Unknown wild flower – Garlic mustard

Can you tell me what the name of this wild flower is? It was seen in only one spot in the Charles Sauriol conservation area (along the Don River just south of Lawrence ). Each single-stemmed plant with heart-shaped leaves…

Japanese knotweed

I have a huge Japanese knotweed in my side yard. It is popping up all over. How do I get rid of it?…