condition mean min max Sterile Frond 5.46359 0.0 10.0679 Fertile Frond 0.9228299999999999 0.0 2.76849 Young Stem with Root 0.268821 0.0 0.430502 Mature Stem with Root 2.925656666666667 0.0 8.77697 Root 1.2411366666666668 0.0 2.50627