condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0031273499999999997 0.0 0.00938205 Mature Stem with Root 0.1876504 0.0122382 0.305954 Root 4.066362933333333 0.0352528 11.8874