Laserfiche WebLink
Page 37 <br />1 Ohio buckeye <br />1 American hornbeam <br />1 Northern hackberry <br />1 Walnut spp <br />1 Pomegranate <br />1 Beech spp <br />1 Sour Cherry <br />1 Purple blow maple <br />1 Flowering dogwood <br />1 Rose-of-sharon <br />1 European mountain <br />ash <br />1 Oriental arborvitae <br />Sp <br />p <br />. <br /> <br />R <br />i <br />s <br />k <br />Ri <br />s <br />k <br />We <br />i <br />g <br />h <br />t <br />Sp <br />e <br />c <br />i <br />e <br />s <br />Na <br />m <br />e <br />PO <br />C <br />R <br />D <br />PS <br />B <br />PS <br />H <br />B <br />RP <br />S <br />SB <br />SB <br />W <br />SF <br />M <br />SL <br />F <br />SO <br />D <br />SP <br />B <br />SW <br />TC <br />D <br />WB <br />B <br />WB <br />B <br />U <br />WF <br />N <br />P <br />M <br />WM <br />WP <br />B <br />WP <br />B <br />R <br />WS <br />B <br />Note: <br />Species that are not listed in the matrix are not known to be hosts to any of the pests analyzed. <br />Species Risk: <br />•Red indicates that tree species is at risk to at least one pest within county <br />•Orange indicates that tree species has no risk to pests in county, but has a risk to at least one pest within 250 <br />miles from the county <br />•Yellow indicates that tree species has no risk to pests within 250 miles of county, but has a risk to at least one <br />pest that is 250 and 750 miles from the county <br />•Green indicates that tree species has no risk to pests within 750 miles of county, but has a risk to at least one <br />pest that is greater than 750 miles from the county <br />Risk Weight: <br />Numerical scoring system based on sum of points assigned to pest risks for species. Each pest that could attack tree <br />species is scored as 4 points if red, 3 points if orange, 2 points if yellow and 1 point if green. <br />Pest Color Codes: <br />•Red indicates pest is within Alameda county <br />•Red indicates pest is within 250 miles county <br />•Yellow indicates pest is within 750 miles of Alameda county <br />•Green indicates pest is outside of these ranges