Links
[1] https://www.agric.wa.gov.au/bam/biosecurity-and-agriculture-management-western-australia
[2] https://www.agric.wa.gov.au/organisms
[3] https://www.agric.wa.gov.au/organisms/export?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[4] https://www.agric.wa.gov.au/organisms/74988?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[5] https://www.agric.wa.gov.au/organisms/80019?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[6] https://www.agric.wa.gov.au/organisms/79377?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[7] https://www.agric.wa.gov.au/organisms/81258?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[8] https://www.agric.wa.gov.au/organisms/95668?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[9] https://www.agric.wa.gov.au/organisms/96935?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[10] https://www.agric.wa.gov.au/organisms/93508?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[11] https://www.agric.wa.gov.au/organisms/95898?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[12] https://www.agric.wa.gov.au/organisms/103285?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[13] https://www.agric.wa.gov.au/organisms/125665?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[14] https://www.agric.wa.gov.au/organisms/111115?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[15] https://www.agric.wa.gov.au/organisms/108856?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[16] https://www.agric.wa.gov.au/organisms/122545?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[17] https://www.agric.wa.gov.au/organisms/114069?search_string=helmsii&per-page=20&sort-by=taxon&order-by=asc
[18] https://www.agric.wa.gov.au/organisms?search_string=helmsii&ref_code_name=PER
[19] https://www.agric.wa.gov.au/organisms?search_string=helmsii&classification=6
[20] https://www.agric.wa.gov.au/organisms?search_string=helmsii&rank=species
[21] https://www.agric.wa.gov.au/organisms?search_string=helmsii&control=NA
[22] https://www.agric.wa.gov.au/organisms?search_string=helmsii&presence=present
[23] https://www.agric.wa.gov.au/organisms?search_string=helmsii&presence=unknown
[24] http://www.legislation.wa.gov.au/legislation/statutes.nsf/main_mrtitle_13043_homepage.html