2014, Day 118 - Target

I wonder why we don't cultivate dandelions.  They grow prolifically and take almost no input but produce nutritious leafy greens quickly and there is no need to plant more since they self-seed.  Is it an issue of output?  These are the questions that keep me up at night...

Canon 1D X, Canon 100/f2.8L IS
100mm, f8, 1/320 sec @ 200 ISO