condition mean min max Sterile Frond 2.7642433333333334 0.0 6.59129 Fertile Frond 5.9590700000000005 3.81029 9.04912 Young Stem with Root 2.903725 0.444105 6.19792 Mature Stem with Root 4.792603333333333 2.76918 8.55429 Root 1.4351500000000001 0.0 4.30545