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Cruciferous weeds are common throughout the agricultural areas of Western Australia. They include wild turnip, wild mustard, wild radish, charlock and raphistrum weed or short fruited turnip.
Another one—tentatively named smooth-stemmed turnip—has recently been sighted. Its exact weed potential will not be known for some years, but it is likely to spread through the south coastal districts where the climate and sandy surfaced soils favour its growth.
Quinlivan, B J. and Devitt, A. C.
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 13
, Article 7.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol13/iss3/7