What is the name of this plant/weed?
I can't identify this plant in my backyard... It may be a weed, I am not sure. The leaves have a straight edge. It has a small, white flower, The flowers are at the axial of the leaf. THe stems are alternate. Please advise.
This looks like beggarslice or stickseed (Hackelia virginiana), which is a native plant in Maryland. Compare the flowers of your plant to those in the photos at the following two links.