Our wonderfull government has joined forces to deal with the problem of invasice species. Welcome to InvasiveSpecies.gov! What I propose is to photograph this plant on every property these government agencies own. This will embarass them into doing something about it. Don't forget all the local department of agriculture even if the plant is not banned locally. The presence of this plant on any government property is an ADA violation since it is capable of puncturing wheel chair wheels. Some of my own can be found on flickr by searching for the plant or bicyclehazard.
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