condition mean min max Sterile Frond 4.864253333333333 1.81945 10.3478 Fertile Frond 8.349503333333333 2.05572 14.7374 Young Stem with Root 66.2285 22.6509 143.192 Mature Stem with Root 203.25137999999998 5.45744 561.732 Root 418.7556 18.8818 1103.25