Describe the invasion of wild parsnip, including the harm it causes.

Answer:

Wild parsnip is an invasive species originally from Europe and Asia that has successfully spread throughout the entire state of Wisconsin. It reproduces very rapidly, which helps it take over native habitats. The plant is hazardous to humans because its sap contains chemicals that can cause severe skin burns upon exposure to sunlight. Management of the plant includes removing it at the root or using a powered brush cutter for larger populations.