Highways and Roadsides...
Many weeds grow alongside roads. Vehicles and equipment can transport
weed seeds to new locations. From roadsides weeds can quickly spread to
neighboring areas. Weeds can even break the asphalt or concrete that
roads are made from.
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Verbena in a roadside drainage
ditch
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Russian Thistle along a roadside
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Tree-of-Heaven along railroad
tracks
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