condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.3252836666666665 0.0 6.56603 Young Stem with Root 4.225869333333333 0.380918 10.4615 Mature Stem with Root 0.227392 0.0 0.682176 Root 0.7237169999999999 0.0 1.80019