condition mean min max Sterile Frond 18.13436 4.74795 39.8643 Fertile Frond 18.113016666666667 6.45805 35.9102 Young Stem with Root 34.7776 14.6193 71.4664 Mature Stem with Root 20.294596666666667 6.53179 44.1809 Root 9.94914 3.41792 15.4999