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 |