plant or weed? anyone know what kind of plant this is?  

unidentified plant in walls mississippi

more photos of this plant below.. tallest one so far is about 18 inches
plant or weed in walls   strange plant or is it a weed growing in garden in walls mississippi

all 4 of these pictures are the same plant different angles

Is it a Weed?

  

Have many of these plants coming up...what are they?

Unidentified Plants in Walls, Mississippi
Below Unknow Plant 2 spots on the one leaf that is unfolding impatience blooming next to this plant   Below Unknown Plant 3
has thorns
  weed or planned plant on pinkgiraffe.com

More plant photos some unidentified