Table 1. Priority Pest Plants in Young Shire, July 2004 to June 2008
Common name Serrated Tussock St Johns Wort Scotch Thistle Sweet Briar Blackberry
Botanical name Nassella trichotoma Hypercum perforatum Ononpordum acantium Rosa rubiginosa Rubus fruticosus
Control category * (see description below) W3 W3 W3 W2 W2
Nature of impact/threat Pasture invasive Pasture invasive Pasture invasive Pasture invasive Pasture invasive/harbors vermin
Key communities/habitat(s) affected Grazing land Grazing land & roadsides Grazing land Grazing land Grazing land
Describe where the pest plant(s) is located within your Shire. If available please provide the Bounding geographic coordinates (in AMG coordinates, with the relevant zone identified). Railway Corridor Unsupered & ungrazed land, roadsides & reserves Fertile grazing/cropping land Hillier high country Hilly country and along waterways
Area(ha) with high density infestation (75% - 100% cover) - core area 0 50 1000 0 100
Area (ha) with medium density infestation (20% - 74% cover) - marginal area 10 1000 10000 1000 2000
Area (ha) with low density infestation (1% - 19% cover) - rare and isolated 10 2050 14000 1600 5100
Total area (ha) affected unknown unknown unknown unknown unknown

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