Links
[1] http://www.agric.wa.gov.au/iaquarantine/
[2] http://www.slp.wa.gov.au/legislation/statutes.nsf/main_mrtitle_2735_homepage.html
[3] https://www.agric.wa.gov.au/form/biosecurity-contact-details
[4] https://www.agric.wa.gov.au/organisms?search_string=%2A&classification=6
[5] https://www.agric.wa.gov.au/organisms?search_string=Magnoliophyta
[6] https://www.agric.wa.gov.au/organisms?search_string=Magnoliopsida
[7] https://www.agric.wa.gov.au/organisms?search_string=Asterales
[8] https://www.agric.wa.gov.au/organisms?search_string=Asteraceae
[9] https://www.agric.wa.gov.au/organisms?search_string=Silybum
[10] https://www.agric.wa.gov.au/organisms?search_string=marianum
[11] https://www.agric.wa.gov.au/n/918
[12] https://www.agric.wa.gov.au/organisms?amp%3Bamp%3Bcontrol=NA&amp%3Bamp%3Bregion=134&amp%3Border-by=asc&amp%3Bpage=4&amp%3Bper-page=20&amp%3Bsort-by=taxon&control=NA&order-by=asc&page=1&per-page=20&region=19%2C112%2C133&search_string=%2A&sort-by=taxon
[13] https://www.agric.wa.gov.au/biosecurity-biosecurity-quarantinebiosecurity-governance