Cardaria draba, Western Australia
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HOARY CRESS is undoubtedly one of the worst weeds introduced into Australia. It is a vigorous deep rooted perennial which competes strongly with crop plants and seriously decreases yields.
The importance of three recent discoveries of this weed in Western Australia therefore need hardly be stressed.
G. R. W. Meadly, Offlcer-in-Charge of the Weeds and Seeds Branch, and R. D. Royce, Offlcer-in- Charge of the Botany Branch, report on two recently found infestations of hoary cross in the Great Southern, and one at Jerramongup.
An intensive eradication programme is under way.
Meadly, G R W and Royce, R. D.
"New danger from Hoary cress,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 3:
2, Article 15.
Available at: https://library.dpird.wa.gov.au/journal_agriculture4/vol3/iss2/15