condition mean min max Sterile Frond 2.204497 0.0 6.26699 Fertile Frond 1.9186733333333335 0.0 5.75602 Young Stem with Root 1.760828 0.0 5.13183 Mature Stem with Root 2.61957 0.0 7.85871 Root 1.1133986666666666 0.0 3.08274