condition mean min max Sterile Frond 2.141927 0.426641 3.8981 Fertile Frond 3.646776 0.867978 5.18821 Young Stem with Root 4.505816666666666 1.75855 9.03066 Mature Stem with Root 6.29319 1.88651 13.82 Root 2.6988433333333335 1.15873 5.00682