I have these growing in my backyard and have tried to find what they are online but unsuccessful. My yard is near some wetlands/wooded area and I live in Northeast Massachusetts. If anyone has any idea please let me know, thanks
1) The first 5 pictures are the same plant. It's has a smooth, hollow stem, with red root area. It grows everywhere in my backyard, and it's very easy to pull out of the ground (the roots come easily up)
2) #6-8 are the same weed
3) #9-12 are the same. They are now growing 4-5 feet tall.
