Volunteer
A plant coming up in your yard (or anywhere) is often called a “volunteer”. This one is a beauty (to me anyway) with tiny 1/4 inch translucent cream colored flowers that appear along the stems at every leaf location. I put down topsoil during my landscaping project and hoped I would have some interesting plants pop up so I was happy to see it. I have no idea what it is but as soon as I find out, I will edit this post.
UPDATE: Unfortunately, it’s Russian Thistle. See comment below.
