often forming pure swards in moist, shaded sites in bushland, gardens and roadsides
Source: https://vicflora.rbg.vic.gov.au/flora/taxon/bae56750-c47a-4d1a-9f4b-e575c9bb7ee8
Allium triquetrum is listed in the following regions:
Canberra & Southern Tablelands | Albury, Wodonga | Greater Melbourne | Tasmania
Maps
Clyde Cameron Reserve WodongaPlaces
Wodonga, VIC