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In 2022, the department is conducting more than 300 research trials across the state from Kununurra in the north to Esperance in the south.
Introducing new plants to an area can have positive and negative effects on the environment, economy and community.
Tar vine (Boerhavia coccinea) is found throughout Australia, with the exception of Tasmania.
Glaucous star thistle (Carthamus leucocaulos) is an uncommon weed in Western Australia (WA). This article describes the nature of the plant.
Chinee apple, Indian jujube (Ziziphus mauritiana) is a declared pest in Western Australia (WA).
Brooms, including scotch broom and needle leaved broom (Cytisus scoparius, Genista linifolia, Genista monspessulana) that have been designated as Weeds of National Signif