condition mean min max Sterile Frond 22.73903333333333 20.6353 25.3648 Fertile Frond 12.10586 7.14028 15.459 Young Stem with Root 6.22868 2.57769 9.14597 Mature Stem with Root 14.205423333333334 4.69577 21.4983 Root 5.82986 4.36821 8.22881