Invasive Species in Ottawa

There are some plants and insects (and even trees, bushes and probably animals) that are thriving in Ottawa but that are not native to this region, and so have no natural predators. In Morrison Park, and the St Paul High School field, I have seen:

• Garlic Mustard
• Emerald Ash Borer and dead ash trees

Not quite so close to our school, but still within the City of Ottawa, I have seen many instances of wild parsnip, the sap of which can cause very severe blisters and burns.

• Wild Parsnip - safety and control

What can we find growing in Morrison Park this year?